./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 150a66a836464f467fb90ec51b7c24919c6718d6acc15c3a2ae1cbeb65f65711 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:31:12,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:31:12,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:31:12,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:31:12,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:31:12,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:31:12,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:31:12,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:31:12,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:31:12,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:31:12,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:31:12,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:31:12,308 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:31:12,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:31:12,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:31:12,310 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:31:12,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:31:12,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:31:12,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:31:12,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:31:12,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:31:12,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:31:12,314 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:31:12,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:31:12,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:31:12,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:31:12,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:31:12,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:31:12,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:31:12,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:31:12,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:12,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:31:12,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:31:12,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:31:12,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:31:12,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:31:12,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:31:12,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:31:12,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:31:12,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:31:12,322 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:31:12,323 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_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 150a66a836464f467fb90ec51b7c24919c6718d6acc15c3a2ae1cbeb65f65711 [2023-11-06 22:31:12,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:31:12,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:31:12,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:31:12,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:31:12,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:31:12,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i [2023-11-06 22:31:16,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:31:16,333 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:31:16,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/sv-benchmarks/c/loop-zilu/benchmark16_conjunctive.i [2023-11-06 22:31:16,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/data/188aff10d/812ae5b9a94c445484b7de07ce231504/FLAG7dcee5b30 [2023-11-06 22:31:16,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/data/188aff10d/812ae5b9a94c445484b7de07ce231504 [2023-11-06 22:31:16,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:31:16,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:31:16,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:16,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:31:16,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:31:16,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3761befc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16, skipping insertion in model container [2023-11-06 22:31:16,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:31:16,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:16,646 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:31:16,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:16,677 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:31:16,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16 WrapperNode [2023-11-06 22:31:16,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:16,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:16,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:31:16,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:31:16,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,713 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-06 22:31:16,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:16,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:31:16,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:31:16,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:31:16,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:31:16,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:31:16,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:31:16,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:31:16,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (1/1) ... [2023-11-06 22:31:16,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:16,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:16,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:16,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:31:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:31:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:31:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:31:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:31:16,898 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:31:16,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:31:17,051 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:31:17,060 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:31:17,061 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:31:17,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:17 BoogieIcfgContainer [2023-11-06 22:31:17,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:31:17,066 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:31:17,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:31:17,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:31:17,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:16" (1/3) ... [2023-11-06 22:31:17,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41477a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:17, skipping insertion in model container [2023-11-06 22:31:17,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:16" (2/3) ... [2023-11-06 22:31:17,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41477a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:17, skipping insertion in model container [2023-11-06 22:31:17,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:17" (3/3) ... [2023-11-06 22:31:17,074 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark16_conjunctive.i [2023-11-06 22:31:17,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:31:17,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 22:31:17,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:31:17,172 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=LoopsAndPotentialCycles, 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;@148b2018, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:31:17,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:31:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:31:17,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:17,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:31:17,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:17,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:17,190 INFO L85 PathProgramCache]: Analyzing trace with hash 28696326, now seen corresponding path program 1 times [2023-11-06 22:31:17,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:17,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261572605] [2023-11-06 22:31:17,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:17,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:17,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:17,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261572605] [2023-11-06 22:31:17,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261572605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:17,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:17,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:17,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462287189] [2023-11-06 22:31:17,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:17,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:31:17,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:17,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:31:17,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:31:17,371 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2023-11-06 22:31:17,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:17,385 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2023-11-06 22:31:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:31:17,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2023-11-06 22:31:17,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:17,396 INFO L225 Difference]: With dead ends: 46 [2023-11-06 22:31:17,397 INFO L226 Difference]: Without dead ends: 22 [2023-11-06 22:31:17,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:31:17,403 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:17,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:17,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-06 22:31:17,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-06 22:31:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 21 states have internal predecessors, (22), 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) [2023-11-06 22:31:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2023-11-06 22:31:17,435 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 5 [2023-11-06 22:31:17,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:17,435 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2023-11-06 22:31:17,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2023-11-06 22:31:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2023-11-06 22:31:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:31:17,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:17,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:31:17,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:31:17,437 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:17,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:17,438 INFO L85 PathProgramCache]: Analyzing trace with hash 889571337, now seen corresponding path program 1 times [2023-11-06 22:31:17,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:17,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225469473] [2023-11-06 22:31:17,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:17,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:17,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:17,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225469473] [2023-11-06 