./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/nr4.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_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/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_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/nr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/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_2c7b526c-1750-478f-8351-cf929a6491e2/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 3219130777e42bfc39497c312a66c6d1b1af231a6df358861eaa545434d20cb1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:17,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:17,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:23:17,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:17,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:17,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:17,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:17,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:17,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:23:17,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:23:17,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:17,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:17,685 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:17,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:17,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:23:17,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:17,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:23:17,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:17,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:17,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:23:17,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:23:17,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:23:17,690 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:23:17,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:23:17,692 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:17,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:17,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:17,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:17,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:17,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:23:17,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:17,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:17,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:23:17,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:23:17,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:23:17,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:23:17,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:23:17,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:23:17,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:23:17,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:23:17,700 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:23:17,701 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_2c7b526c-1750-478f-8351-cf929a6491e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3219130777e42bfc39497c312a66c6d1b1af231a6df358861eaa545434d20cb1 [2023-11-06 22:23:18,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:18,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:18,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:18,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:18,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:18,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-tiling/nr4.c [2023-11-06 22:23:21,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:21,415 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:21,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/sv-benchmarks/c/array-tiling/nr4.c [2023-11-06 22:23:21,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/data/e96b26872/a67ef5c07ee64067bc85a73b5b72e73a/FLAGf53ae08f3 [2023-11-06 22:23:21,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/data/e96b26872/a67ef5c07ee64067bc85a73b5b72e73a [2023-11-06 22:23:21,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:21,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:21,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:21,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:21,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:21,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b08e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21, skipping insertion in model container [2023-11-06 22:23:21,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:21,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:21,676 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:21,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:21,716 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:21,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21 WrapperNode [2023-11-06 22:23:21,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:21,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:21,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:21,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:21,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,762 INFO L138 Inliner]: procedures = 15, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-06 22:23:21,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:21,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:21,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:21,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:21,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:23:21,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:23:21,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:23:21,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:23:21,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (1/1) ... [2023-11-06 22:23:21,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:21,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:21,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:23:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:23:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:23:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:23:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:23:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:23:21,956 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:23:21,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:23:22,198 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:23:22,205 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:23:22,206 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:23:22,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:22 BoogieIcfgContainer [2023-11-06 22:23:22,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:23:22,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:23:22,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:23:22,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:23:22,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:23:21" (1/3) ... [2023-11-06 22:23:22,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f120ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:22, skipping insertion in model container [2023-11-06 22:23:22,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:21" (2/3) ... [2023-11-06 22:23:22,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f120ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:22, skipping insertion in model container [2023-11-06 22:23:22,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:22" (3/3) ... [2023-11-06 22:23:22,219 INFO L112 eAbstractionObserver]: Analyzing ICFG nr4.c [2023-11-06 22:23:22,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:23:22,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-06 22:23:22,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:23:22,310 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;@43585589, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:23:22,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-06 22:23:22,315 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 22:23:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:23:22,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:22,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:22,322 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 22:23:22,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:22,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2023-11-06 22:23:22,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:22,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190787805] [2023-11-06 22:23:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:22,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:22,518 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 22:23:22,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:22,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190787805] [2023-11-06 22:23:22,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190787805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:22,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:22,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:23:22,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979674475] [2023-11-06 22:23:22,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:22,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:23:22,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:22,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:23:22,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:23:22,576 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 22:23:22,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:22,597 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2023-11-06 22:23:22,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:23:22,600 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 22:23:22,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:22,607 INFO L225 Difference]: With dead ends: 108 [2023-11-06 22:23:22,607 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 22:23:22,610 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 22:23:22,614 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 22:23:22,616 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 22:23:22,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 22:23:22,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 22:23:22,648 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 22:23:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2023-11-06 22:23:22,651 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 7 [2023-11-06 22:23:22,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:22,651 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2023-11-06 22:23:22,651 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 22:23:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-06 22:23:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:23:22,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:22,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:22,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:23:22,653 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 22:23:22,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:22,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2023-11-06 22:23:22,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:22,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688656792] [2023-11-06 22:23:22,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:22,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,030 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 22:23:23,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:23,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688656792] [2023-11-06 22:23:23,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688656792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:23,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:23,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:23,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278589165] [2023-11-06 22:23:23,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:23,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:23,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:23,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:23,037 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 22:23:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:23,077 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2023-11-06 22:23:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:23,078 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 22:23:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:23,079 INFO L225 Difference]: With dead ends: 50 [2023-11-06 22:23:23,080 INFO L226 Difference]: Without dead ends: 49 [2023-11-06 22:23:23,080 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 22:23:23,082 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 22:23:23,083 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 22:23:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-06 22:23:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-06 22:23:23,095 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 22:23:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2023-11-06 22:23:23,100 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 7 [2023-11-06 22:23:23,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:23,101 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2023-11-06 22:23:23,101 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 22:23:23,102 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-06 22:23:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:23:23,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:23,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:23,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:23:23,105 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 22:23:23,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:23,108 INFO L85 PathProgramCache]: Analyzing trace with hash 120397771, now seen corresponding path program 1 times [2023-11-06 22:23:23,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:23,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71625998] [2023-11-06 22:23:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:23,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,439 