./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/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_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/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 64bit --witnessprinter.graph.data.programhash ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:26,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:26,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 21:53:26,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:26,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:26,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:26,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:26,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:26,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:26,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:26,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:26,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:26,764 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:26,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:26,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:26,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:26,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:26,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:26,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:26,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:26,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 21:53:26,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:53:26,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:26,770 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:26,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:26,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:26,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:26,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:26,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:26,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:26,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:26,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:26,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:26,776 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:26,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:26,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:26,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:26,778 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:26,778 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_ce2a9b05-96ba-4921-930b-3addb5009b37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d [2023-11-06 21:53:27,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:27,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:27,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:27,114 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:27,115 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:27,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2023-11-06 21:53:30,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:30,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:30,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2023-11-06 21:53:30,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/data/bb547aa0a/edf8fc58c13c4935b8e87ed0065d3e37/FLAGeaa597b51 [2023-11-06 21:53:30,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/data/bb547aa0a/edf8fc58c13c4935b8e87ed0065d3e37 [2023-11-06 21:53:30,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:30,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:30,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:30,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:30,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:30,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5502e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:30, skipping insertion in model container [2023-11-06 21:53:30,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:30" (1/1) ... [2023-11-06 21:53:30,623 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:30,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:30,963 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:31,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:31,063 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:31,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31 WrapperNode [2023-11-06 21:53:31,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:31,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:31,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:31,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:31,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,123 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-06 21:53:31,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:31,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:31,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:31,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:31,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:31,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:31,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:31,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:31,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (1/1) ... [2023-11-06 21:53:31,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:31,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:31,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:53:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:53:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:53:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:53:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:31,397 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:31,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:31,569 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:31,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:31,576 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:53:31,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31 BoogieIcfgContainer [2023-11-06 21:53:31,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:31,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:31,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:31,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:31,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:30" (1/3) ... [2023-11-06 21:53:31,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564890de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:31" (2/3) ... [2023-11-06 21:53:31,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564890de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:31, skipping insertion in model container [2023-11-06 21:53:31,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/3) ... [2023-11-06 21:53:31,608 INFO L112 eAbstractionObserver]: Analyzing ICFG selectionsort-alloca-2.i [2023-11-06 21:53:31,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:31,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 21:53:31,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:31,706 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;@7c144a5f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:31,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 21:53:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 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 21:53:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 21:53:31,716 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:31,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 21:53:31,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:31,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:31,723 INFO L85 PathProgramCache]: Analyzing trace with hash 28693830, now seen corresponding path program 1 times [2023-11-06 21:53:31,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:31,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074538796] [2023-11-06 21:53:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:31,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:31,976 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 21:53:31,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:31,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074538796] [2023-11-06 21:53:31,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074538796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:31,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:31,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:53:31,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698445516] [2023-11-06 21:53:31,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:31,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:31,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:32,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:32,018 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,081 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2023-11-06 21:53:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:32,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-06 