22:31:17,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225469473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:17,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:17,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406831728] [2023-11-06 22:31:17,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:17,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:31:17,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:17,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:17,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:17,507 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-11-06 22:31:17,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:17,540 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2023-11-06 22:31:17,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:31:17,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2023-11-06 22:31:17,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:17,541 INFO L225 Difference]: With dead ends: 22 [2023-11-06 22:31:17,541 INFO L226 Difference]: Without dead ends: 21 [2023-11-06 22:31:17,542 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 [2023-11-06 22:31:17,543 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 15 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:17,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 11 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:17,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-06 22:31:17,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-06 22:31:17,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5) internal successors, (21), 20 states have internal predecessors, (21), 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) [2023-11-06 22:31:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-11-06 22:31:17,549 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 6 [2023-11-06 22:31:17,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:17,550 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2023-11-06 22:31:17,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-11-06 22:31:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-11-06 22:31:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:31:17,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:17,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:31:17,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:31:17,551 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:17,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:17,552 INFO L85 PathProgramCache]: Analyzing trace with hash 889571286, now seen corresponding path program 1 times [2023-11-06 22:31:17,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:17,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979590120] [2023-11-06 22:31:17,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:17,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:17,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:17,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979590120] [2023-11-06 22:31:17,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979590120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:17,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:17,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:17,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135173527] [2023-11-06 22:31:17,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:17,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:31:17,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:17,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:17,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:17,641 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-11-06 22:31:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:17,718 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2023-11-06 22:31:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:31:17,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2023-11-06 22:31:17,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:17,728 INFO L225 Difference]: With dead ends: 37 [2023-11-06 22:31:17,728 INFO L226 Difference]: Without dead ends: 35 [2023-11-06 22:31:17,729 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 [2023-11-06 22:31:17,730 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:17,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 14 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:31:17,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-06 22:31:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. [2023-11-06 22:31:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.45) internal successors, (29), 26 states have internal predecessors, (29), 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) [2023-11-06 22:31:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2023-11-06 22:31:17,738 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 6 [2023-11-06 22:31:17,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:17,739 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2023-11-06 22:31:17,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2023-11-06 22:31:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-11-06 22:31:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:31:17,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:17,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:17,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:31:17,740 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:17,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:17,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907722, now seen corresponding path program 1 times [2023-11-06 22:31:17,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:17,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256751564] [2023-11-06 22:31:17,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:17,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:17,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:17,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256751564] [2023-11-06 22:31:17,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256751564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:17,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:17,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:17,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363018481] [2023-11-06 22:31:17,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:17,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:31:17,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:17,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:17,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:17,828 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:17,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:17,862 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2023-11-06 22:31:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:31:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-06 22:31:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:17,863 INFO L225 Difference]: With dead ends: 33 [2023-11-06 22:31:17,863 INFO L226 Difference]: Without dead ends: 32 [2023-11-06 22:31:17,864 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 [2023-11-06 22:31:17,866 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:17,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 23 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:17,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-06 22:31:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2023-11-06 22:31:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 states have internal predecessors, (31), 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) [2023-11-06 22:31:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2023-11-06 22:31:17,874 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 7 [2023-11-06 22:31:17,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:17,874 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2023-11-06 22:31:17,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-11-06 22:31:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:31:17,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:17,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:17,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:31:17,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:17,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1806906152, now seen corresponding path program 1 times [2023-11-06 22:31:17,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:17,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132730092] [2023-11-06 22:31:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:17,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:17,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132730092] [2023-11-06 22:31:17,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132730092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:17,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:17,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:17,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446313271] [2023-11-06 22:31:17,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:17,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:31:17,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:17,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:17,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:17,923 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:17,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:17,958 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2023-11-06 22:31:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:31:17,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-06 22:31:17,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:17,960 INFO L225 Difference]: With dead ends: 32 [2023-11-06 22:31:17,960 INFO L226 Difference]: Without dead ends: 25 [2023-11-06 22:31:17,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:17,962 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:17,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:17,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-06 22:31:17,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-06 22:31:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 24 states have internal predecessors, (25), 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) [2023-11-06 22:31:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-11-06 22:31:17,969 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 7 [2023-11-06 22:31:17,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:17,969 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2023-11-06 22:31:17,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-11-06 22:31:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:31:17,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:17,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:17,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:31:17,971 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:17,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:17,971 INFO L85 PathProgramCache]: Analyzing trace with hash 179564587, now seen corresponding path program 1 times [2023-11-06 22:31:17,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:17,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39481131] [2023-11-06 22:31:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:18,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:18,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39481131] [2023-11-06 