./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr5.c --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_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/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_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/nr5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/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_48383dcf-590f-4f0c-b66f-816a1590e4fb/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 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:43:48,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:43:48,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:43:48,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:43:48,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:43:48,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:43:48,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:43:48,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:43:48,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:43:48,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:43:48,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:43:48,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:43:48,594 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:43:48,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:43:48,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:43:48,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:43:48,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:43:48,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:43:48,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:43:48,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:43:48,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:43:48,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:43:48,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:43:48,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:43:48,600 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:43:48,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:43:48,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:43:48,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:43:48,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:43:48,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:43:48,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:48,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:43:48,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:43:48,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:43:48,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:43:48,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:43:48,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:43:48,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:43:48,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:43:48,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:43:48,607 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:43:48,607 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_48383dcf-590f-4f0c-b66f-816a1590e4fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 [2023-11-06 22:43:48,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:43:48,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:43:48,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:43:48,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:43:48,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:43:48,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-tiling/nr5.c [2023-11-06 22:43:52,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:43:52,233 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:43:52,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/sv-benchmarks/c/array-tiling/nr5.c [2023-11-06 22:43:52,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/data/e91a1221f/ce7bffc5be7c45558595f72f44ff75ee/FLAG152ba2b34 [2023-11-06 22:43:52,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/data/e91a1221f/ce7bffc5be7c45558595f72f44ff75ee [2023-11-06 22:43:52,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:43:52,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:43:52,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:52,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:43:52,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:43:52,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66647bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52, skipping insertion in model container [2023-11-06 22:43:52,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:43:52,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:52,520 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:43:52,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:52,568 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:43:52,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52 WrapperNode [2023-11-06 22:43:52,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:52,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:52,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:43:52,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:43:52,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,631 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2023-11-06 22:43:52,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:52,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:43:52,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:43:52,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:43:52,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:43:52,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:43:52,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:43:52,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:43:52,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (1/1) ... [2023-11-06 22:43:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:52,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:52,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:43:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:43:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:43:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:43:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:43:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:43:52,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:43:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:43:52,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:43:52,889 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:43:52,891 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:43:53,157 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:43:53,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:43:53,165 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:43:53,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:53 BoogieIcfgContainer [2023-11-06 22:43:53,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:43:53,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:43:53,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:43:53,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:43:53,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:43:52" (1/3) ... [2023-11-06 22:43:53,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e520db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:43:53, skipping insertion in model container [2023-11-06 22:43:53,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:52" (2/3) ... [2023-11-06 22:43:53,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e520db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:43:53, skipping insertion in model container [2023-11-06 22:43:53,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:53" (3/3) ... [2023-11-06 22:43:53,180 INFO L112 eAbstractionObserver]: Analyzing ICFG nr5.c [2023-11-06 22:43:53,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:43:53,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-06 22:43:53,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:43:53,263 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;@4018b3bb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:43:53,264 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-06 22:43:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 40 states have (on average 1.7) internal successors, (68), 56 states have internal predecessors, (68), 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 22:43:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:43:53,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:53,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:53,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:53,287 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:53,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2023-11-06 22:43:53,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:53,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246111433] [2023-11-06 22:43:53,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:53,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:53,505 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 22:43:53,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:53,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246111433] [2023-11-06 22:43:53,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246111433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:53,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:53,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:43:53,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777066419] [2023-11-06 22:43:53,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:53,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:43:53,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:53,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:43:53,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:43:53,581 INFO L87 Difference]: Start difference. First operand has 57 states, 40 states have (on average 1.7) internal successors, (68), 56 states have internal predecessors, (68), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:53,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:53,612 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2023-11-06 22:43:53,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:43:53,614 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-06 22:43:53,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:53,622 INFO L225 Difference]: With dead ends: 108 [2023-11-06 22:43:53,622 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 22:43:53,626 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 22:43:53,630 INFO L413 NwaCegarLoop]: 62 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, 62 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 22:43:53,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:53,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 22:43:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 22:43:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.588235294117647) internal successors, (54), 49 states have internal predecessors, (54), 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 22:43:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2023-11-06 22:43:53,679 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 7 [2023-11-06 22:43:53,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:53,680 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2023-11-06 22:43:53,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-06 22:43:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:43:53,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:53,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:53,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:43:53,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:53,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:53,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2023-11-06 22:43:53,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:53,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823319324] [2023-11-06 22:43:53,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:53,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:54,117 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 22:43:54,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:54,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823319324] [2023-11-06 22:43:54,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823319324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:54,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:54,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:54,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781076957] [2023-11-06 22:43:54,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:54,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:54,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:54,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:54,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:54,123 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 22:43:54,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:54,161 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2023-11-06 22:43:54,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:54,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 22:43:54,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:54,163 INFO L225 Difference]: With dead ends: 50 [2023-11-06 22:43:54,167 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 22:43:54,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 22:43:54,169 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 94 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:54,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 46 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 22:43:54,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 22:43:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.5588235294117647) internal successors, (53), 48 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:54,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2023-11-06 22:43:54,186 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 7 [2023-11-06 22:43:54,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:54,187 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2023-11-06 22:43:54,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 22:43:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-06 