21:53:32,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,093 INFO L225 Difference]: With dead ends: 53 [2023-11-06 21:53:32,094 INFO L226 Difference]: Without dead ends: 23 [2023-11-06 21:53:32,097 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 21:53:32,101 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 48 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:32,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:32,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-06 21:53:32,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-06 21:53:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.625) internal successors, (26), 22 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 21:53:32,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-11-06 21:53:32,140 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 5 [2023-11-06 21:53:32,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,140 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-11-06 21:53:32,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-06 21:53:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 21:53:32,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:53:32,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:32,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,144 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2023-11-06 21:53:32,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619175104] [2023-11-06 21:53:32,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:32,288 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 21:53:32,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:32,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619175104] [2023-11-06 21:53:32,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619175104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:32,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:32,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:53:32,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603489694] [2023-11-06 21:53:32,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:32,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:32,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:32,292 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,349 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2023-11-06 21:53:32,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:32,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-06 21:53:32,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,351 INFO L225 Difference]: With dead ends: 43 [2023-11-06 21:53:32,351 INFO L226 Difference]: Without dead ends: 42 [2023-11-06 21:53:32,352 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 21:53:32,354 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 40 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:32,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:32,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-06 21:53:32,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2023-11-06 21:53:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states 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 21:53:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2023-11-06 21:53:32,364 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 6 [2023-11-06 21:53:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,364 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2023-11-06 21:53:32,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2023-11-06 21:53:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 21:53:32,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:53:32,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:32,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,367 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2023-11-06 21:53:32,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038595180] [2023-11-06 21:53:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:32,442 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 21:53:32,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:32,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038595180] [2023-11-06 21:53:32,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038595180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:32,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:32,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:53:32,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366955955] [2023-11-06 21:53:32,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:32,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:32,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:32,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:32,445 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,473 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2023-11-06 21:53:32,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:32,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-06 21:53:32,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,475 INFO L225 Difference]: With dead ends: 36 [2023-11-06 21:53:32,476 INFO L226 Difference]: Without dead ends: 35 [2023-11-06 21:53:32,476 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 21:53:32,478 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 40 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:32,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 20 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:32,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-06 21:53:32,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2023-11-06 21:53:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5625) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-11-06 21:53:32,489 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 6 [2023-11-06 21:53:32,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,489 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-06 21:53:32,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-06 21:53:32,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 21:53:32,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:53:32,491 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:32,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,499 INFO L85 PathProgramCache]: Analyzing trace with hash 119443466, now seen corresponding path program 1 times [2023-11-06 21:53:32,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018297402] [2023-11-06 21:53:32,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:32,569 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 21:53:32,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:32,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018297402] [2023-11-06 21:53:32,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018297402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:32,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:32,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:53:32,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303033223] [2023-11-06 21:53:32,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:32,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:53:32,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:53:32,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:53:32,574 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,610 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-11-06 21:53:32,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:53:32,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 21:53:32,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,612 INFO L225 Difference]: With dead ends: 40 [2023-11-06 21:53:32,612 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 21:53:32,613 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 21:53:32,616 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:32,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 33 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:32,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 21:53:32,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2023-11-06 21:53:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 21:53:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2023-11-06 21:53:32,626 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 8 [2023-11-06 21:53:32,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,627 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2023-11-06 21:53:32,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-06 21:53:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 21:53:32,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:53:32,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:32,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,630 INFO L85 PathProgramCache]: Analyzing trace with hash 905801783, now seen corresponding path program 1 times [2023-11-06 21:53:32,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153651688] [2023-11-06 21:53:32,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:32,749 