22:31:18,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39481131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:18,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:18,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:18,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429155759] [2023-11-06 22:31:18,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:18,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:31:18,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:18,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:18,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:18,030 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:18,075 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2023-11-06 22:31:18,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:31:18,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 22:31:18,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:18,077 INFO L225 Difference]: With dead ends: 28 [2023-11-06 22:31:18,077 INFO L226 Difference]: Without dead ends: 27 [2023-11-06 22:31:18,078 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 [2023-11-06 22:31:18,085 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 [2023-11-06 22:31:18,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 26 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:18,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-06 22:31:18,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2023-11-06 22:31:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.368421052631579) internal successors, (26), 25 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2023-11-06 22:31:18,099 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 8 [2023-11-06 22:31:18,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:18,099 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2023-11-06 22:31:18,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2023-11-06 22:31:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 22:31:18,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:18,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:18,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:31:18,101 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:18,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:18,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1271534956, now seen corresponding path program 1 times [2023-11-06 22:31:18,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:18,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156059969] [2023-11-06 22:31:18,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:18,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:18,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:18,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156059969] [2023-11-06 22:31:18,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156059969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:18,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:18,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:31:18,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706889959] [2023-11-06 22:31:18,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:18,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:31:18,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:18,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:31:18,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:31:18,145 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:18,165 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2023-11-06 22:31:18,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:31:18,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-06 22:31:18,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:18,167 INFO L225 Difference]: With dead ends: 26 [2023-11-06 22:31:18,167 INFO L226 Difference]: Without dead ends: 25 [2023-11-06 22:31:18,167 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 [2023-11-06 22:31:18,169 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:18,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 10 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:18,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-06 22:31:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-06 22:31:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 24 states have internal predecessors, (25), 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) [2023-11-06 22:31:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-11-06 22:31:18,175 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 9 [2023-11-06 22:31:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:18,175 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2023-11-06 22:31:18,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-11-06 22:31:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:31:18,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:18,176 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:18,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:31:18,177 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:18,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:18,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1313634707, now seen corresponding path program 1 times [2023-11-06 22:31:18,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:18,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189725038] [2023-11-06 22:31:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:18,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:31:18,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189725038] [2023-11-06 22:31:18,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189725038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:18,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:18,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:31:18,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519068575] [2023-11-06 22:31:18,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:18,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:31:18,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:18,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:31:18,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:31:18,272 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2023-11-06 22:31:18,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:18,302 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2023-11-06 22:31:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:31:18,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) Word has length 12 [2023-11-06 22:31:18,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:18,303 INFO L225 Difference]: With dead ends: 25 [2023-11-06 22:31:18,304 INFO L226 Difference]: Without dead ends: 23 [2023-11-06 22:31:18,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:31:18,305 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:18,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:18,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-06 22:31:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-06 22:31:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 22 states have internal predecessors, (23), 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) [2023-11-06 22:31:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2023-11-06 22:31:18,316 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 12 [2023-11-06 22:31:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:18,317 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2023-11-06 22:31:18,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2023-11-06 22:31:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2023-11-06 22:31:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:31:18,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:18,318 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:18,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:31:18,319 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:18,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:18,320 INFO L85 PathProgramCache]: Analyzing trace with hash -2067968621, now seen corresponding path program 1 times [2023-11-06 22:31:18,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:18,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269452493] [2023-11-06 22:31:18,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:18,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:18,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:18,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269452493] [2023-11-06 22:31:18,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269452493] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:18,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998081921] [2023-11-06 22:31:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:18,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:18,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:18,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:18,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:31:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:18,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:31:18,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:18,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:18,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998081921] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:18,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:18,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-06 22:31:18,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773118339] [2023-11-06 22:31:18,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:18,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:31:18,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:18,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:31:18,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:18,634 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:18,725 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2023-11-06 22:31:18,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:31:18,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-06 22:31:18,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:18,727 INFO L225 Difference]: With dead ends: 64 [2023-11-06 22:31:18,727 INFO L226 Difference]: Without dead ends: 63 [2023-11-06 22:31:18,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:18,728 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 33 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:18,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 42 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:31:18,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-06 22:31:18,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 40. [2023-11-06 22:31:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.25) internal successors, (45), 39 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-11-06 22:31:18,738 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 13 [2023-11-06 22:31:18,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:18,738 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-11-06 22:31:18,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-06 22:31:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:31:18,739 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:18,739 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:18,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:31:18,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:18,941 