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 22:23:23,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:23,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71625998] [2023-11-06 22:23:23,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71625998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:23,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:23,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:23:23,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603220497] [2023-11-06 22:23:23,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:23,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:23,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:23,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:23,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:23,443 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 22:23:23,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:23,496 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2023-11-06 22:23:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:23:23,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 22:23:23,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:23,498 INFO L225 Difference]: With dead ends: 49 [2023-11-06 22:23:23,498 INFO L226 Difference]: Without dead ends: 48 [2023-11-06 22:23:23,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:23,501 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:23,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 45 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-06 22:23:23,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-06 22:23:23,508 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 22:23:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2023-11-06 22:23:23,510 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 8 [2023-11-06 22:23:23,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:23,510 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2023-11-06 22:23:23,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 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 22:23:23,511 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-06 22:23:23,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:23:23,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:23,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:23,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:23:23,512 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 22:23:23,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1758336115, now seen corresponding path program 1 times [2023-11-06 22:23:23,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:23,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259384313] [2023-11-06 22:23:23,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:23,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,588 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 22:23:23,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:23,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259384313] [2023-11-06 22:23:23,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259384313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:23,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:23,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:23,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904606474] [2023-11-06 22:23:23,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:23,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:23:23,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:23,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:23:23,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:23,591 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 22:23:23,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:23,670 INFO L93 Difference]: Finished difference Result 113 states and 123 transitions. [2023-11-06 22:23:23,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:23:23,671 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 22:23:23,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:23,673 INFO L225 Difference]: With dead ends: 113 [2023-11-06 22:23:23,673 INFO L226 Difference]: Without dead ends: 71 [2023-11-06 22:23:23,673 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 22:23:23,675 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, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:23,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 75 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:23,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-06 22:23:23,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 49. [2023-11-06 22:23:23,696 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 22:23:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2023-11-06 22:23:23,698 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 12 [2023-11-06 22:23:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:23,698 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2023-11-06 22:23:23,698 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 22:23:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-06 22:23:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:23:23,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:23,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:23,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:23:23,700 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 22:23:23,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:23,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337461, now seen corresponding path program 1 times [2023-11-06 22:23:23,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:23,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623019257] [2023-11-06 22:23:23,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:23,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,820 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 22:23:23,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:23,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623019257] [2023-11-06 22:23:23,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623019257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:23,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:23,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:23:23,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912261264] [2023-11-06 22:23:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:23,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:23,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:23,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:23,823 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 22:23:23,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:23,869 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2023-11-06 22:23:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:23,870 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 22:23:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:23,876 INFO L225 Difference]: With dead ends: 106 [2023-11-06 22:23:23,876 INFO L226 Difference]: Without dead ends: 63 [2023-11-06 22:23:23,877 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 22:23:23,886 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 70 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:23,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 77 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-06 22:23:23,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2023-11-06 22:23:23,893 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 22:23:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2023-11-06 22:23:23,894 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 12 [2023-11-06 22:23:23,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:23,894 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2023-11-06 22:23:23,894 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 22:23:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-06 22:23:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:23:23,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:23,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:23,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:23:23,896 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 22:23:23,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1758337141, now seen corresponding path program 1 times [2023-11-06 22:23:23,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:23,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361481936] [2023-11-06 22:23:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,966 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 22:23:23,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:23,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361481936] [2023-11-06 22:23:23,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361481936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:23,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:23,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:23:23,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982800990] [2023-11-06 22:23:23,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:23,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:23:23,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:23,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:23:23,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:23,972 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 22:23:24,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:24,054 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2023-11-06 22:23:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:23:24,055 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 22:23:24,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:24,056 INFO L225 Difference]: With dead ends: 84 [2023-11-06 22:23:24,056 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 22:23:24,056 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 22:23:24,057 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 22:23:24,058 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 22:23:24,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 22:23:24,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2023-11-06 22:23:24,067 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 22:23:24,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2023-11-06 22:23:24,069 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 81 transitions. Word has length 12 [2023-11-06 22:23:24,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:24,069 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 81 transitions. [2023-11-06 22:23:24,070 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 22:23:24,070 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2023-11-06 22:23:24,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:23:24,070 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:24,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:24,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:23:24,071 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 22:23:24,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:24,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1839847543, now seen corresponding path program 1 times [2023-11-06 22:23:24,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:24,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013769674] [2023-11-06 22:23:24,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:24,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,133 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 22:23:24,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:24,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013769674] [2023-11-06 22:23:24,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013769674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:24,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:24,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:24,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455520025] [2023-11-06 22:23:24,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:24,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:24,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:24,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:24,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:24,136 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 22:23:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:24,242 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2023-11-06 22:23:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:24,242 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 22:23:24,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:24,243 INFO L225 Difference]: With dead ends: 91 [2023-11-06 22:23:24,243 INFO L226 Difference]: Without dead ends: 89 [2023-11-06 22:23:24,244 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 22:23:24,245 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 39 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:24,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 66 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:24,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-06 22:23:24,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 72. [2023-11-06 22:23:24,255 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 22:23:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2023-11-06 22:23:24,256 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 14 [2023-11-06 22:23:24,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:24,257 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2023-11-06 22:23:24,257 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 22:23:24,257 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2023-11-06 22:23:24,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:23:24,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:24,258 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 22:23:24,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:23:24,258 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 22:23:24,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:24,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1175496642, now seen corresponding path program 1 times [2023-11-06 