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 21:53:32,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:32,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153651688] [2023-11-06 21:53:32,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153651688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:32,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:32,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:53:32,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843455619] [2023-11-06 21:53:32,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:32,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:32,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:32,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:32,756 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,827 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2023-11-06 21:53:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:53:32,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-06 21:53:32,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,829 INFO L225 Difference]: With dead ends: 39 [2023-11-06 21:53:32,829 INFO L226 Difference]: Without dead ends: 38 [2023-11-06 21:53:32,829 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 21:53:32,832 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:32,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 44 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:53:32,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-06 21:53:32,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2023-11-06 21:53:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states 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 21:53:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2023-11-06 21:53:32,841 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 12 [2023-11-06 21:53:32,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,842 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2023-11-06 21:53:32,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-06 21:53:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 21:53:32,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:53:32,843 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:32,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1984915726, now seen corresponding path program 1 times [2023-11-06 21:53:32,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131483691] [2023-11-06 21:53:32,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:32,902 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 21:53:32,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:32,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131483691] [2023-11-06 21:53:32,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131483691] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:32,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:32,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:53:32,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483583225] [2023-11-06 21:53:32,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:32,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:32,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:32,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:32,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:32,906 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:32,965 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2023-11-06 21:53:32,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 21:53:32,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-06 21:53:32,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:32,967 INFO L225 Difference]: With dead ends: 46 [2023-11-06 21:53:32,967 INFO L226 Difference]: Without dead ends: 45 [2023-11-06 21:53:32,968 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 21:53:32,969 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:32,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 42 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:32,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-06 21:53:32,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2023-11-06 21:53:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.4375) internal successors, (46), 37 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 21:53:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2023-11-06 21:53:32,980 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 13 [2023-11-06 21:53:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:32,982 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-11-06 21:53:32,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-06 21:53:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 21:53:32,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:32,984 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:32,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:53:32,986 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:32,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:32,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2132446729, now seen corresponding path program 1 times [2023-11-06 21:53:32,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:32,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366947829] [2023-11-06 21:53:32,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 21:53:33,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:33,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366947829] [2023-11-06 21:53:33,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366947829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:33,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:33,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:53:33,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365914446] [2023-11-06 21:53:33,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:33,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:33,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:33,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:33,095 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 4 states, 4 states have (on average 3.5) 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 21:53:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:33,138 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2023-11-06 21:53:33,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:33,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) 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 17 [2023-11-06 21:53:33,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:33,140 INFO L225 Difference]: With dead ends: 73 [2023-11-06 21:53:33,140 INFO L226 Difference]: Without dead ends: 38 [2023-11-06 21:53:33,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 21:53:33,141 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:33,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 53 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:33,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-06 21:53:33,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-06 21:53:33,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 32 states have (on average 1.40625) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2023-11-06 21:53:33,149 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 17 [2023-11-06 21:53:33,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:33,149 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2023-11-06 21:53:33,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) 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 21:53:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-06 21:53:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 21:53:33,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:33,151 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:33,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 21:53:33,151 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:33,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:33,152 INFO L85 PathProgramCache]: Analyzing trace with hash 882656889, now seen corresponding path program 1 times [2023-11-06 21:53:33,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:33,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261424137] [2023-11-06 21:53:33,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:33,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:53:33,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:33,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261424137] [2023-11-06 21:53:33,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261424137] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:53:33,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522410696] [2023-11-06 