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:18,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:18,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2067970191, now seen corresponding path program 1 times [2023-11-06 22:31:18,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:18,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611819594] [2023-11-06 22:31:18,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:18,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:31:19,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:19,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611819594] [2023-11-06 22:31:19,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611819594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:19,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:19,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:31:19,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576795350] [2023-11-06 22:31:19,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:19,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:31:19,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:19,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:31:19,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:31:19,017 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:19,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:19,046 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-11-06 22:31:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:31:19,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-06 22:31:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:19,047 INFO L225 Difference]: With dead ends: 40 [2023-11-06 22:31:19,048 INFO L226 Difference]: Without dead ends: 33 [2023-11-06 22:31:19,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:31:19,049 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:19,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-06 22:31:19,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-06 22:31:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2023-11-06 22:31:19,069 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 13 [2023-11-06 22:31:19,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:19,069 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2023-11-06 22:31:19,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2023-11-06 22:31:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:31:19,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:19,070 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:19,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:31:19,071 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:19,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:19,071 INFO L85 PathProgramCache]: Analyzing trace with hash 317482242, now seen corresponding path program 1 times [2023-11-06 22:31:19,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:19,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720433633] [2023-11-06 22:31:19,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:19,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:19,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:19,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720433633] [2023-11-06 22:31:19,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720433633] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:19,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165225534] [2023-11-06 22:31:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:19,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:19,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:19,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:19,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:31:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:19,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:31:19,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:19,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:19,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165225534] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:19,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:19,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-06 22:31:19,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122198147] [2023-11-06 22:31:19,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:19,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:31:19,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:19,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:31:19,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:19,296 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:19,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:19,329 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2023-11-06 22:31:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:31:19,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-06 22:31:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:19,331 INFO L225 Difference]: With dead ends: 35 [2023-11-06 22:31:19,331 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 22:31:19,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:19,333 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:19,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:19,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 22:31:19,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 22:31:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.0625) internal successors, (34), 33 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2023-11-06 22:31:19,344 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 14 [2023-11-06 22:31:19,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:19,345 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2023-11-06 22:31:19,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2023-11-06 22:31:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2023-11-06 22:31:19,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:31:19,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:19,352 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2023-11-06 22:31:19,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:19,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:31:19,559 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:19,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:19,560 INFO L85 PathProgramCache]: Analyzing trace with hash -96785938, now seen corresponding path program 2 times [2023-11-06 22:31:19,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:19,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282871710] [2023-11-06 22:31:19,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:19,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:19,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:19,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282871710] [2023-11-06 22:31:19,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282871710] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:19,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621422791] [2023-11-06 22:31:19,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:31:19,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:19,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:19,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:31:19,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:31:19,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:19,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:31:19,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:19,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:19,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621422791] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:19,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:19,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-11-06 22:31:19,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89007995] [2023-11-06 22:31:19,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:19,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:31:19,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:19,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:31:19,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:31:19,981 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2023-11-06 22:31:20,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:20,043 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2023-11-06 22:31:20,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:31:20,043 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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 31 [2023-11-06 22:31:20,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:20,048 INFO L225 Difference]: With dead ends: 75 [2023-11-06 22:31:20,048 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:31:20,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:31:20,050 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:20,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 58 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:20,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:31:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 69. [2023-11-06 22:31:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 68 states have internal predecessors, (74), 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) [2023-11-06 22:31:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2023-11-06 22:31:20,073 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 31 [2023-11-06 22:31:20,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:20,076 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2023-11-06 22:31:20,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2023-11-06 22:31:20,076 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2023-11-06 22:31:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:31:20,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:20,078 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2023-11-06 22:31:20,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:20,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:20,293 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:20,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:20,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1294603271, now seen corresponding path program 2 times [2023-11-06 22:31:20,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:20,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679889684] [2023-11-06 22:31:20,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:20,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:20,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:20,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679889684] [2023-11-06 22:31:20,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679889684] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:20,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998636273] [2023-11-06 22:31:20,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:31:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:20,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:20,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:31:20,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:31:20,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:20,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:31:20,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:20,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:20,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998636273] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:20,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:20,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-11-06 