22:23:24,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:24,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242191684] [2023-11-06 22:23:24,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:24,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,321 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 22:23:24,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:24,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242191684] [2023-11-06 22:23:24,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242191684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:24,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:24,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:24,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187697291] [2023-11-06 22:23:24,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:24,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:24,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:24,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:24,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:24,324 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 22:23:24,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:24,380 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2023-11-06 22:23:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:24,381 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 22:23:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:24,382 INFO L225 Difference]: With dead ends: 82 [2023-11-06 22:23:24,382 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 22:23:24,382 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 22:23:24,383 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 22:23:24,384 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 22:23:24,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 22:23:24,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-06 22:23:24,392 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 22:23:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2023-11-06 22:23:24,393 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 17 [2023-11-06 22:23:24,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:24,393 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2023-11-06 22:23:24,393 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 22:23:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2023-11-06 22:23:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:23:24,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:24,394 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 22:23:24,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:23:24,395 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 22:23:24,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1474400199, now seen corresponding path program 1 times [2023-11-06 22:23:24,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:24,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184999367] [2023-11-06 22:23:24,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:24,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,448 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 22:23:24,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:24,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184999367] [2023-11-06 22:23:24,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184999367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:24,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:24,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:24,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874053197] [2023-11-06 22:23:24,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:24,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:24,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:24,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:24,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:24,451 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 22:23:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:24,499 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2023-11-06 22:23:24,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:24,500 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 22:23:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:24,501 INFO L225 Difference]: With dead ends: 96 [2023-11-06 22:23:24,501 INFO L226 Difference]: Without dead ends: 94 [2023-11-06 22:23:24,501 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 22:23:24,502 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 22:23:24,502 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 22:23:24,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-06 22:23:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2023-11-06 22:23:24,511 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 22:23:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2023-11-06 22:23:24,512 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 17 [2023-11-06 22:23:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:24,513 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2023-11-06 22:23:24,513 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 22:23:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-06 22:23:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 22:23:24,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:24,514 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 22:23:24,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:23:24,515 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 22:23:24,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:24,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1766496546, now seen corresponding path program 1 times [2023-11-06 22:23:24,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:24,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533849706] [2023-11-06 22:23:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:24,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,580 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 22:23:24,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:24,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533849706] [2023-11-06 22:23:24,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533849706] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:24,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30167453] [2023-11-06 22:23:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:24,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:24,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:24,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:24,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:23:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:23:24,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:24,734 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 22:23:24,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:24,776 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 22:23:24,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30167453] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:24,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:24,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-06 22:23:24,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162522585] [2023-11-06 22:23:24,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:24,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:23:24,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:24,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:23:24,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:23:24,778 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 22:23:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:24,907 INFO L93 Difference]: Finished difference Result 190 states and 226 transitions. [2023-11-06 22:23:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:23:24,907 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 22:23:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:24,908 INFO L225 Difference]: With dead ends: 190 [2023-11-06 22:23:24,908 INFO L226 Difference]: Without dead ends: 131 [2023-11-06 22:23:24,909 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 22:23:24,910 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 81 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:24,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 209 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:24,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-06 22:23:24,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 118. [2023-11-06 22:23:24,921 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 22:23:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 152 transitions. [2023-11-06 22:23:24,922 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 152 transitions. Word has length 21 [2023-11-06 22:23:24,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:24,922 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 152 transitions. [2023-11-06 22:23:24,923 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 22:23:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 152 transitions. [2023-11-06 22:23:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:23:24,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:24,924 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 22:23:24,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:25,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:23:25,129 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 22:23:25,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:25,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1089802590, now seen corresponding path program 1 times [2023-11-06 22:23:25,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:25,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059604977] [2023-11-06 22:23:25,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:25,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:25,261 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 22:23:25,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:25,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059604977] [2023-11-06 22:23:25,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059604977] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:25,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463209789] [2023-11-06 22:23:25,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:25,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:25,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:25,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:25,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:23:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:25,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:25,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:25,448 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 22:23:25,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:25,515 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 22:23:25,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463209789] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:25,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:25,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2023-11-06 22:23:25,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453654853] [2023-11-06 22:23:25,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:25,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:23:25,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:25,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:23:25,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:23:25,518 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 22:23:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:25,691 INFO L93 Difference]: Finished difference Result 223 states and 276 transitions. [2023-11-06 22:23:25,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:23:25,692 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 22:23:25,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:25,693 INFO L225 Difference]: With dead ends: 223 [2023-11-06 22:23:25,693 INFO L226 Difference]: Without dead ends: 129 [2023-11-06 22:23:25,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:23:25,695 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 189 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:25,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 184 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:25,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-06 22:23:25,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 112. [2023-11-06 22:23:25,704 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 22:23:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2023-11-06 22:23:25,705 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 23 [2023-11-06 22:23:25,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:25,705 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2023-11-06 22:23:25,705 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 22:23:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2023-11-06 22:23:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:23:25,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:25,706 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 22:23:25,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:25,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:23:25,912 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 22:23:25,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:25,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1090110430, now seen corresponding path program 1 times [2023-11-06 22:23:25,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:25,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794425604] [2023-11-06 22:23:25,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:25,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:26,017 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 22:23:26,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794425604] [2023-11-06 22:23:26,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794425604] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:26,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553843033] [2023-11-06 