21:53:33,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:33,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:33,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:33,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:53:33,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:53:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:33,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:53:33,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:33,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:53:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:33,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522410696] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:53:33,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:53:33,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-11-06 21:53:33,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082945057] [2023-11-06 21:53:33,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:53:33,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 21:53:33,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:33,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 21:53:33,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 21:53:33,535 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 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 21:53:33,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:33,903 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2023-11-06 21:53:33,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 21:53:33,904 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 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 17 [2023-11-06 21:53:33,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:33,907 INFO L225 Difference]: With dead ends: 105 [2023-11-06 21:53:33,907 INFO L226 Difference]: Without dead ends: 102 [2023-11-06 21:53:33,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=363, Unknown=0, NotChecked=0, Total=552 [2023-11-06 21:53:33,910 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 331 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:33,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 21 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:53:33,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-06 21:53:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 45. [2023-11-06 21:53:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.35) internal successors, (54), 44 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 21:53:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2023-11-06 21:53:33,936 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 17 [2023-11-06 21:53:33,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:33,937 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2023-11-06 21:53:33,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 10 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 21:53:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-11-06 21:53:33,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 21:53:33,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:33,938 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:33,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:34,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:34,144 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:34,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:34,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1164969723, now seen corresponding path program 1 times [2023-11-06 21:53:34,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:34,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306564466] [2023-11-06 21:53:34,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:34,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:34,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:34,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306564466] [2023-11-06 21:53:34,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306564466] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:53:34,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131611557] [2023-11-06 21:53:34,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:34,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:34,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:34,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:53:34,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 21:53:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:34,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:53:34,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:53:34,318 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:53:34,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131611557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:34,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:53:34,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2023-11-06 21:53:34,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422369447] [2023-11-06 21:53:34,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:34,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:34,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:34,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:34,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:53:34,321 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 4 states, 4 states have (on average 4.25) 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 21:53:34,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:34,369 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2023-11-06 21:53:34,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:34,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) 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 21:53:34,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:34,371 INFO L225 Difference]: With dead ends: 80 [2023-11-06 21:53:34,371 INFO L226 Difference]: Without dead ends: 48 [2023-11-06 21:53:34,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:53:34,372 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:34,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 14 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:34,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-06 21:53:34,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-06 21:53:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 47 states have internal predecessors, (57), 0 states have call successors, (0), 0 states 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 21:53:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2023-11-06 21:53:34,381 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 17 [2023-11-06 21:53:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:34,382 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2023-11-06 21:53:34,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) 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 21:53:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-06 21:53:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 21:53:34,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:34,383 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:34,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:34,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:34,590 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:34,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash -305940342, now seen corresponding path program 1 times [2023-11-06 21:53:34,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:34,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655512109] [2023-11-06 21:53:34,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:53:34,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:34,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655512109] [2023-11-06 21:53:34,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655512109] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:53:34,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525610696] [2023-11-06 21:53:34,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:34,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:34,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:34,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:53:34,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 21:53:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:34,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:53:34,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:34,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:53:34,791 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:53:34,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525610696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:34,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:53:34,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 21:53:34,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310669856] [2023-11-06 21:53:34,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:34,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:34,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:34,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:34,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:53:34,794 INFO L87 Difference]: Start difference. First operand 48 states and 57 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 