22:31:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928516644] [2023-11-06 22:31:20,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:20,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:31:20,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:20,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:31:20,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:31:20,656 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:20,714 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2023-11-06 22:31:20,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:31:20,715 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-06 22:31:20,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:20,716 INFO L225 Difference]: With dead ends: 71 [2023-11-06 22:31:20,717 INFO L226 Difference]: Without dead ends: 70 [2023-11-06 22:31:20,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:31:20,718 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:20,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 53 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:31:20,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-06 22:31:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-06 22:31:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.0294117647058822) internal successors, (70), 69 states have internal predecessors, (70), 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) [2023-11-06 22:31:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2023-11-06 22:31:20,729 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 32 [2023-11-06 22:31:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:20,730 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2023-11-06 22:31:20,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2023-11-06 22:31:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 22:31:20,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:20,733 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2023-11-06 22:31:20,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:31:20,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:31:20,940 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:20,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:20,940 INFO L85 PathProgramCache]: Analyzing trace with hash -479014812, now seen corresponding path program 3 times [2023-11-06 22:31:20,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:20,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861254577] [2023-11-06 22:31:20,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:20,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:21,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:21,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861254577] [2023-11-06 22:31:21,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861254577] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:21,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956880666] [2023-11-06 22:31:21,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:31:21,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:21,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:21,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:21,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:31:21,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-06 22:31:21,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:21,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:31:21,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:21,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:21,938 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:21,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956880666] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:21,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:21,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-11-06 22:31:21,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235286478] [2023-11-06 22:31:21,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:21,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:31:21,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:21,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:31:21,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:31:21,942 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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) [2023-11-06 22:31:22,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:22,081 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2023-11-06 22:31:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:31:22,082 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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 67 [2023-11-06 22:31:22,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:22,085 INFO L225 Difference]: With dead ends: 153 [2023-11-06 22:31:22,086 INFO L226 Difference]: Without dead ends: 152 [2023-11-06 22:31:22,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:31:22,088 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:22,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 114 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:31:22,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-06 22:31:22,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 141. [2023-11-06 22:31:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 139 states have (on average 1.0935251798561152) internal successors, (152), 140 states have internal predecessors, (152), 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) [2023-11-06 22:31:22,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 152 transitions. [2023-11-06 22:31:22,123 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 152 transitions. Word has length 67 [2023-11-06 22:31:22,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:22,124 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 152 transitions. [2023-11-06 22:31:22,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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) [2023-11-06 22:31:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2023-11-06 22:31:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:31:22,130 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:22,130 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2023-11-06 22:31:22,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:22,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:31:22,339 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:22,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1964557231, now seen corresponding path program 3 times [2023-11-06 22:31:22,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:22,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105415812] [2023-11-06 22:31:22,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:22,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:22,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:22,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105415812] [2023-11-06 22:31:22,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105415812] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:22,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419484329] [2023-11-06 22:31:22,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:31:22,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:22,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:22,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:22,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:31:22,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-06 22:31:22,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:22,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:31:22,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:22,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:23,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419484329] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:23,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:23,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-11-06 22:31:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201483255] [2023-11-06 22:31:23,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:23,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:31:23,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:23,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:31:23,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:31:23,201 INFO L87 Difference]: Start difference. First operand 141 states and 152 transitions. Second operand has 24 states, 23 states have (on average 5.826086956521739) internal successors, (134), 24 states have internal predecessors, (134), 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) [2023-11-06 22:31:23,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:23,295 INFO L93 Difference]: Finished difference Result 143 states and 154 transitions. [2023-11-06 22:31:23,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:31:23,296 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.826086956521739) internal successors, (134), 24 states have internal predecessors, (134), 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 68 [2023-11-06 22:31:23,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:23,297 INFO L225 Difference]: With dead ends: 143 [2023-11-06 22:31:23,297 INFO L226 Difference]: Without dead ends: 142 [2023-11-06 22:31:23,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:31:23,299 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:23,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:31:23,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-06 22:31:23,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-06 22:31:23,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 140 states have (on average 1.0142857142857142) internal successors, (142), 141 states have internal predecessors, (142), 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) [2023-11-06 22:31:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2023-11-06 22:31:23,313 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 68 [2023-11-06 22:31:23,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:23,314 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2023-11-06 22:31:23,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.826086956521739) internal successors, (134), 24 states have internal predecessors, (134), 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) [2023-11-06 22:31:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2023-11-06 22:31:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:31:23,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:23,317 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2023-11-06 22:31:23,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:23,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:31:23,524 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:23,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:23,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1591143344, now seen corresponding path program 4 times [2023-11-06 22:31:23,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:23,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201465785] [2023-11-06 