22:23:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:26,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:26,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:26,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:26,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:23:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:26,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:26,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:26,174 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 22:23:26,175 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:26,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553843033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:26,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:23:26,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2023-11-06 22:23:26,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343682839] [2023-11-06 22:23:26,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:26,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:26,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:26,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:26,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:23:26,177 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 22:23:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:26,293 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2023-11-06 22:23:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:23:26,294 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 22:23:26,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:26,295 INFO L225 Difference]: With dead ends: 124 [2023-11-06 22:23:26,295 INFO L226 Difference]: Without dead ends: 121 [2023-11-06 22:23:26,296 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 22:23:26,296 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 47 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:26,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 62 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:26,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-06 22:23:26,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 112. [2023-11-06 22:23:26,305 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 22:23:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2023-11-06 22:23:26,306 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 133 transitions. Word has length 23 [2023-11-06 22:23:26,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:26,306 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 133 transitions. [2023-11-06 22:23:26,306 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 22:23:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 133 transitions. [2023-11-06 22:23:26,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:23:26,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:26,307 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 22:23:26,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:26,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:23:26,513 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 22:23:26,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:26,514 INFO L85 PathProgramCache]: Analyzing trace with hash 566315116, now seen corresponding path program 1 times [2023-11-06 22:23:26,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:26,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413699582] [2023-11-06 22:23:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:26,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:26,602 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 22:23:26,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:26,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413699582] [2023-11-06 22:23:26,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413699582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:26,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:26,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:26,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512400424] [2023-11-06 22:23:26,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:26,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:26,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:26,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:26,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:26,619 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 22:23:26,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:26,684 INFO L93 Difference]: Finished difference Result 121 states and 139 transitions. [2023-11-06 22:23:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:26,685 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 22:23:26,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:26,686 INFO L225 Difference]: With dead ends: 121 [2023-11-06 22:23:26,686 INFO L226 Difference]: Without dead ends: 119 [2023-11-06 22:23:26,686 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 22:23:26,688 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:26,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 66 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:26,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-06 22:23:26,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2023-11-06 22:23:26,698 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 22:23:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2023-11-06 22:23:26,699 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 24 [2023-11-06 22:23:26,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:26,699 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2023-11-06 22:23:26,700 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 22:23:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2023-11-06 22:23:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:23:26,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:26,704 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 22:23:26,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:23:26,705 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 22:23:26,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:26,706 INFO L85 PathProgramCache]: Analyzing trace with hash 639632014, now seen corresponding path program 1 times [2023-11-06 22:23:26,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:26,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626748323] [2023-11-06 22:23:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:26,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:26,950 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 22:23:26,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:26,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626748323] [2023-11-06 22:23:26,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626748323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:26,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:26,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:23:26,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194970757] [2023-11-06 22:23:26,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:26,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:23:26,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:26,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:26,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:26,952 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 22:23:27,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:27,026 INFO L93 Difference]: Finished difference Result 137 states and 156 transitions. [2023-11-06 22:23:27,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:23:27,026 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 22:23:27,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:27,027 INFO L225 Difference]: With dead ends: 137 [2023-11-06 22:23:27,027 INFO L226 Difference]: Without dead ends: 118 [2023-11-06 22:23:27,028 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 22:23:27,028 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 22:23:27,029 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 22:23:27,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-06 22:23:27,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2023-11-06 22:23:27,037 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 22:23:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2023-11-06 22:23:27,038 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 25 [2023-11-06 22:23:27,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:27,038 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2023-11-06 22:23:27,038 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 22:23:27,039 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2023-11-06 22:23:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:23:27,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:27,041 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 22:23:27,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:23:27,042 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 22:23:27,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:27,042 INFO L85 PathProgramCache]: Analyzing trace with hash -621403175, now seen corresponding path program 1 times [2023-11-06 22:23:27,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:27,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752781344] [2023-11-06 22:23:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:27,111 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 22:23:27,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:27,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752781344] [2023-11-06 22:23:27,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752781344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:27,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:27,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:27,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90166056] [2023-11-06 22:23:27,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:27,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:27,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:27,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:27,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:27,113 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 22:23:27,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:27,153 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2023-11-06 22:23:27,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:27,153 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 22:23:27,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:27,154 INFO L225 Difference]: With dead ends: 112 [2023-11-06 22:23:27,155 INFO L226 Difference]: Without dead ends: 111 [2023-11-06 22:23:27,156 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 22:23:27,157 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 22:23:27,157 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 22:23:27,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-06 22:23:27,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-06 22:23:27,165 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 22:23:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2023-11-06 22:23:27,165 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 35 [2023-11-06 22:23:27,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:27,166 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2023-11-06 22:23:27,166 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 22:23:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2023-11-06 22:23:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:23:27,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:27,170 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 22:23:27,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:23:27,170 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 22:23:27,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:27,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1766476414, now seen corresponding path program 2 times [2023-11-06 22:23:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:27,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134290003] [2023-11-06 22:23:27,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:27,272 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 22:23:27,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134290003] [2023-11-06 22:23:27,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134290003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:27,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:27,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:27,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566750859] [2023-11-06 22:23:27,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:27,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:27,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:27,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:27,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:27,275 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 22:23:27,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:27,341 INFO L93 Difference]: Finished difference Result 116 states and 132 transitions. [2023-11-06 22:23:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:27,342 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 22:23:27,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:27,344 INFO L225 Difference]: With dead ends: 116 [2023-11-06 22:23:27,344 INFO L226 Difference]: Without dead ends: 114 [2023-11-06 22:23:27,344 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 22:23:27,345 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 8 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:27,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 98 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:27,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-06 22:23:27,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-06 22:23:27,354 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 22:23:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2023-11-06 22:23:27,355 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 39 [2023-11-06 22:23:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:27,356 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2023-11-06 22:23:27,356 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 