21:53:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:34,825 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2023-11-06 21:53:34,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:34,825 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 21 [2023-11-06 21:53:34,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:34,826 INFO L225 Difference]: With dead ends: 48 [2023-11-06 21:53:34,826 INFO L226 Difference]: Without dead ends: 46 [2023-11-06 21:53:34,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 21:53:34,827 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:34,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 32 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:34,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-06 21:53:34,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-06 21:53:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 45 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 21:53:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2023-11-06 21:53:34,837 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 21 [2023-11-06 21:53:34,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:34,837 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2023-11-06 21:53:34,837 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 21:53:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-11-06 21:53:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 21:53:34,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:34,839 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:34,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:35,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 21:53:35,045 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:35,045 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:35,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2094684343, now seen corresponding path program 1 times [2023-11-06 21:53:35,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:35,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258571194] [2023-11-06 21:53:35,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:35,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 21:53:35,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:35,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258571194] [2023-11-06 21:53:35,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258571194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:35,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:35,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:53:35,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506228106] [2023-11-06 21:53:35,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:35,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:53:35,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:35,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:53:35,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:53:35,107 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:35,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:35,155 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2023-11-06 21:53:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:53:35,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2023-11-06 21:53:35,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:35,157 INFO L225 Difference]: With dead ends: 46 [2023-11-06 21:53:35,157 INFO L226 Difference]: Without dead ends: 45 [2023-11-06 21:53:35,158 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 21:53:35,160 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 23 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 17 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 21:53:35,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 17 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:53:35,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-06 21:53:35,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-06 21:53:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 43 states have (on average 1.186046511627907) internal successors, (51), 44 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 21:53:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2023-11-06 21:53:35,183 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 25 [2023-11-06 21:53:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:35,185 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2023-11-06 21:53:35,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:53:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-06 21:53:35,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 21:53:35,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:35,190 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-06 21:53:35,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 21:53:35,190 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:53:35,190 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash 329512111, now seen corresponding path program 1 times [2023-11-06 21:53:35,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:35,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070305044] [2023-11-06 21:53:35,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-06 21:53:35,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:35,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070305044] [2023-11-06 21:53:35,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070305044] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:53:35,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27556647] [2023-11-06 21:53:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:35,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:53:35,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:35,280 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:53:35,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 21:53:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:35,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 21:53:35,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:53:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 21:53:35,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:53:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 21:53:35,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27556647] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:53:35,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:53:35,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 8 [2023-11-06 21:53:35,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896632312] [2023-11-06 21:53:35,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:53:35,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:53:35,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:35,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:53:35,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:53:35,472 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 21:53:35,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:53:35,603 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2023-11-06 21:53:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 21:53:35,604 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 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 21:53:35,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:53:35,604 INFO L225 Difference]: With dead ends: 104 [2023-11-06 21:53:35,604 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 21:53:35,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 64 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-06 21:53:35,606 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 40 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:53:35,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 28 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:53:35,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 21:53:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 21:53:35,607 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 21:53:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 21:53:35,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-11-06 21:53:35,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:53:35,608 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:53:35,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 21:53:35,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:53:35,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 21:53:35,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-06 21:53:35,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-06 21:53:35,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 21:53:35,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 21:53:35,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 21:53:35,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 21:53:35,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 21:53:35,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 21:53:35,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 21:53:35,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 