22:43:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:43:54,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:54,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:54,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:43:54,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:54,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:54,191 INFO L85 PathProgramCache]: Analyzing trace with hash 120397771, now seen corresponding path program 1 times [2023-11-06 22:43:54,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:54,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543133158] [2023-11-06 22:43:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:54,570 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 22:43:54,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:54,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543133158] [2023-11-06 22:43:54,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543133158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:54,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:54,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:43:54,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867929318] [2023-11-06 22:43:54,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:54,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:43:54,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:54,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:43:54,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:54,577 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 22:43:54,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:54,643 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2023-11-06 22:43:54,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:43:54,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 22:43:54,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:54,646 INFO L225 Difference]: With dead ends: 49 [2023-11-06 22:43:54,646 INFO L226 Difference]: Without dead ends: 48 [2023-11-06 22:43:54,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:43:54,649 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 94 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 45 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 22:43:54,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 45 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:54,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-06 22:43:54,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-06 22:43:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 47 states have internal predecessors, (52), 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 22:43:54,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2023-11-06 22:43:54,658 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 8 [2023-11-06 22:43:54,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:54,659 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2023-11-06 22:43:54,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 22:43:54,659 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-06 22:43:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:43:54,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:54,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:54,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:43:54,661 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:54,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:54,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1758336115, now seen corresponding path program 1 times [2023-11-06 22:43:54,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:54,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733762942] [2023-11-06 22:43:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:54,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:54,718 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 22:43:54,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:54,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733762942] [2023-11-06 22:43:54,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733762942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:54,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:54,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:54,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872121976] [2023-11-06 22:43:54,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:54,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:43:54,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:54,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:43:54,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:43:54,722 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 22:43:54,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:54,777 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2023-11-06 22:43:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:43:54,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-06 22:43:54,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:54,779 INFO L225 Difference]: With dead ends: 113 [2023-11-06 22:43:54,780 INFO L226 Difference]: Without dead ends: 71 [2023-11-06 22:43:54,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 22:43:54,782 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 23 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:54,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 75 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:54,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-06 22:43:54,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 49. [2023-11-06 22:43:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.5142857142857142) internal successors, (53), 48 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2023-11-06 22:43:54,806 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 12 [2023-11-06 22:43:54,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:54,806 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2023-11-06 22:43:54,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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 22:43:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-06 22:43:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:43:54,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:54,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:54,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:43:54,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:54,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:54,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337461, now seen corresponding path program 1 times [2023-11-06 22:43:54,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:54,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897212739] [2023-11-06 22:43:54,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:54,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:54,886 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 22:43:54,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:54,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897212739] [2023-11-06 22:43:54,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897212739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:54,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:54,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:43:54,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976101211] [2023-11-06 22:43:54,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:54,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:54,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:54,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:54,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:54,890 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.0) 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 22:43:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:54,939 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2023-11-06 22:43:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:54,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-06 22:43:54,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:54,941 INFO L225 Difference]: With dead ends: 106 [2023-11-06 22:43:54,941 INFO L226 Difference]: Without dead ends: 63 [2023-11-06 22:43:54,942 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 22:43:54,944 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 57 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:54,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 78 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-06 22:43:54,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2023-11-06 22:43:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.5) internal successors, (54), 49 states have internal predecessors, (54), 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 22:43:54,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2023-11-06 22:43:54,954 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 12 [2023-11-06 22:43:54,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:54,954 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2023-11-06 22:43:54,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) 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 22:43:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-06 22:43:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:43:54,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:54,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:54,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:43:54,956 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:54,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337141, now seen corresponding path program 1 times [2023-11-06 22:43:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:54,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626666110] [2023-11-06 22:43:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:54,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:55,019 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 22:43:55,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:55,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626666110] [2023-11-06 22:43:55,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626666110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:55,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:55,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:43:55,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039537402] [2023-11-06 22:43:55,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:55,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:43:55,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:55,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:43:55,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:43:55,028 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 22:43:55,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:55,146 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2023-11-06 22:43:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:43:55,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-06 22:43:55,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:55,148 INFO L225 Difference]: With dead ends: 84 [2023-11-06 22:43:55,148 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 22:43:55,149 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 22:43:55,150 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 24 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:55,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 61 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:55,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 22:43:55,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2023-11-06 22:43:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 54 states have (on average 1.5) internal successors, (81), 67 states have internal predecessors, (81), 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 22:43:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2023-11-06 22:43:55,162 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 12 [2023-11-06 22:43:55,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:55,162 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2023-11-06 22:43:55,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 22:43:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2023-11-06 22:43:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:43:55,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:55,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:55,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:43:55,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:55,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:55,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1839847543, now seen corresponding path program 1 times [2023-11-06 22:43:55,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730830127] [2023-11-06 22:43:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:55,256 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 22:43:55,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:55,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730830127] [2023-11-06 22:43:55,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730830127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:55,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:55,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902268111] [2023-11-06 22:43:55,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:55,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:55,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:55,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:55,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:55,260 INFO L87 Difference]: Start difference. First operand 68 states and 81 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 22:43:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:55,370 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2023-11-06 22:43:55,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:55,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 22:43:55,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:55,372 INFO L225 Difference]: With dead ends: 91 [2023-11-06 22:43:55,372 INFO L226 Difference]: Without dead ends: 89 [2023-11-06 22:43:55,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 22:43:55,378 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 33 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:55,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 76 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:55,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-06 