22:31:23,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:23,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:24,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:24,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201465785] [2023-11-06 22:31:24,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201465785] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:24,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578631482] [2023-11-06 22:31:24,496 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:31:24,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:24,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:24,498 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:24,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:31:24,616 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:31:24,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:24,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:31:24,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:24,869 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:26,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578631482] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:26,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:26,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-11-06 22:31:26,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165160879] [2023-11-06 22:31:26,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:26,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-06 22:31:26,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:26,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-06 22:31:26,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-06 22:31:26,064 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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) [2023-11-06 22:31:26,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:26,303 INFO L93 Difference]: Finished difference Result 309 states and 332 transitions. [2023-11-06 22:31:26,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 22:31:26,304 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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 139 [2023-11-06 22:31:26,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:26,307 INFO L225 Difference]: With dead ends: 309 [2023-11-06 22:31:26,307 INFO L226 Difference]: Without dead ends: 308 [2023-11-06 22:31:26,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-06 22:31:26,309 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 59 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:26,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 225 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:31:26,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-11-06 22:31:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 285. [2023-11-06 22:31:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 283 states have (on average 1.088339222614841) internal successors, (308), 284 states have internal predecessors, (308), 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) [2023-11-06 22:31:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 308 transitions. [2023-11-06 22:31:26,332 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 308 transitions. Word has length 139 [2023-11-06 22:31:26,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:26,333 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 308 transitions. [2023-11-06 22:31:26,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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) [2023-11-06 22:31:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 308 transitions. [2023-11-06 22:31:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:31:26,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:26,341 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2023-11-06 22:31:26,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:26,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:31:26,548 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:26,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:26,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2080803355, now seen corresponding path program 4 times [2023-11-06 22:31:26,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:26,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933826270] [2023-11-06 22:31:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:26,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:27,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:27,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933826270] [2023-11-06 22:31:27,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933826270] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:27,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327756959] [2023-11-06 22:31:27,359 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 22:31:27,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:27,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:27,360 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:27,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:31:27,455 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 22:31:27,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:27,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:31:27,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:27,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:28,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327756959] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:28,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:28,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-11-06 22:31:28,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702386309] [2023-11-06 22:31:28,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:28,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-06 22:31:28,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:28,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-06 22:31:28,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-06 22:31:28,999 INFO L87 Difference]: Start difference. First operand 285 states and 308 transitions. Second operand has 48 states, 47 states have (on average 5.914893617021277) internal successors, (278), 48 states have internal predecessors, (278), 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) [2023-11-06 22:31:29,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:29,223 INFO L93 Difference]: Finished difference Result 287 states and 310 transitions. [2023-11-06 22:31:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 22:31:29,224 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.914893617021277) internal successors, (278), 48 states have internal predecessors, (278), 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 140 [2023-11-06 22:31:29,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:29,226 INFO L225 Difference]: With dead ends: 287 [2023-11-06 22:31:29,226 INFO L226 Difference]: Without dead ends: 286 [2023-11-06 22:31:29,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-06 22:31:29,229 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:29,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 201 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:31:29,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-11-06 22:31:29,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2023-11-06 22:31:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 284 states have (on average 1.0070422535211268) internal successors, (286), 285 states have internal predecessors, (286), 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) [2023-11-06 22:31:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 286 transitions. [2023-11-06 22:31:29,250 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 286 transitions. Word has length 140 [2023-11-06 22:31:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:29,251 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 286 transitions. [2023-11-06 22:31:29,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.914893617021277) internal successors, (278), 48 states have internal predecessors, (278), 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) [2023-11-06 22:31:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 286 transitions. [2023-11-06 22:31:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-06 22:31:29,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:29,256 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2023-11-06 22:31:29,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:29,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:31:29,462 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:29,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:29,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1393260584, now seen corresponding path program 5 times [2023-11-06 22:31:29,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:29,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729638012] [2023-11-06 22:31:29,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:29,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:32,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:32,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:32,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729638012] [2023-11-06 22:31:32,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729638012] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:32,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346889] [2023-11-06 22:31:32,764 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-06 22:31:32,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:32,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:32,765 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:32,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:31:33,285 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-06 22:31:33,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:33,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:31:33,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:33,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346889] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:37,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:37,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-11-06 22:31:37,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386955544] [2023-11-06 22:31:37,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:37,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-06 22:31:37,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:37,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-06 22:31:37,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-06 22:31:37,746 INFO L87 Difference]: Start difference. First operand 286 states and 286 transitions. Second operand has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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) [2023-11-06 22:31:38,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:38,378 INFO L93 Difference]: Finished difference Result 621 states and 668 transitions. [2023-11-06 22:31:38,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-06 22:31:38,379 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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 283 [2023-11-06 22:31:38,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:38,383 INFO L225 Difference]: With dead ends: 621 [2023-11-06 22:31:38,383 INFO L226 Difference]: Without dead ends: 620 [2023-11-06 22:31:38,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-06 