21:53:35,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 21:53:36,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2023-11-06 21:53:36,746 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 557) no Hoare annotation was computed. [2023-11-06 21:53:36,747 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 564 572) the Hoare annotation is: (<= 1 |ULTIMATE.start_main_~array_size~0#1|) [2023-11-06 21:53:36,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2023-11-06 21:53:36,747 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 21:53:36,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2023-11-06 21:53:36,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2023-11-06 21:53:36,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 21:53:36,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2023-11-06 21:53:36,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 568) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L566-2(lines 566 568) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L554-1(line 554) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L554-4(lines 554 558) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L550-1(line 550) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L554-5(line 554) no Hoare annotation was computed. [2023-11-06 21:53:36,748 INFO L899 garLoopResultBuilder]: For program point L550-2(lines 550 562) no Hoare annotation was computed. [2023-11-06 21:53:36,749 INFO L895 garLoopResultBuilder]: At program point L554-6(lines 554 558) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~array_size~0#1| 2147483647)) (.cse1 (<= |ULTIMATE.start_SelectionSort_~array_size#1| 2147483647)) (.cse2 (<= (+ |ULTIMATE.start_SelectionSort_~i~0#1| 2) |ULTIMATE.start_SelectionSort_~array_size#1|)) (.cse3 (<= 1 |ULTIMATE.start_SelectionSort_~array_size#1|)) (.cse4 (<= 1 |ULTIMATE.start_main_~array_size~0#1|))) (or (and (= |ULTIMATE.start_SelectionSort_~i~0#1| 0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_SelectionSort_~j~0#1|) .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 0 (+ |ULTIMATE.start_SelectionSort_~j~0#1| 2147483648)) (<= 1 |ULTIMATE.start_SelectionSort_~i~0#1|) .cse3 .cse4))) [2023-11-06 21:53:36,749 INFO L899 garLoopResultBuilder]: For program point L554-7(lines 554 558) no Hoare annotation was computed. [2023-11-06 21:53:36,749 INFO L899 garLoopResultBuilder]: For program point L550-4(lines 550 562) no Hoare annotation was computed. [2023-11-06 21:53:36,749 INFO L899 garLoopResultBuilder]: For program point L550-5(line 550) no Hoare annotation was computed. [2023-11-06 21:53:36,749 INFO L895 garLoopResultBuilder]: At program point L550-6(lines 550 562) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~array_size~0#1| 2147483647)) (.cse1 (<= |ULTIMATE.start_SelectionSort_~array_size#1| 2147483647)) (.cse2 (<= 1 |ULTIMATE.start_SelectionSort_~array_size#1|)) (.cse3 (<= 1 |ULTIMATE.start_main_~array_size~0#1|))) (or (and .cse0 .cse1 (<= 0 (+ |ULTIMATE.start_SelectionSort_~j~0#1| 2147483648)) (<= 1 |ULTIMATE.start_SelectionSort_~i~0#1|) .cse2 .cse3) (and (= |ULTIMATE.start_SelectionSort_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3))) [2023-11-06 21:53:36,749 INFO L899 garLoopResultBuilder]: For program point L550-7(lines 550 562) no Hoare annotation was computed. [2023-11-06 21:53:36,749 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 554) no Hoare annotation was computed. [2023-11-06 21:53:36,750 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2023-11-06 21:53:36,750 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 563) no Hoare annotation was computed. [2023-11-06 21:53:36,753 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:53:36,755 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:53:36,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:53:36 BoogieIcfgContainer [2023-11-06 21:53:36,772 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:53:36,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:53:36,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:53:36,773 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:53:36,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:31" (3/4) ... [2023-11-06 21:53:36,776 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:53:36,786 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 21:53:36,786 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 21:53:36,787 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 21:53:36,787 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:53:36,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:53:36,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:53:36,861 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:53:36,862 INFO L158 Benchmark]: Toolchain (without parser) took 6300.17ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 93.4MB in the beginning and 118.6MB in the end (delta: -25.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-06 21:53:36,862 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:53:36,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.68ms. Allocated memory is still 138.4MB. Free memory was 93.4MB in the beginning and 77.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:53:36,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.86ms. Allocated memory is still 138.4MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:36,865 INFO L158 Benchmark]: Boogie Preprocessor took 38.28ms. Allocated memory is still 138.4MB. Free memory was 75.2MB in the beginning and 74.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:53:36,865 INFO L158 Benchmark]: RCFGBuilder took 414.93ms. Allocated memory is still 138.4MB. Free memory was 74.1MB in the beginning and 108.2MB in the end (delta: -34.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-06 21:53:36,866 INFO L158 Benchmark]: TraceAbstraction took 5172.17ms. Allocated memory is still 182.5MB. Free memory was 153.3MB in the beginning and 122.8MB in the end (delta: 30.5MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2023-11-06 21:53:36,866 INFO L158 Benchmark]: Witness Printer took 88.87ms. Allocated memory is still 182.5MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:53:36,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.68ms. Allocated memory is still 138.4MB. Free memory was 93.4MB in the beginning and 77.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.86ms. Allocated memory is still 138.4MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.28ms. Allocated memory is still 138.4MB. Free memory was 75.2MB in the beginning and 74.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.93ms. Allocated memory is still 138.4MB. Free memory was 74.1MB in the beginning and 108.2MB in the end (delta: -34.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5172.17ms. Allocated memory is still 182.5MB. Free memory was 153.3MB in the beginning and 122.8MB in the end (delta: 30.5MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. * Witness Printer took 88.87ms. Allocated memory is still 182.5MB. Free memory was 122.8MB in the beginning and 118.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: 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, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 618 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 618 mSDsluCounter, 396 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 388 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 184 mSDtfsCounter, 388 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=9, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 89 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 19 NumberOfFragments, 92 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1907 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2249 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 736 SizeOfPredicates, 4 NumberOfNonLiveVariables, 326 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 100/125 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 8 specifications checked. All of them hold - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (1 <= array_size) - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: ((((((((i == 0) && (array_size <= 2147483647)) && (array_size <= 2147483647)) && ((i + 2) <= array_size)) && (1 <= j)) && (1 <= array_size)) && (1 <= array_size)) || (((((((array_size <= 2147483647) && (array_size <= 2147483647)) && ((i + 2) <= array_size)) && (0 <= (j + 2147483648))) && (1 <= i)) && (1 <= array_size)) && (1 <= array_size))) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((array_size <= 2147483647) && (array_size <= 2147483647)) && (0 <= (j + 2147483648))) && (1 <= i)) && (1 <= array_size)) && (1 <= array_size)) || (((((i == 0) && (array_size <= 2147483647)) && (array_size <= 2147483647)) && (1 <= array_size)) && (1 <= array_size))) RESULT: Ultimate proved your program to be correct! [2023-11-06 21:53:36,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce2a9b05-96ba-4921-930b-3addb5009b37/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