22:43:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 72. [2023-11-06 22:43:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 71 states have internal predecessors, (85), 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 22:43:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2023-11-06 22:43:55,400 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 14 [2023-11-06 22:43:55,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:55,400 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2023-11-06 22:43:55,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 22:43:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2023-11-06 22:43:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:43:55,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:55,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:55,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:43:55,402 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:55,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:55,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1175496642, now seen corresponding path program 1 times [2023-11-06 22:43:55,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286498859] [2023-11-06 22:43:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:55,507 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 22:43:55,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:55,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286498859] [2023-11-06 22:43:55,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286498859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:55,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:55,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:55,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038433631] [2023-11-06 22:43:55,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:55,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:55,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:55,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:55,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:55,512 INFO L87 Difference]: Start difference. First operand 72 states and 85 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:55,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:55,579 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2023-11-06 22:43:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:55,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-06 22:43:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:55,583 INFO L225 Difference]: With dead ends: 82 [2023-11-06 22:43:55,583 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 22:43:55,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:55,588 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 4 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:55,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 115 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:55,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 22:43:55,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-06 22:43:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 79 states have internal predecessors, (94), 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 22:43:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2023-11-06 22:43:55,606 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 17 [2023-11-06 22:43:55,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:55,606 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2023-11-06 22:43:55,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-11-06 22:43:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:43:55,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:55,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:55,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:43:55,612 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:55,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:55,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1474400199, now seen corresponding path program 1 times [2023-11-06 22:43:55,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:55,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479569685] [2023-11-06 22:43:55,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:55,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:55,704 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 22:43:55,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:55,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479569685] [2023-11-06 22:43:55,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479569685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:55,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:55,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:55,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769863339] [2023-11-06 22:43:55,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:55,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:55,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:55,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:55,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:55,710 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:55,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:55,768 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2023-11-06 22:43:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:55,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-06 22:43:55,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:55,771 INFO L225 Difference]: With dead ends: 96 [2023-11-06 22:43:55,771 INFO L226 Difference]: Without dead ends: 94 [2023-11-06 22:43:55,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:55,772 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 7 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:55,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 122 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:55,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-06 22:43:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2023-11-06 22:43:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 89 states have internal predecessors, (108), 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 22:43:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2023-11-06 22:43:55,782 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 17 [2023-11-06 22:43:55,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:55,783 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2023-11-06 22:43:55,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:55,783 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-06 22:43:55,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 22:43:55,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:55,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:55,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:43:55,785 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:55,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:55,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1766496546, now seen corresponding path program 1 times [2023-11-06 22:43:55,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:55,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296921986] [2023-11-06 22:43:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:55,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:55,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296921986] [2023-11-06 22:43:55,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296921986] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662833665] [2023-11-06 22:43:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:55,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:55,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:55,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:55,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:43:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:55,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:43:55,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:56,003 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:56,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662833665] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:56,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:43:56,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-06 22:43:56,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656273009] [2023-11-06 22:43:56,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:56,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:43:56,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:56,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:43:56,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:43:56,053 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:56,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:56,203 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2023-11-06 22:43:56,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:43:56,204 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-06 22:43:56,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:56,205 INFO L225 Difference]: With dead ends: 190 [2023-11-06 22:43:56,205 INFO L226 Difference]: Without dead ends: 131 [2023-11-06 22:43:56,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:43:56,207 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 67 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:56,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 195 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:56,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-06 22:43:56,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 118. [2023-11-06 22:43:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.4615384615384615) internal successors, (152), 117 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 22:43:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 152 transitions. [2023-11-06 22:43:56,239 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 152 transitions. Word has length 21 [2023-11-06 22:43:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:56,240 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 152 transitions. [2023-11-06 22:43:56,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 152 transitions. [2023-11-06 22:43:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:43:56,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:56,243 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:56,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:56,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:43:56,449 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:56,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1089802590, now seen corresponding path program 1 times [2023-11-06 22:43:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:56,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060527588] [2023-11-06 22:43:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:56,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:56,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060527588] [2023-11-06 22:43:56,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060527588] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:56,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060613441] [2023-11-06 22:43:56,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:56,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:56,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:56,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:43:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:56,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:43:56,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:56,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:56,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060613441] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:56,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:43:56,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2023-11-06 22:43:56,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332991085] [2023-11-06 22:43:56,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:56,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:43:56,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:56,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:43:56,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:43:56,831 INFO L87 Difference]: Start difference. First operand 118 states and 152 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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 22:43:57,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:57,024 INFO L93 Difference]: Finished difference Result 223 states and 276 transitions. [2023-11-06 22:43:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:43:57,025 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-06 22:43:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:57,028 INFO L225 Difference]: With dead ends: 223 [2023-11-06 22:43:57,028 INFO L226 Difference]: Without dead ends: 129 [2023-11-06 22:43:57,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:43:57,032 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 93 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:57,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 225 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:57,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-06 22:43:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 112. [2023-11-06 22:43:57,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 111 states have internal predecessors, (138), 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 22:43:57,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2023-11-06 22:43:57,043 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 23 [2023-11-06 22:43:57,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:57,046 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2023-11-06 22:43:57,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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 22:43:57,046 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2023-11-06 22:43:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:43:57,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:57,051 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:57,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:57,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:57,256 