22:23:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2023-11-06 22:23:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:23:27,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:27,358 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 22:23:27,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:23:27,358 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 22:23:27,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:27,358 INFO L85 PathProgramCache]: Analyzing trace with hash 382661460, now seen corresponding path program 1 times [2023-11-06 22:23:27,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:27,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135870649] [2023-11-06 22:23:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:27,501 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 22:23:27,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:27,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135870649] [2023-11-06 22:23:27,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135870649] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:27,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649754328] [2023-11-06 22:23:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:27,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:27,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:27,504 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:27,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:23:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:27,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:23:27,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:27,697 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 22:23:27,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:27,782 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 22:23:27,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649754328] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:27,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:27,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 12 [2023-11-06 22:23:27,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866125800] [2023-11-06 22:23:27,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:27,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:23:27,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:27,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:23:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:23:27,785 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:23:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:28,331 INFO L93 Difference]: Finished difference Result 271 states and 316 transitions. [2023-11-06 22:23:28,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-06 22:23:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:23:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:28,334 INFO L225 Difference]: With dead ends: 271 [2023-11-06 22:23:28,334 INFO L226 Difference]: Without dead ends: 199 [2023-11-06 22:23:28,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 78 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=282, Invalid=978, Unknown=0, NotChecked=0, Total=1260 [2023-11-06 22:23:28,336 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 189 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:28,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 199 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:23:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-06 22:23:28,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 174. [2023-11-06 22:23:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 173 states have internal predecessors, (216), 0 states have call successors, (0), 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 22:23:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 216 transitions. [2023-11-06 22:23:28,349 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 216 transitions. Word has length 46 [2023-11-06 22:23:28,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:28,349 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 216 transitions. [2023-11-06 22:23:28,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 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 22:23:28,350 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 216 transitions. [2023-11-06 22:23:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 22:23:28,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:28,350 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:28,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:28,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:23:28,556 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 22:23:28,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:28,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1501927733, now seen corresponding path program 1 times [2023-11-06 22:23:28,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:28,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700714956] [2023-11-06 22:23:28,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:28,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-06 22:23:28,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:28,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700714956] [2023-11-06 22:23:28,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700714956] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:28,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059408200] [2023-11-06 22:23:28,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:28,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:28,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:28,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:23:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:28,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:23:28,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-06 22:23:28,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-06 22:23:28,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059408200] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:28,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:28,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-11-06 22:23:28,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941992009] [2023-11-06 22:23:28,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:28,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:23:28,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:28,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:23:28,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:23:28,915 INFO L87 Difference]: Start difference. First operand 174 states and 216 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 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 22:23:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:29,069 INFO L93 Difference]: Finished difference Result 194 states and 233 transitions. [2023-11-06 22:23:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:29,069 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 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) Word has length 56 [2023-11-06 22:23:29,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:29,071 INFO L225 Difference]: With dead ends: 194 [2023-11-06 22:23:29,071 INFO L226 Difference]: Without dead ends: 191 [2023-11-06 22:23:29,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 106 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 22:23:29,072 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 65 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:29,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 140 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:29,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-06 22:23:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2023-11-06 22:23:29,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 171 states have (on average 1.286549707602339) internal successors, (220), 182 states have internal predecessors, (220), 0 states have call successors, (0), 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 22:23:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 220 transitions. [2023-11-06 22:23:29,087 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 220 transitions. Word has length 56 [2023-11-06 22:23:29,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:29,088 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 220 transitions. [2023-11-06 22:23:29,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 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 22:23:29,088 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 220 transitions. [2023-11-06 22:23:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 22:23:29,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:29,089 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:29,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:29,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:23:29,296 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 22:23:29,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:29,297 INFO L85 PathProgramCache]: Analyzing trace with hash -684880457, now seen corresponding path program 1 times [2023-11-06 22:23:29,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:29,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439270655] [2023-11-06 22:23:29,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-06 22:23:29,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:29,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439270655] [2023-11-06 22:23:29,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439270655] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:29,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919843611] [2023-11-06 22:23:29,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:29,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:29,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:29,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:29,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:23:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:29,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:29,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-06 22:23:29,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:29,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919843611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:29,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:23:29,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-11-06 22:23:29,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404647301] [2023-11-06 22:23:29,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:29,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:29,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:29,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:29,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:23:29,638 INFO L87 Difference]: Start difference. First operand 183 states and 220 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 22:23:29,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:29,755 INFO L93 Difference]: Finished difference Result 186 states and 221 transitions. [2023-11-06 22:23:29,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:23:29,756 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 57 [2023-11-06 22:23:29,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:29,757 INFO L225 Difference]: With dead ends: 186 [2023-11-06 22:23:29,757 INFO L226 Difference]: Without dead ends: 182 [2023-11-06 22:23:29,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 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 22:23:29,758 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 46 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 106 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 22:23:29,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 106 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:29,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-06 22:23:29,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 180. [2023-11-06 22:23:29,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 171 states have (on average 1.2280701754385965) internal successors, (210), 179 states have internal predecessors, (210), 0 states have call successors, (0), 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 22:23:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 210 transitions. [2023-11-06 22:23:29,771 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 210 transitions. Word has length 57 [2023-11-06 22:23:29,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:29,771 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 210 transitions. [2023-11-06 22:23:29,771 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 22:23:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2023-11-06 22:23:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:23:29,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:29,772 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:29,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:29,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:29,978 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:29,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:29,978 INFO L85 PathProgramCache]: Analyzing trace with hash 243542391, now seen corresponding path program 1 times [2023-11-06 22:23:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921011023] [2023-11-06 22:23:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:29,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:30,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:30,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921011023] [2023-11-06 22:23:30,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921011023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:30,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:30,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:30,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987897364] [2023-11-06 22:23:30,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:30,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:30,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:30,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:30,056 INFO