22:31:38,391 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 175 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:38,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 439 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:31:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2023-11-06 22:31:38,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 573. [2023-11-06 22:31:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 571 states have (on average 1.085814360770578) internal successors, (620), 572 states have internal predecessors, (620), 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) [2023-11-06 22:31:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 620 transitions. [2023-11-06 22:31:38,428 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 620 transitions. Word has length 283 [2023-11-06 22:31:38,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:38,429 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 620 transitions. [2023-11-06 22:31:38,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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) [2023-11-06 22:31:38,430 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 620 transitions. [2023-11-06 22:31:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2023-11-06 22:31:38,435 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:38,435 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 1, 1, 1, 1] [2023-11-06 22:31:38,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:38,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:31:38,641 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:38,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:38,642 INFO L85 PathProgramCache]: Analyzing trace with hash 241405197, now seen corresponding path program 5 times [2023-11-06 22:31:38,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:38,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173306920] [2023-11-06 22:31:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:41,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:41,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173306920] [2023-11-06 22:31:41,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173306920] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:41,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589156228] [2023-11-06 22:31:41,391 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-06 22:31:41,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:41,392 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:41,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:31:41,830 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-06 22:31:41,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:41,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:31:41,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:42,326 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:31:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 0 proven. 6440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:45,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589156228] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:31:45,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:31:45,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-11-06 22:31:45,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417098990] [2023-11-06 22:31:45,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:31:45,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-06 22:31:45,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:45,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-06 22:31:45,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-06 22:31:45,932 INFO L87 Difference]: Start difference. First operand 573 states and 620 transitions. Second operand has 96 states, 95 states have (on average 5.957894736842105) internal successors, (566), 96 states have internal predecessors, (566), 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) [2023-11-06 22:31:46,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:31:46,456 INFO L93 Difference]: Finished difference Result 575 states and 622 transitions. [2023-11-06 22:31:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-06 22:31:46,457 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.957894736842105) internal successors, (566), 96 states have internal predecessors, (566), 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 284 [2023-11-06 22:31:46,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:31:46,463 INFO L225 Difference]: With dead ends: 575 [2023-11-06 22:31:46,463 INFO L226 Difference]: Without dead ends: 574 [2023-11-06 22:31:46,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-06 22:31:46,468 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:31:46,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 393 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:31:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-11-06 22:31:46,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2023-11-06 22:31:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 572 states have (on average 1.0034965034965035) internal successors, (574), 573 states have internal predecessors, (574), 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) [2023-11-06 22:31:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 574 transitions. [2023-11-06 22:31:46,504 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 574 transitions. Word has length 284 [2023-11-06 22:31:46,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:31:46,504 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 574 transitions. [2023-11-06 22:31:46,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.957894736842105) internal successors, (566), 96 states have internal predecessors, (566), 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) [2023-11-06 22:31:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 574 transitions. [2023-11-06 22:31:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2023-11-06 22:31:46,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:31:46,520 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 1, 1, 1, 1] [2023-11-06 22:31:46,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:31:46,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:46,728 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:31:46,728 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:46,728 INFO L85 PathProgramCache]: Analyzing trace with hash -982011944, now seen corresponding path program 6 times [2023-11-06 22:31:46,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:46,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944686007] [2023-11-06 22:31:46,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:46,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:55,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:55,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944686007] [2023-11-06 22:31:55,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944686007] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:31:55,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40758571] [2023-11-06 22:31:55,884 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-06 22:31:55,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:31:55,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:55,885 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:31:55,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:31:57,180 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-11-06 22:31:57,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:31:57,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-06 22:31:57,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:58,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:32:10,309 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:10,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40758571] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:32:10,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:32:10,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-11-06 22:32:10,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340151378] [2023-11-06 22:32:10,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:32:10,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-11-06 22:32:10,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:10,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-11-06 22:32:10,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-06 22:32:10,328 INFO L87 Difference]: Start difference. First operand 574 states and 574 transitions. Second operand has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 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) [2023-11-06 22:32:12,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:32:12,752 INFO L93 Difference]: Finished difference Result 1245 states and 1340 transitions. [2023-11-06 22:32:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-11-06 22:32:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 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 571 [2023-11-06 22:32:12,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:32:12,759 INFO L225 Difference]: With dead ends: 1245 [2023-11-06 22:32:12,759 INFO L226 Difference]: Without dead ends: 1244 [2023-11-06 22:32:12,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1236 GetRequests, 1046 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-06 22:32:12,763 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 401 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:32:12,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 876 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:32:12,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2023-11-06 22:32:12,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1149. [2023-11-06 22:32:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1147 states have (on average 1.084568439407149) internal successors, (1244), 1148 states have internal predecessors, (1244), 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) [2023-11-06 22:32:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1244 transitions. [2023-11-06 22:32:12,815 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1244 transitions. Word has length 571 [2023-11-06 22:32:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:32:12,817 INFO L495 AbstractCegarLoop]: Abstraction has 1149 states and 1244 transitions. [2023-11-06 22:32:12,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 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) [2023-11-06 22:32:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1244 transitions. [2023-11-06 22:32:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2023-11-06 22:32:12,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:32:12,833 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 1, 1, 1, 1] [2023-11-06 22:32:12,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:32:13,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:32:13,040 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:32:13,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash -377599139, now seen corresponding path program 6 times [2023-11-06 22:32:13,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:13,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216152924] [2023-11-06 22:32:13,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:13,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 26696 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:21,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:21,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216152924] [2023-11-06 22:32:21,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216152924] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:32:21,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484716196] [2023-11-06 22:32:21,629 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-06 22:32:21,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:32:21,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:32:21,633 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:32:21,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:32:22,843 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-11-06 22:32:22,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:32:22,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-06 22:32:22,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:32:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 26696 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:23,832 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:32:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 26696 backedges. 