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:57,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:57,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1090110430, now seen corresponding path program 1 times [2023-11-06 22:43:57,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:57,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112690299] [2023-11-06 22:43:57,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:57,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:57,355 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 22:43:57,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:57,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112690299] [2023-11-06 22:43:57,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112690299] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:57,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177163045] [2023-11-06 22:43:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:57,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:57,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:57,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:57,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:43:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:57,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:43:57,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:57,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:57,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177163045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:57,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:43:57,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2023-11-06 22:43:57,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268070752] [2023-11-06 22:43:57,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:57,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:43:57,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:57,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:43:57,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:43:57,542 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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 22:43:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:57,695 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2023-11-06 22:43:57,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:43:57,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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) Word has length 23 [2023-11-06 22:43:57,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:57,697 INFO L225 Difference]: With dead ends: 124 [2023-11-06 22:43:57,697 INFO L226 Difference]: Without dead ends: 121 [2023-11-06 22:43:57,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:43:57,698 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 34 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:57,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 88 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:57,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-06 22:43:57,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 112. [2023-11-06 22:43:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 111 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:43:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2023-11-06 22:43:57,708 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 23 [2023-11-06 22:43:57,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:57,708 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2023-11-06 22:43:57,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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 22:43:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2023-11-06 22:43:57,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:43:57,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:57,710 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:57,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:57,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:57,915 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:57,916 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:57,916 INFO L85 PathProgramCache]: Analyzing trace with hash 566315116, now seen corresponding path program 1 times [2023-11-06 22:43:57,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:57,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140260731] [2023-11-06 22:43:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:57,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:43:57,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:57,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140260731] [2023-11-06 22:43:57,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140260731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:57,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:57,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:57,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774040374] [2023-11-06 22:43:57,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:57,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:57,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:57,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:57,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:57,978 INFO L87 Difference]: Start difference. First operand 112 states and 133 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 22:43:58,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:58,060 INFO L93 Difference]: Finished difference Result 121 states and 139 transitions. [2023-11-06 22:43:58,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:58,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 24 [2023-11-06 22:43:58,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:58,062 INFO L225 Difference]: With dead ends: 121 [2023-11-06 22:43:58,062 INFO L226 Difference]: Without dead ends: 119 [2023-11-06 22:43:58,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 22:43:58,063 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 15 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:58,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 79 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:58,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-06 22:43:58,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2023-11-06 22:43:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3265306122448979) internal successors, (130), 111 states have internal predecessors, (130), 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 22:43:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2023-11-06 22:43:58,072 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 24 [2023-11-06 22:43:58,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:58,072 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2023-11-06 22:43:58,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 22:43:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2023-11-06 22:43:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:43:58,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:58,073 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:58,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:43:58,074 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:58,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:58,074 INFO L85 PathProgramCache]: Analyzing trace with hash 639632014, now seen corresponding path program 1 times [2023-11-06 22:43:58,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:58,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820119779] [2023-11-06 22:43:58,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:58,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:43:58,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:58,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820119779] [2023-11-06 22:43:58,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820119779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:58,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:58,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:43:58,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013121878] [2023-11-06 22:43:58,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:58,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:43:58,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:58,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:43:58,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:58,259 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 22:43:58,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:58,337 INFO L93 Difference]: Finished difference Result 137 states and 156 transitions. [2023-11-06 22:43:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:43:58,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 25 [2023-11-06 22:43:58,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:58,339 INFO L225 Difference]: With dead ends: 137 [2023-11-06 22:43:58,339 INFO L226 Difference]: Without dead ends: 118 [2023-11-06 22:43:58,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:58,340 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 157 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:58,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 57 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:58,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-06 22:43:58,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2023-11-06 22:43:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.316326530612245) internal successors, (129), 111 states have internal predecessors, (129), 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 22:43:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2023-11-06 22:43:58,349 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 25 [2023-11-06 22:43:58,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:58,349 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2023-11-06 22:43:58,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 22:43:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2023-11-06 22:43:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:43:58,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:58,350 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:58,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:43:58,351 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:58,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash -621403175, now seen corresponding path program 1 times [2023-11-06 22:43:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:58,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307547621] [2023-11-06 22:43:58,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:58,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:43:58,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:58,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307547621] [2023-11-06 22:43:58,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307547621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:58,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:58,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:58,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980404381] [2023-11-06 22:43:58,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:58,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:58,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:58,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:58,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:58,412 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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 22:43:58,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:58,454 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2023-11-06 22:43:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:58,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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 35 [2023-11-06 22:43:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:58,456 INFO L225 Difference]: With dead ends: 112 [2023-11-06 22:43:58,456 INFO L226 Difference]: Without dead ends: 111 [2023-11-06 22:43:58,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:58,457 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 18 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:58,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 95 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-06 22:43:58,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-06 22:43:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 110 states have internal predecessors, (127), 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 22:43:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2023-11-06 22:43:58,466 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 35 [2023-11-06 22:43:58,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:58,466 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2023-11-06 22:43:58,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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 22:43:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2023-11-06 22:43:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:43:58,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:58,467 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:58,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:43:58,467 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:58,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:58,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1766476414, now seen corresponding path program 2 times [2023-11-06 22:43:58,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:58,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197196276] [2023-11-06 22:43:58,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:58,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-06 22:43:58,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:58,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197196276] [2023-11-06 22:43:58,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197196276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:58,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:58,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:58,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751182419] [2023-11-06 