L87 Difference]: Start difference. First operand 180 states and 210 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 22:23:30,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:30,117 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2023-11-06 22:23:30,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:30,117 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 58 [2023-11-06 22:23:30,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:30,119 INFO L225 Difference]: With dead ends: 181 [2023-11-06 22:23:30,119 INFO L226 Difference]: Without dead ends: 180 [2023-11-06 22:23:30,119 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 22:23:30,120 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:30,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 87 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:30,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-06 22:23:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2023-11-06 22:23:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 171 states have (on average 1.2163742690058479) internal successors, (208), 179 states have internal predecessors, (208), 0 states have call successors, (0), 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 22:23:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 208 transitions. [2023-11-06 22:23:30,132 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 208 transitions. Word has length 58 [2023-11-06 22:23:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:30,132 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 208 transitions. [2023-11-06 22:23:30,133 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 22:23:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 208 transitions. [2023-11-06 22:23:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:23:30,133 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:30,134 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 22:23:30,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:23:30,134 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:30,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:30,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1480224482, now seen corresponding path program 2 times [2023-11-06 22:23:30,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:30,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097029506] [2023-11-06 22:23:30,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:30,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:30,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:30,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097029506] [2023-11-06 22:23:30,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097029506] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:30,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560382053] [2023-11-06 22:23:30,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:23:30,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:30,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:30,268 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:30,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:23:30,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:23:30,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:23:30,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:23:30,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-06 22:23:30,560 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:30,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560382053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:30,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:23:30,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2023-11-06 22:23:30,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922183506] [2023-11-06 22:23:30,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:30,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:23:30,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:30,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:23:30,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:23:30,562 INFO L87 Difference]: Start difference. First operand 180 states and 208 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 22:23:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:30,726 INFO L93 Difference]: Finished difference Result 181 states and 209 transitions. [2023-11-06 22:23:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:30,727 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 66 [2023-11-06 22:23:30,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:30,728 INFO L225 Difference]: With dead ends: 181 [2023-11-06 22:23:30,729 INFO L226 Difference]: Without dead ends: 178 [2023-11-06 22:23:30,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:23:30,732 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 56 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:30,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 94 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:30,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-06 22:23:30,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 177. [2023-11-06 22:23:30,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 171 states have (on average 1.1345029239766082) internal successors, (194), 176 states have internal predecessors, (194), 0 states have call successors, (0), 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 22:23:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 194 transitions. [2023-11-06 22:23:30,744 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 194 transitions. Word has length 66 [2023-11-06 22:23:30,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:30,745 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 194 transitions. [2023-11-06 22:23:30,745 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 22:23:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 194 transitions. [2023-11-06 22:23:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 22:23:30,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:30,746 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:30,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:30,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-06 22:23:30,952 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:30,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1357681236, now seen corresponding path program 2 times [2023-11-06 22:23:30,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:30,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358085220] [2023-11-06 22:23:30,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:30,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-06 22:23:31,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:31,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358085220] [2023-11-06 22:23:31,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358085220] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:31,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142410702] [2023-11-06 22:23:31,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:23:31,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:31,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:31,024 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:31,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:23:31,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:23:31,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:23:31,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:23:31,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-06 22:23:31,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:31,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142410702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:31,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:23:31,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-11-06 22:23:31,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976543967] [2023-11-06 22:23:31,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:31,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:31,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:31,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:31,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:31,120 INFO L87 Difference]: Start difference. First operand 177 states and 194 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:31,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:31,151 INFO L93 Difference]: Finished difference Result 177 states and 194 transitions. [2023-11-06 22:23:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:31,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-06 22:23:31,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:31,153 INFO L225 Difference]: With dead ends: 177 [2023-11-06 22:23:31,153 INFO L226 Difference]: Without dead ends: 175 [2023-11-06 22:23:31,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:31,156 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 14 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:31,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 57 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-06 22:23:31,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2023-11-06 22:23:31,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 171 states have (on average 1.087719298245614) internal successors, (186), 174 states have internal predecessors, (186), 0 states have call successors, (0), 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 22:23:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 186 transitions. [2023-11-06 22:23:31,168 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 186 transitions. Word has length 67 [2023-11-06 22:23:31,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:31,169 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 186 transitions. [2023-11-06 22:23:31,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 186 transitions. [2023-11-06 22:23:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:23:31,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:31,172 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:31,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:31,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-06 22:23:31,378 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:31,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:31,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1125287246, now seen corresponding path program 1 times [2023-11-06 22:23:31,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:31,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715171933] [2023-11-06 22:23:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:31,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:31,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:31,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715171933] [2023-11-06 22:23:31,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715171933] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:31,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783560106] [2023-11-06 22:23:31,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:31,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:31,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:31,510 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:31,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:23:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:31,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:31,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:31,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:31,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783560106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:31,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:23:31,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-06 22:23:31,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372525626] [2023-11-06 22:23:31,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:31,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:31,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:31,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:31,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:23:31,650 INFO L87 Difference]: Start difference. First operand 175 states and 186 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 22:23:31,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:31,744 INFO L93 Difference]: Finished difference Result 175 states and 186 transitions. [2023-11-06 22:23:31,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:23:31,745 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 68 [2023-11-06 22:23:31,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:31,746 INFO L225 Difference]: With dead ends: 175 [2023-11-06 22:23:31,746 INFO L226 Difference]: Without dead ends: 174 [2023-11-06 22:23:31,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 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 22:23:31,747 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 29 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:31,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 117 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-06 22:23:31,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2023-11-06 22:23:31,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 171 states have (on average 1.0818713450292399) internal successors, (185), 173 states have internal predecessors, (185), 0 states have call successors, (0), 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 22:23:31,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 185 transitions. [2023-11-06 22:23:31,759 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 185 transitions. Word has length 68 [2023-11-06 22:23:31,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:31,759 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 185 transitions. [2023-11-06 22:23:31,759 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 22:23:31,759 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 185 transitions. [2023-11-06 22:23:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-06 22:23:31,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:31,763 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 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 