0 proven. 26696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:36,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484716196] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:32:36,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:32:36,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2023-11-06 22:32:36,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102131377] [2023-11-06 22:32:36,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:32:36,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-11-06 22:32:36,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:36,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-11-06 22:32:36,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-06 22:32:36,553 INFO L87 Difference]: Start difference. First operand 1149 states and 1244 transitions. Second operand has 192 states, 191 states have (on average 5.979057591623037) internal successors, (1142), 192 states have internal predecessors, (1142), 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) [2023-11-06 22:32:38,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:32:38,497 INFO L93 Difference]: Finished difference Result 1151 states and 1246 transitions. [2023-11-06 22:32:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-11-06 22:32:38,498 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.979057591623037) internal successors, (1142), 192 states have internal predecessors, (1142), 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 572 [2023-11-06 22:32:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:32:38,506 INFO L225 Difference]: With dead ends: 1151 [2023-11-06 22:32:38,506 INFO L226 Difference]: Without dead ends: 1150 [2023-11-06 22:32:38,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1238 GetRequests, 1048 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-06 22:32:38,511 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:32:38,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 783 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:32:38,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2023-11-06 22:32:38,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1150. [2023-11-06 22:32:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 1148 states have (on average 1.0017421602787457) internal successors, (1150), 1149 states have internal predecessors, (1150), 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) [2023-11-06 22:32:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1150 transitions. [2023-11-06 22:32:38,582 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1150 transitions. Word has length 572 [2023-11-06 22:32:38,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:32:38,583 INFO L495 AbstractCegarLoop]: Abstraction has 1150 states and 1150 transitions. [2023-11-06 22:32:38,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.979057591623037) internal successors, (1142), 192 states have internal predecessors, (1142), 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) [2023-11-06 22:32:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1150 transitions. [2023-11-06 22:32:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1148 [2023-11-06 22:32:38,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:32:38,599 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 190, 190, 190, 1, 1, 1, 1] [2023-11-06 22:32:38,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:32:38,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:32:38,807 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:32:38,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash 728620856, now seen corresponding path program 7 times [2023-11-06 22:32:38,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:38,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749987247] [2023-11-06 22:32:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 108490 backedges. 0 proven. 108490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:15,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:15,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749987247] [2023-11-06 22:33:15,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749987247] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:33:15,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783953885] [2023-11-06 22:33:15,758 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-06 22:33:15,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:33:15,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:33:15,761 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:33:15,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:33:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:16,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 192 conjunts are in the unsatisfiable core [2023-11-06 22:33:16,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:33:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 108490 backedges. 0 proven. 108490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:17,547 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:34:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 108490 backedges. 0 proven. 108490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:04,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783953885] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:34:04,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:34:04,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2023-11-06 22:34:04,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556475219] [2023-11-06 22:34:04,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:34:04,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2023-11-06 22:34:04,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2023-11-06 22:34:04,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2023-11-06 22:34:04,146 INFO L87 Difference]: Start difference. First operand 1150 states and 1150 transitions. Second operand has 384 states, 383 states have (on average 5.984334203655353) internal successors, (2292), 384 states have internal predecessors, (2292), 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) [2023-11-06 22:34:18,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:18,074 INFO L93 Difference]: Finished difference Result 2493 states and 2684 transitions. [2023-11-06 22:34:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2023-11-06 22:34:18,078 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 5.984334203655353) internal successors, (2292), 384 states have internal predecessors, (2292), 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 1147 [2023-11-06 22:34:18,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:34:18,092 INFO L225 Difference]: With dead ends: 2493 [2023-11-06 22:34:18,092 INFO L226 Difference]: Without dead ends: 2492 [2023-11-06 22:34:18,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2484 GetRequests, 2102 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.2s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2023-11-06 22:34:18,102 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 961 mSDsluCounter, 1734 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:34:18,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 1743 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:34:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2023-11-06 22:34:18,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2301. [2023-11-06 22:34:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2299 states have (on average 1.0839495432796868) internal successors, (2492), 2300 states have internal predecessors, (2492), 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) [2023-11-06 22:34:18,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 2492 transitions. [2023-11-06 22:34:18,212 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 2492 transitions. Word has length 1147 [2023-11-06 22:34:18,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:34:18,214 INFO L495 AbstractCegarLoop]: Abstraction has 2301 states and 2492 transitions. [2023-11-06 22:34:18,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 5.984334203655353) internal successors, (2292), 384 states have internal predecessors, (2292), 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) [2023-11-06 22:34:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2492 transitions. [2023-11-06 22:34:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2023-11-06 22:34:18,229 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:34:18,229 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 190, 1, 1, 1, 1] [2023-11-06 22:34:18,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-06 22:34:18,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:18,438 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:34:18,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:18,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1112410109, now seen corresponding path program 7 times [2023-11-06 22:34:18,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:18,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827845739] [2023-11-06 22:34:18,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:18,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 108680 backedges. 0 proven. 108680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:57,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:57,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827845739] [2023-11-06 22:34:57,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827845739] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:34:57,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106454223] [2023-11-06 22:34:57,951 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-06 22:34:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:34:57,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:57,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:34:57,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7b95021-9650-420e-a447-1621ca753474/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:34:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:58,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 1932 conjuncts, 192 conjunts are in the unsatisfiable core [2023-11-06 22:34:58,337 INFO L285 TraceCheckSpWp]: Computing forward predicates...