22:43:58,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:58,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:58,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:58,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:58,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:58,540 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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 22:43:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:58,616 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2023-11-06 22:43:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:43:58,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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) Word has length 39 [2023-11-06 22:43:58,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:58,618 INFO L225 Difference]: With dead ends: 116 [2023-11-06 22:43:58,618 INFO L226 Difference]: Without dead ends: 114 [2023-11-06 22:43:58,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:58,619 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 98 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 22:43:58,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 98 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:58,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-06 22:43:58,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-06 22:43:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 113 states have internal predecessors, (130), 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 22:43:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2023-11-06 22:43:58,639 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 39 [2023-11-06 22:43:58,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:58,641 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2023-11-06 22:43:58,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 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 22:43:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2023-11-06 22:43:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:43:58,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:58,642 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:58,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:43:58,642 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:43:58,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:58,643 INFO L85 PathProgramCache]: Analyzing trace with hash 382661460, now seen corresponding path program 1 times [2023-11-06 22:43:58,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:58,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901881505] [2023-11-06 22:43:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-06 22:43:58,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:58,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901881505] [2023-11-06 22:43:58,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901881505] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:58,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084947039] [2023-11-06 22:43:58,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:58,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:58,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:58,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:58,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:43:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:58,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:43:58,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:58,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:43:59,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084947039] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:59,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:43:59,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14 [2023-11-06 22:43:59,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125759721] [2023-11-06 22:43:59,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:59,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:43:59,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:59,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:43:59,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:43:59,090 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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 22:43:59,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:59,805 INFO L93 Difference]: Finished difference Result 320 states and 379 transitions. [2023-11-06 22:43:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-06 22:43:59,806 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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 46 [2023-11-06 22:43:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:59,809 INFO L225 Difference]: With dead ends: 320 [2023-11-06 22:43:59,809 INFO L226 Difference]: Without dead ends: 248 [2023-11-06 22:43:59,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 77 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=433, Invalid=1547, Unknown=0, NotChecked=0, Total=1980 [2023-11-06 22:43:59,811 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 291 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:59,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 201 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:43:59,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-06 22:43:59,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 213. [2023-11-06 22:43:59,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 200 states have (on average 1.37) internal successors, (274), 212 states have internal predecessors, (274), 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 22:43:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2023-11-06 22:43:59,827 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 46 [2023-11-06 22:43:59,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:59,828 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2023-11-06 22:43:59,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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 22:43:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2023-11-06 22:43:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:43:59,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:59,829 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:59,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:00,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:44:00,035 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:00,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:00,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1647312470, now seen corresponding path program 1 times [2023-11-06 22:44:00,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:00,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088114083] [2023-11-06 22:44:00,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:00,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-06 22:44:00,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:00,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088114083] [2023-11-06 22:44:00,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088114083] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:00,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26088000] [2023-11-06 22:44:00,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:00,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:00,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:00,178 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:00,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:44:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:00,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:44:00,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 47 proven. 33 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:44:00,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:44:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 47 proven. 33 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:44:00,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26088000] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:44:00,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:44:00,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 10] total 20 [2023-11-06 22:44:00,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290823152] [2023-11-06 22:44:00,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:44:00,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-06 22:44:00,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:00,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 22:44:00,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:44:00,586 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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 22:44:01,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:01,326 INFO L93 Difference]: Finished difference Result 420 states and 503 transitions. [2023-11-06 22:44:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-06 22:44:01,327 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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 65 [2023-11-06 22:44:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:01,329 INFO L225 Difference]: With dead ends: 420 [2023-11-06 22:44:01,329 INFO L226 Difference]: Without dead ends: 249 [2023-11-06 22:44:01,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=651, Invalid=2001, Unknown=0, NotChecked=0, Total=2652 [2023-11-06 22:44:01,331 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 327 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:01,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 209 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:44:01,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-11-06 22:44:01,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 201. [2023-11-06 22:44:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 200 states have internal predecessors, (242), 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 22:44:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 242 transitions. [2023-11-06 22:44:01,346 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 242 transitions. Word has length 65 [2023-11-06 22:44:01,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:01,347 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 242 transitions. [2023-11-06 22:44:01,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 20 states have internal predecessors, (119), 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 22:44:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 242 transitions. [2023-11-06 22:44:01,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:44:01,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:01,348 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:01,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:01,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:44:01,553 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:01,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:01,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1694215468, now seen corresponding path program 1 times [2023-11-06 22:44:01,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:01,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758167048] [2023-11-06 22:44:01,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:01,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-06 22:44:01,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758167048] [2023-11-06 22:44:01,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758167048] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67574044] [2023-11-06 22:44:01,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:01,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:01,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:01,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:44:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:01,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:44:01,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-06 22:44:01,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:44:01,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67574044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:01,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:44:01,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-11-06 22:44:01,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044728956] [2023-11-06 22:44:01,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:01,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:44:01,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:01,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:44:01,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:44:01,926 INFO L87 Difference]: Start difference. First operand 201 states and 242 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 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 22:44:02,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:02,070 INFO L93 Difference]: Finished difference Result 205 states and 243 transitions. [2023-11-06 22:44:02,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:44:02,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 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) Word has length 66 [2023-11-06 22:44:02,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:02,072 INFO L225 Difference]: With dead ends: 205 [2023-11-06 22:44:02,073 INFO L226 Difference]: Without dead ends: 201 [2023-11-06 22:44:02,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:44:02,074 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 38 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:02,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 119 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:44:02,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-06 22:44:02,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2023-11-06 22:44:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 188 states have (on average 1.2393617021276595) internal successors, (233), 197 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:44:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 233 transitions. [2023-11-06 22:44:02,089 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 233 transitions. Word has length 66 [2023-11-06 22:44:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:02,090 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 233 transitions. [2023-11-06 22:44:02,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 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 22:44:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 