22:23:31,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:31,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:31,969 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:31,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:31,969 INFO L85 PathProgramCache]: Analyzing trace with hash 524166396, now seen corresponding path program 1 times [2023-11-06 22:23:31,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:31,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931008161] [2023-11-06 22:23:31,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:32,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931008161] [2023-11-06 22:23:32,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931008161] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124345773] [2023-11-06 22:23:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:32,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:32,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:32,101 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:32,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:23:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:32,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:32,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:32,247 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:32,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124345773] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:32,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:32,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-06 22:23:32,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105405826] [2023-11-06 22:23:32,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:32,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:23:32,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:32,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:23:32,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:23:32,303 INFO L87 Difference]: Start difference. First operand 174 states and 185 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 22:23:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:32,452 INFO L93 Difference]: Finished difference Result 199 states and 215 transitions. [2023-11-06 22:23:32,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:32,453 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 69 [2023-11-06 22:23:32,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:32,454 INFO L225 Difference]: With dead ends: 199 [2023-11-06 22:23:32,454 INFO L226 Difference]: Without dead ends: 198 [2023-11-06 22:23:32,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 131 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 22:23:32,456 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 75 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:32,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 155 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:32,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-06 22:23:32,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2023-11-06 22:23:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 195 states have (on average 1.087179487179487) internal successors, (212), 197 states have internal predecessors, (212), 0 states have call successors, (0), 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 22:23:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 212 transitions. [2023-11-06 22:23:32,468 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 212 transitions. Word has length 69 [2023-11-06 22:23:32,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:32,469 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 212 transitions. [2023-11-06 22:23:32,469 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 22:23:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 212 transitions. [2023-11-06 22:23:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-06 22:23:32,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:32,470 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:32,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:32,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:32,676 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:32,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:32,676 INFO L85 PathProgramCache]: Analyzing trace with hash 281027596, now seen corresponding path program 2 times [2023-11-06 22:23:32,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:32,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803129332] [2023-11-06 22:23:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:32,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 22:23:32,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:32,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803129332] [2023-11-06 22:23:32,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803129332] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:32,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919115616] [2023-11-06 22:23:32,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:23:32,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:32,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:32,948 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:32,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:23:33,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:23:33,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:23:33,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:23:33,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-06 22:23:33,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-06 22:23:33,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919115616] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:33,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:33,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2023-11-06 22:23:33,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379956261] [2023-11-06 22:23:33,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:33,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:23:33,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:33,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:23:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:23:33,363 INFO L87 Difference]: Start difference. First operand 198 states and 212 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 22:23:33,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:33,629 INFO L93 Difference]: Finished difference Result 207 states and 223 transitions. [2023-11-06 22:23:33,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:23:33,629 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 93 [2023-11-06 22:23:33,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:33,631 INFO L225 Difference]: With dead ends: 207 [2023-11-06 22:23:33,631 INFO L226 Difference]: Without dead ends: 156 [2023-11-06 22:23:33,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 182 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 22:23:33,632 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 120 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:33,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 99 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:33,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-06 22:23:33,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-11-06 22:23:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 154 states have (on average 1.051948051948052) internal successors, (162), 155 states have internal predecessors, (162), 0 states have call successors, (0), 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 22:23:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2023-11-06 22:23:33,642 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 93 [2023-11-06 22:23:33,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:33,642 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2023-11-06 22:23:33,647 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 22:23:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2023-11-06 22:23:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:23:33,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:33,648 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:33,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:33,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-06 22:23:33,854 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:33,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:33,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1343515447, now seen corresponding path program 1 times [2023-11-06 22:23:33,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:33,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208917714] [2023-11-06 22:23:33,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:33,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-06 22:23:33,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:33,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208917714] [2023-11-06 22:23:33,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208917714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:33,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:33,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:33,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287295425] [2023-11-06 22:23:33,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:33,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:33,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:33,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:33,977 INFO L87 Difference]: Start difference. First operand 156 states and 162 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 22:23:34,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:34,013 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2023-11-06 22:23:34,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:23:34,014 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 135 [2023-11-06 22:23:34,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:34,016 INFO L225 Difference]: With dead ends: 156 [2023-11-06 22:23:34,016 INFO L226 Difference]: Without dead ends: 155 [2023-11-06 22:23:34,016 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 22:23:34,017 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:34,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 38 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:34,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-06 22:23:34,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2023-11-06 22:23:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.0454545454545454) internal successors, (161), 154 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 161 transitions. [2023-11-06 22:23:34,030 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 161 transitions. Word has length 135 [2023-11-06 22:23:34,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:34,030 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 161 transitions. [2023-11-06 22:23:34,030 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 22:23:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 161 transitions. [2023-11-06 22:23:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:23:34,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:34,032 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 10, 10, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:34,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:23:34,033 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-06 22:23:34,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:34,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2109395253, now seen corresponding path program 2 times [2023-11-06 22:23:34,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:34,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753913671] [2023-11-06 22:23:34,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2023-11-06 22:23:34,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:34,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753913671] [2023-11-06 22:23:34,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753913671] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:34,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346132261] [2023-11-06 22:23:34,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:23:34,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:34,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:34,490 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:34,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:23:34,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:23:34,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:23:34,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:34,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-06 22:23:35,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-06 22:23:35,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346132261] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:35,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:35,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 3] total 8 [2023-11-06 22:23:35,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305655010] [2023-11-06 22:23:35,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:35,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:23:35,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:35,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:23:35,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:23:35,321 INFO L87 Difference]: Start difference. First operand 155 states and 161 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 22:23:35,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:35,377 INFO L93 Difference]: Finished difference Result 155 states and 161 transitions. [2023-11-06 22:23:35,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:23:35,378 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 142 [2023-11-06 22:23:35,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:35,378 INFO L225 Difference]: With dead ends: 155 [2023-11-06 22:23:35,379 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:23:35,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 278 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:23:35,380 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 40 