233 transitions. [2023-11-06 22:44:02,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 22:44:02,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:02,091 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:02,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:02,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:02,297 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:02,297 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:02,298 INFO L85 PathProgramCache]: Analyzing trace with hash -59776243, now seen corresponding path program 2 times [2023-11-06 22:44:02,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:02,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978021085] [2023-11-06 22:44:02,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:44:02,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:02,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978021085] [2023-11-06 22:44:02,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978021085] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:02,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032521198] [2023-11-06 22:44:02,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:44:02,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:02,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:02,469 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:02,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:44:02,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:44:02,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:44:02,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:44:02,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-06 22:44:02,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:44:02,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032521198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:02,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:44:02,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2023-11-06 22:44:02,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360189364] [2023-11-06 22:44:02,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:02,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:44:02,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:02,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:44:02,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:44:02,747 INFO L87 Difference]: Start difference. First operand 198 states and 233 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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 22:44:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:02,940 INFO L93 Difference]: Finished difference Result 201 states and 234 transitions. [2023-11-06 22:44:02,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:44:02,940 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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 75 [2023-11-06 22:44:02,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:02,942 INFO L225 Difference]: With dead ends: 201 [2023-11-06 22:44:02,942 INFO L226 Difference]: Without dead ends: 198 [2023-11-06 22:44:02,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:44:02,943 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 31 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:02,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 122 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:44:02,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-06 22:44:02,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2023-11-06 22:44:02,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 188 states have (on average 1.1436170212765957) internal successors, (215), 194 states have internal predecessors, (215), 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 22:44:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 215 transitions. [2023-11-06 22:44:02,957 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 215 transitions. Word has length 75 [2023-11-06 22:44:02,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:02,957 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 215 transitions. [2023-11-06 22:44:02,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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 22:44:02,958 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 215 transitions. [2023-11-06 22:44:02,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:44:02,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:02,959 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:02,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:03,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:03,165 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:03,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:03,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1346659655, now seen corresponding path program 1 times [2023-11-06 22:44:03,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:03,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246273016] [2023-11-06 22:44:03,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:03,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:44:03,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:03,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246273016] [2023-11-06 22:44:03,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246273016] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:03,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829920667] [2023-11-06 22:44:03,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:03,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:03,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:03,290 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:03,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:44:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:03,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:44:03,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:44:03,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:44:03,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829920667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:03,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:44:03,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-06 22:44:03,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776941892] [2023-11-06 22:44:03,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:03,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:44:03,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:03,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:44:03,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:44:03,441 INFO L87 Difference]: Start difference. First operand 195 states and 215 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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 22:44:03,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:03,527 INFO L93 Difference]: Finished difference Result 195 states and 215 transitions. [2023-11-06 22:44:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:44:03,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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 77 [2023-11-06 22:44:03,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:03,529 INFO L225 Difference]: With dead ends: 195 [2023-11-06 22:44:03,529 INFO L226 Difference]: Without dead ends: 194 [2023-11-06 22:44:03,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:44:03,531 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 29 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:03,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 126 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:44:03,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-06 22:44:03,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2023-11-06 22:44:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 188 states have (on average 1.1382978723404256) internal successors, (214), 193 states have internal predecessors, (214), 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 22:44:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 214 transitions. [2023-11-06 22:44:03,544 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 214 transitions. Word has length 77 [2023-11-06 22:44:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:03,544 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 214 transitions. [2023-11-06 22:44:03,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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 22:44:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 214 transitions. [2023-11-06 22:44:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:44:03,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:03,545 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:03,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:03,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:03,761 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:03,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:03,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1203223793, now seen corresponding path program 1 times [2023-11-06 22:44:03,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:03,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423851211] [2023-11-06 22:44:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:03,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:44:03,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:03,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423851211] [2023-11-06 22:44:03,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423851211] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050786717] [2023-11-06 22:44:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:03,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:03,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:03,900 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:03,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:44:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:03,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:44:03,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:04,045 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:44:04,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:44:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:44:04,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050786717] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:44:04,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:44:04,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-06 22:44:04,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599622447] [2023-11-06 22:44:04,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:44:04,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:44:04,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:44:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:44:04,099 INFO L87 Difference]: Start difference. First operand 194 states and 214 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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 22:44:04,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:04,252 INFO L93 Difference]: Finished difference Result 220 states and 244 transitions. [2023-11-06 22:44:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:44:04,253 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-11-06 22:44:04,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:04,255 INFO L225 Difference]: With dead ends: 220 [2023-11-06 22:44:04,255 INFO L226 Difference]: Without dead ends: 219 [2023-11-06 22:44:04,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:44:04,256 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 77 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:04,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 145 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:44:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-06 22:44:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 218. [2023-11-06 22:44:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 212 states have (on average 1.1367924528301887) internal successors, (241), 217 states have internal predecessors, (241), 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 22:44:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 241 transitions. [2023-11-06 22:44:04,269 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 241 transitions. Word has length 78 [2023-11-06 22:44:04,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:04,270 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 241 transitions. [2023-11-06 22:44:04,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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 22:44:04,270 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 241 transitions. [2023-11-06 22:44:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-06 22:44:04,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:04,271 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:04,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:04,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-06 22:44:04,477 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:04,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:04,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1646367487, now seen corresponding path program 2 times [2023-11-06 22:44:04,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:04,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357688209] [2023-11-06 22:44:04,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:04,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:44:04,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:04,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357688209] [2023-11-06 22:44:04,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357688209] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:04,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396421327] [2023-11-06 22:44:04,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:44:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:04,745 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:04,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:44:04,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:44:04,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:44:04,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:44:04,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-06 22:44:05,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:44:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-06 22:44:05,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396421327] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:44:05,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:44:05,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2023-11-06 22:44:05,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658017648] [2023-11-06 22:44:05,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:44:05,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:44:05,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:05,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:44:05,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:44:05,184 INFO L87 Difference]: Start difference. First operand 218 states and 241 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 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 22:44:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:05,453 INFO L93 Difference]: Finished difference Result 227 states and 252 transitions. [2023-11-06 22:44:05,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:44:05,454 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-11-06 22:44:05,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:05,455 INFO L225 Difference]: With dead ends: 227 [2023-11-06 22:44:05,455 INFO L226 Difference]: Without dead ends: 176 [2023-11-06 22:44:05,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 200 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:44:05,457 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 86 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:05,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 96 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:44:05,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-06 22:44:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2023-11-06 22:44:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 171 states have (on average 1.1228070175438596) internal successors, (192), 175 states have internal predecessors, (192), 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 22:44:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 192 transitions. [2023-11-06 22:44:05,468 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 192 transitions. Word has length 102 [2023-11-06 22:44:05,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:05,468 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 192 transitions. [2023-11-06 22:44:05,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 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 22:44:05,469 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 192 transitions. [2023-11-06 22:44:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:44:05,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:05,470 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:05,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:05,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 22:44:05,681 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:05,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:05,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1547357164, now seen corresponding path program 1 times [2023-11-06 22:44:05,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:05,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916046030] [2023-11-06 22:44:05,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:05,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 22:44:05,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916046030] [2023-11-06 22:44:05,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916046030] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557734871] [2023-11-06 22:44:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:05,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:05,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:05,778 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:05,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:44:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:05,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:44:05,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 4 proven. 186 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-11-06 22:44:06,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:44:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-11-06 22:44:06,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557734871] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:44:06,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:44:06,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2023-11-06 22:44:06,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517875982] [2023-11-06 22:44:06,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:44:06,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:44:06,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:06,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:44:06,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:44:06,222 INFO L87 Difference]: Start difference. First operand 176 states and 192 transitions. Second operand has 11 states, 10 states have (on average 11.4) internal successors, (114), 11 states have internal predecessors, (114), 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 22:44:06,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:06,401 INFO L93 Difference]: Finished difference Result 194 states and 210 transitions. [2023-11-06 22:44:06,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:44:06,402 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.4) internal successors, (114), 11 states have internal predecessors, (114), 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 103 [2023-11-06 22:44:06,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:06,403 INFO L225 Difference]: With dead ends: 194 [2023-11-06 22:44:06,403 INFO L226 Difference]: Without dead ends: 189 [2023-11-06 22:44:06,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:44:06,405 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 64 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:06,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 74 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:44:06,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-06 22:44:06,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2023-11-06 22:44:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.0491803278688525) internal successors, (192), 185 states have internal predecessors, (192), 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 22:44:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 192 transitions. [2023-11-06 22:44:06,417 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 192 transitions. Word has length 103 [2023-11-06 22:44:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:06,418 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 192 transitions. [2023-11-06 22:44:06,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.4) internal successors, (114), 11 states have internal predecessors, (114), 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 22:44:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions. [2023-11-06 22:44:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-06 22:44:06,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:06,422 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:06,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:06,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:06,628 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:06,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:06,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1160502488, now seen corresponding path program 1 times [2023-11-06 22:44:06,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:06,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059350672] [2023-11-06 22:44:06,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:06,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-11-06 22:44:06,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:06,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059350672] [2023-11-06 22:44:06,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059350672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:06,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:06,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:44:06,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60460777] [2023-11-06 22:44:06,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:06,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:44:06,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:44:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:44:06,764 INFO L87 Difference]: Start difference. First operand 186 states and 192 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 22:44:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:06,803 INFO L93 Difference]: Finished difference Result 186 states and 192 transitions. [2023-11-06 22:44:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:44:06,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2023-11-06 22:44:06,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:06,806 INFO L225 Difference]: With dead ends: 186 [2023-11-06 22:44:06,806 INFO L226 Difference]: Without dead ends: 185 [2023-11-06 22:44:06,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:44:06,807 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:06,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:44:06,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-06 22:44:06,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2023-11-06 22:44:06,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.0437158469945356) internal successors, (191), 184 states have internal predecessors, (191), 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 22:44:06,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 191 transitions. [2023-11-06 22:44:06,819 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 191 transitions. Word has length 162 [2023-11-06 22:44:06,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:06,820 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 191 transitions. [2023-11-06 22:44:06,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 22:44:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 191 transitions. [2023-11-06 22:44:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:44:06,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:06,826 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 13, 13, 12, 12, 12, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:06,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:44:06,827 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:06,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:06,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1363552758, now seen corresponding path program 2 times [2023-11-06 22:44:06,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:06,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620381566] [2023-11-06 22:44:06,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:06,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2023-11-06 22:44:07,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:07,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620381566] [2023-11-06 22:44:07,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620381566] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:44:07,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658205190] [2023-11-06 22:44:07,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:44:07,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:44:07,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:44:07,358 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:44:07,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:44:07,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:44:07,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:44:07,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:44:07,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2023-11-06 22:44:07,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:44:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2023-11-06 22:44:08,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658205190] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:44:08,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:44:08,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 8 [2023-11-06 22:44:08,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152362947] [2023-11-06 22:44:08,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:44:08,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:44:08,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:44:08,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:44:08,339 INFO L87 Difference]: Start difference. First operand 185 states and 191 transitions. Second operand has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 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 22:44:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:08,410 INFO L93 Difference]: Finished difference Result 185 states and 191 transitions. [2023-11-06 22:44:08,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:44:08,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 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 169 [2023-11-06 22:44:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:08,412 INFO L225 Difference]: With dead ends: 185 [2023-11-06 22:44:08,412 INFO L226 Difference]: Without dead ends: 184 [2023-11-06 22:44:08,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 334 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:44:08,413 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 15 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 22:44:08,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 15 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:44:08,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-06 22:44:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2023-11-06 22:44:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.0382513661202186) internal successors, (190), 183 states have internal predecessors, (190), 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 22:44:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 190 transitions. [2023-11-06 22:44:08,433 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 190 transitions. Word