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:35,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 15 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:35,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:23:35,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:23:35,383 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 22:23:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:23:35,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2023-11-06 22:23:35,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:35,384 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:23:35,384 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 22:23:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:23:35,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:23:35,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2023-11-06 22:23:35,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2023-11-06 22:23:35,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2023-11-06 22:23:35,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2023-11-06 22:23:35,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2023-11-06 22:23:35,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2023-11-06 22:23:35,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2023-11-06 22:23:35,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2023-11-06 22:23:35,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2023-11-06 22:23:35,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2023-11-06 22:23:35,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2023-11-06 22:23:35,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2023-11-06 22:23:35,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2023-11-06 22:23:35,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2023-11-06 22:23:35,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2023-11-06 22:23:35,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2023-11-06 22:23:35,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:35,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-06 22:23:35,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:23:35,981 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,981 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-11-06 22:23:35,981 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 40) no Hoare annotation was computed. [2023-11-06 22:23:35,981 INFO L899 garLoopResultBuilder]: For program point L27-4(lines 27 40) no Hoare annotation was computed. [2023-11-06 22:23:35,982 INFO L899 garLoopResultBuilder]: For program point L27-5(line 27) no Hoare annotation was computed. [2023-11-06 22:23:35,982 INFO L899 garLoopResultBuilder]: For program point L27-6(line 27) no Hoare annotation was computed. [2023-11-06 22:23:35,982 INFO L895 garLoopResultBuilder]: At program point L27-7(lines 27 40) the Hoare annotation is: (let ((.cse0 (<= 2 ~CELLCOUNT~0)) (.cse1 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse2 (<= ~CELLCOUNT~0 2147483647)) (.cse3 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4)))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse1 .cse2 .cse3) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 3) .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse3) (and .cse0 (= 2 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 .cse3))) [2023-11-06 22:23:35,982 INFO L899 garLoopResultBuilder]: For program point L27-8(lines 27 40) no Hoare annotation was computed. [2023-11-06 22:23:35,982 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-06 22:23:35,983 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-06 22:23:35,983 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2023-11-06 22:23:35,983 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 48) the Hoare annotation is: true [2023-11-06 22:23:35,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,983 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-06 22:23:35,983 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-06 22:23:35,984 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:23:35,984 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,984 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,984 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,984 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,984 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,984 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-06 22:23:35,985 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 39) no Hoare annotation was computed. [2023-11-06 22:23:35,985 INFO L899 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed. [2023-11-06 22:23:35,985 INFO L899 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed. [2023-11-06 22:23:35,985 INFO L895 garLoopResultBuilder]: At program point L29-5(lines 29 39) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~i~0#1| 536870911)) (.cse5 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse7 (= |ULTIMATE.start_main_~j~0#1| 4)) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse8 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse2 (<= |ULTIMATE.start_main_~j~0#1| 3)) (.cse3 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse4 (<= ~CELLCOUNT~0 2147483647)) (.cse6 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse6) (and .cse1 .cse8 .cse2 .cse3 .cse4 .cse6))) [2023-11-06 22:23:35,985 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,985 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:23:35,986 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2023-11-06 22:23:35,986 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-06 22:23:35,986 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2023-11-06 22:23:35,986 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 38) no Hoare annotation was computed. [2023-11-06 22:23:35,986 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2023-11-06 22:23:35,986 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-06 22:23:35,987 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:23:35,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,987 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 46) no Hoare annotation was computed. [2023-11-06 22:23:35,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-06 22:23:35,987 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 46) no Hoare annotation was computed. [2023-11-06 22:23:35,987 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2023-11-06 22:23:35,987 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2023-11-06 22:23:35,988 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2023-11-06 22:23:35,988 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:23:35,988 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,988 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,988 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,988 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,989 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-06 22:23:35,989 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 45) no Hoare annotation was computed. [2023-11-06 22:23:35,989 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2023-11-06 22:23:35,989 INFO L899 garLoopResultBuilder]: For program point L42-4(line 42) no Hoare annotation was computed. [2023-11-06 22:23:35,989 INFO L895 garLoopResultBuilder]: At program point L42-5(lines 42 45) the Hoare annotation is: (let ((.cse0 (<= 2 ~CELLCOUNT~0)) (.cse1 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse2 (<= ~CELLCOUNT~0 2147483647)) (.cse3 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 4) 4)))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3))) [2023-11-06 22:23:35,990 INFO L899 garLoopResultBuilder]: For program point L42-6(lines 42 45) no Hoare annotation was computed. [2023-11-06 22:23:35,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-06 22:23:35,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-06 22:23:35,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-06 22:23:35,993 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:35,996 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:23:36,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:23:36 BoogieIcfgContainer [2023-11-06 22:23:36,013 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:23:36,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:23:36,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:23:36,014 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:23:36,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:22" (3/4) ... [2023-11-06 22:23:36,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:23:36,026 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-06 22:23:36,027 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:23:36,027 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:23:36,028 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:23:36,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:23:36,141 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:23:36,141 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:23:36,142 INFO L158 Benchmark]: Toolchain (without parser) took 14697.26ms. Allocated memory was 130.0MB in the beginning and 251.7MB in the end (delta: 121.6MB). Free memory was 77.0MB in the beginning and 218.7MB in the end (delta: -141.8MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2023-11-06 22:23:36,142 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:23:36,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.95ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 66.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:23:36,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.66ms. Allocated memory is still 130.0MB. Free memory was 66.2MB in the beginning and 64.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:36,143 INFO L158 Benchmark]: Boogie Preprocessor took 45.15ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 64.3MB in the beginning and 144.2MB in the end (delta: -79.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-06 22:23:36,144 INFO L158 Benchmark]: RCFGBuilder took 398.83ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 130.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:23:36,144 INFO L158 Benchmark]: TraceAbstraction took 13801.87ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 129.8MB in the beginning and 116.5MB in the end (delta: 13.3MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2023-11-06 22:23:36,144 INFO L158 Benchmark]: Witness Printer took 127.56ms. Allocated memory is still 251.7MB. Free memory was 116.5MB in the beginning and 218.7MB in the end (delta: -102.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:23:36,146 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.95ms. Allocated memory is still 130.0MB. Free memory was 76.7MB in the beginning and 66.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.66ms. Allocated memory is still 130.0MB. Free memory was 66.2MB in the beginning and 64.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.15ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 64.3MB in the beginning and 144.2MB in the end (delta: -79.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 398.83ms. Allocated memory is still 174.1MB. Free memory was 144.2MB in the beginning and 130.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13801.87ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 129.8MB in the beginning and 116.5MB in the end (delta: 13.3MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * Witness Printer took 127.56ms. Allocated memory is still 251.7MB. Free memory was 116.5MB in the beginning and 218.7MB in the end (delta: -102.3MB). Peak memory consumption was 6.3MB. 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: 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: 13.7s, OverallIterations: 27, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1471 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1471 mSDsluCounter, 2547 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1586 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1993 IncrementalHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 961 mSDtfsCounter, 1993 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1349 GetRequests, 1136 SyntacticMatches, 11 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=24, InterpolantAutomatonStates: 187, 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, 156 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 31 NumberOfFragments, 205 HoareAnnotationTreeSize, 4 FomulaSimplifications, 207 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 418 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1884 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2288 ConstructedInterpolants, 0 QuantifiedInterpolants, 7354 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1415 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 46 InterpolantComputations, 20 PerfectInterpolantSequences, 3570/4044 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: 42]: Loop Invariant Derived loop invariant: ((((((1 <= i) && (2 <= CELLCOUNT)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4))) || (((((i == 0) && (2 <= CELLCOUNT)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4)))) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((2 <= CELLCOUNT) && (i == 1)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4))) || ((((((2 <= CELLCOUNT) && (j <= 3)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4)))) || (((((2 <= CELLCOUNT) && (2 == i)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4)))) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((i <= 536870911) && (2 <= CELLCOUNT)) && (j <= 3)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4))) || (((((((j == 4) && (i <= 536870911)) && (2 <= CELLCOUNT)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (2 <= i)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4)))) || ((((((j == 4) && (2 <= CELLCOUNT)) && (i == 1)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4)))) || ((((((2 <= CELLCOUNT) && (i == 1)) && (j <= 3)) && (2 == MINVAL)) && (CELLCOUNT <= 2147483647)) && (CELLCOUNT == ((CELLCOUNT / 4) * 4)))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:23:36,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c7b526c-1750-478f-8351-cf929a6491e2/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