has length 169 [2023-11-06 22:44:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:08,433 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 190 transitions. [2023-11-06 22:44:08,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 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 22:44:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 190 transitions. [2023-11-06 22:44:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:44:08,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:08,436 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 13, 13, 13, 13, 12, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:08,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:08,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-06 22:44:08,641 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:44:08,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:08,642 INFO L85 PathProgramCache]: Analyzing trace with hash 409177592, now seen corresponding path program 1 times [2023-11-06 22:44:08,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:44:08,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660624963] [2023-11-06 22:44:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:08,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:44:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2023-11-06 22:44:08,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:44:08,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660624963] [2023-11-06 22:44:08,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660624963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:08,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:08,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:44:08,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731432022] [2023-11-06 22:44:08,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:08,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:44:08,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:44:08,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:44:08,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:44:08,827 INFO L87 Difference]: Start difference. First operand 184 states and 190 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 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 22:44:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:08,868 INFO L93 Difference]: Finished difference Result 184 states and 190 transitions. [2023-11-06 22:44:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:44:08,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 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) Word has length 171 [2023-11-06 22:44:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:08,869 INFO L225 Difference]: With dead ends: 184 [2023-11-06 22:44:08,870 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:44:08,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 22:44:08,871 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:08,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 43 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:44:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:44:08,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:44:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 22:44:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:44:08,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2023-11-06 22:44:08,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:08,874 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:44:08,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 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 22:44:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:44:08,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:44:08,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2023-11-06 22:44:08,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2023-11-06 22:44:08,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2023-11-06 22:44:08,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2023-11-06 22:44:08,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2023-11-06 22:44:08,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2023-11-06 22:44:08,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2023-11-06 22:44:08,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2023-11-06 22:44:08,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2023-11-06 22:44:08,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2023-11-06 22:44:08,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2023-11-06 22:44:08,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2023-11-06 22:44:08,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2023-11-06 22:44:08,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2023-11-06 22:44:08,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2023-11-06 22:44:08,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2023-11-06 22:44:08,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:44:08,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:44:09,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 49) the Hoare annotation is: true [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 41) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 41) no Hoare annotation was computed. [2023-11-06 22:44:09,287 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2023-11-06 22:44:09,288 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2023-11-06 22:44:09,288 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 41) the Hoare annotation is: (let ((.cse0 (<= 2 ~CELLCOUNT~0)) (.cse1 (= ~CELLCOUNT~0 (* 5 (div ~CELLCOUNT~0 5)))) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3) (and (<= |ULTIMATE.start_main_~j~0#1| 4) .cse0 .cse1 .cse2 .cse3 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3))) [2023-11-06 22:44:09,288 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 41) no Hoare annotation was computed. [2023-11-06 22:44:09,288 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-06 22:44:09,288 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2023-11-06 22:44:09,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-06 22:44:09,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 30 40) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L30-3(line 30) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L899 garLoopResultBuilder]: For program point L30-4(line 30) no Hoare annotation was computed. [2023-11-06 22:44:09,289 INFO L895 garLoopResultBuilder]: At program point L30-5(lines 30 40) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 429496729)) (.cse6 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse8 (= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~j~0#1| 4)) (.cse2 (<= 2 ~CELLCOUNT~0)) (.cse7 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse3 (= ~CELLCOUNT~0 (* 5 (div ~CELLCOUNT~0 5)))) (.cse4 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse5 (<= ~CELLCOUNT~0 2147483647))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse7 .cse3 .cse4 .cse5 .cse8) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8) (and .cse1 .cse2 .cse7 .cse3 .cse4 .cse5))) [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 39) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 47) no Hoare annotation was computed. [2023-11-06 22:44:09,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 47) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,291 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,292 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,292 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-06 22:44:09,292 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-06 22:44:09,294 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-06 22:44:09,294 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 46) no Hoare annotation was computed. [2023-11-06 22:44:09,294 INFO L899 garLoopResultBuilder]: For program point L43-3(line 43) no Hoare annotation was computed. [2023-11-06 22:44:09,294 INFO L899 garLoopResultBuilder]: For program point L43-4(line 43) no Hoare annotation was computed. [2023-11-06 22:44:09,295 INFO L895 garLoopResultBuilder]: At program point L43-5(lines 43 46) the Hoare annotation is: (let ((.cse0 (<= 2 ~CELLCOUNT~0)) (.cse1 (= ~CELLCOUNT~0 (* 5 (div ~CELLCOUNT~0 5)))) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 .cse2 .cse3))) [2023-11-06 22:44:09,295 INFO L899 garLoopResultBuilder]: For program point L43-6(lines 43 46) no Hoare annotation was computed. [2023-11-06 22:44:09,298 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:09,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:44:09,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:44:09 BoogieIcfgContainer [2023-11-06 22:44:09,332 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:44:09,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:44:09,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:44:09,333 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:44:09,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:53" (3/4) ... [2023-11-06 22:44:09,336 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:44:09,347 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-06 22:44:09,348 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:44:09,348 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:44:09,349 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:44:09,432 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:44:09,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:44:09,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:44:09,434 INFO L158 Benchmark]: Toolchain (without parser) took 17166.41ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 112.9MB in the beginning and 102.4MB in the end (delta: 10.5MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2023-11-06 22:44:09,434 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:44:09,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.55ms. Allocated memory is still 159.4MB. Free memory was 112.9MB in the beginning and 101.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:44:09,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.67ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:44:09,435 INFO L158 Benchmark]: Boogie Preprocessor took 55.90ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 98.9MB in the end (delta: 727.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:44:09,438 INFO L158 Benchmark]: RCFGBuilder took 479.23ms. Allocated memory is still 159.4MB. Free memory was 98.2MB in the beginning and 84.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:44:09,439 INFO L158 Benchmark]: TraceAbstraction took 16160.24ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 83.6MB in the beginning and 106.6MB in the end (delta: -23.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-11-06 22:44:09,439 INFO L158 Benchmark]: Witness Printer took 100.18ms. Allocated memory is still 211.8MB. Free memory was 106.6MB in the beginning and 102.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:44:09,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.55ms. Allocated memory is still 159.4MB. Free memory was 112.9MB in the beginning and 101.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.67ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 100.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.90ms. Allocated memory is still 159.4MB. Free memory was 99.6MB in the beginning and 98.9MB in the end (delta: 727.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.23ms. Allocated memory is still 159.4MB. Free memory was 98.2MB in the beginning and 84.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 16160.24ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 83.6MB in the beginning and 106.6MB in the end (delta: -23.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 100.18ms. Allocated memory is still 211.8MB. Free memory was 106.6MB in the beginning and 102.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 27, TraceHistogramMax: 16, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1700 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1700 mSDsluCounter, 2705 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1785 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2557 IncrementalHoareTripleChecker+Invalid, 2697 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 920 mSDtfsCounter, 2557 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1664 GetRequests, 1394 SyntacticMatches, 10 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1599 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=22, InterpolantAutomatonStates: 232, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 213 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 35 NumberOfFragments, 205 HoareAnnotationTreeSize, 4 FomulaSimplifications, 378 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 499 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 2258 NumberOfCodeBlocks, 2018 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2818 ConstructedInterpolants, 0 QuantifiedInterpolants, 9360 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1675 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 47 InterpolantComputations, 19 PerfectInterpolantSequences, 6620/7541 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((i <= 429496729) && (j <= 4)) && (2 <= CELLCOUNT)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i)) || ((((((2 <= CELLCOUNT) && (i == 1)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (5 == j))) || (((((((i <= 429496729) && (2 <= CELLCOUNT)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i)) && (5 == j))) || ((((((j <= 4) && (2 <= CELLCOUNT)) && (i == 1)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647))) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((2 <= CELLCOUNT) && (i == 1)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) || ((((((j <= 4) && (2 <= CELLCOUNT)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i))) || (((((2 <= CELLCOUNT) && (2 == i)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647))) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: ((((((i == 0) && (2 <= CELLCOUNT)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) || (((((1 <= i) && (2 <= CELLCOUNT)) && (CELLCOUNT == (5 * (CELLCOUNT / 5)))) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:44:09,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48383dcf-590f-4f0c-b66f-816a1590e4fb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE