./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:46,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:46,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:03:46,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:46,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:46,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:46,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:46,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:46,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:03:46,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:03:46,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:46,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:46,325 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:46,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:46,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:03:46,328 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:03:46,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:46,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:03:46,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:46,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:03:46,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:03:46,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:03:46,333 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:03:46,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:03:46,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:03:46,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:46,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:46,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:46,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:46,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:03:46,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:46,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:46,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:03:46,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:03:46,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:46,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:03:46,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:03:46,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:03:46,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:03:46,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:03:46,343 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:03:46,344 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_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 [2023-11-19 08:03:46,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:46,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:46,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:46,754 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:46,755 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:46,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2023-11-19 08:03:50,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:03:50,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:03:50,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2023-11-19 08:03:50,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/data/b7ab2c8e3/f2be9c7217934b528499b49be6dbf336/FLAGefce8db09 [2023-11-19 08:03:50,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/data/b7ab2c8e3/f2be9c7217934b528499b49be6dbf336 [2023-11-19 08:03:50,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:03:50,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:03:50,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:50,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:03:50,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:03:50,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4293c737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50, skipping insertion in model container [2023-11-19 08:03:50,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:03:50,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:50,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:03:50,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:50,676 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:03:50,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50 WrapperNode [2023-11-19 08:03:50,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:50,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:50,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:03:50,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:03:50,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,726 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2023-11-19 08:03:50,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:50,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:03:50,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:03:50,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:03:50,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:03:50,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:03:50,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:03:50,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:03:50,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (1/1) ... [2023-11-19 08:03:50,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:50,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:50,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:50,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:03:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:03:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:03:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:03:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:03:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 08:03:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 08:03:50,938 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:03:50,941 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:51,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:51,550 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:51,550 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:03:51,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:51 BoogieIcfgContainer [2023-11-19 08:03:51,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:51,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:51,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:51,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:51,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:03:50" (1/3) ... [2023-11-19 08:03:51,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb5ab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:51, skipping insertion in model container [2023-11-19 08:03:51,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:50" (2/3) ... [2023-11-19 08:03:51,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb5ab6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:51, skipping insertion in model container [2023-11-19 08:03:51,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:51" (3/3) ... [2023-11-19 08:03:51,574 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound2.c [2023-11-19 08:03:51,604 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:51,604 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-11-19 08:03:51,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:51,686 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70481557, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:51,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-19 08:03:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 74 states have (on average 1.8783783783783783) internal successors, (139), 134 states have internal predecessors, (139), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:03:51,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 08:03:51,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:51,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:03:51,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:51,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:51,715 INFO L85 PathProgramCache]: Analyzing trace with hash 889508915, now seen corresponding path program 1 times [2023-11-19 08:03:51,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:51,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859336348] [2023-11-19 08:03:51,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:51,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:51,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:51,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859336348] [2023-11-19 08:03:51,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:03:51,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377779078] [2023-11-19 08:03:51,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:51,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:51,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:51,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:51,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:03:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:51,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:03:51,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:52,017 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:52,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377779078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:52,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:52,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:52,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361201601] [2023-11-19 08:03:52,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:52,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:03:52,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:52,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:03:52,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:03:52,064 INFO L87 Difference]: Start difference. First operand has 139 states, 74 states have (on average 1.8783783783783783) internal successors, (139), 134 states have internal predecessors, (139), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:52,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:52,113 INFO L93 Difference]: Finished difference Result 264 states and 288 transitions. [2023-11-19 08:03:52,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:03:52,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-19 08:03:52,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:52,127 INFO L225 Difference]: With dead ends: 264 [2023-11-19 08:03:52,127 INFO L226 Difference]: Without dead ends: 122 [2023-11-19 08:03:52,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:03:52,136 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:52,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:52,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-19 08:03:52,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-11-19 08:03:52,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7246376811594204) internal successors, (119), 118 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:03:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2023-11-19 08:03:52,215 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 6 [2023-11-19 08:03:52,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:52,217 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2023-11-19 08:03:52,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2023-11-19 08:03:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 08:03:52,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:52,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:03:52,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:52,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:03:52,434 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:52,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:52,435 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2023-11-19 08:03:52,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:52,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022620493] [2023-11-19 08:03:52,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:52,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:52,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:52,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022620493] [2023-11-19 08:03:52,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022620493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:52,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:52,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:52,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172172038] [2023-11-19 08:03:52,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:52,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:52,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:52,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:52,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:52,565 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:52,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:52,763 INFO L93 Difference]: Finished difference Result 236 states and 239 transitions. [2023-11-19 08:03:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:52,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-19 08:03:52,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:52,767 INFO L225 Difference]: With dead ends: 236 [2023-11-19 08:03:52,768 INFO L226 Difference]: Without dead ends: 225 [2023-11-19 08:03:52,768 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 [2023-11-19 08:03:52,770 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 100 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:52,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 184 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:03:52,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-19 08:03:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 175. [2023-11-19 08:03:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 120 states have (on average 1.675) internal successors, (201), 169 states have internal predecessors, (201), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 08:03:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 209 transitions. [2023-11-19 08:03:52,794 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 209 transitions. Word has length 6 [2023-11-19 08:03:52,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:52,795 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 209 transitions. [2023-11-19 08:03:52,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 209 transitions. [2023-11-19 08:03:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 08:03:52,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:52,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:52,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:03:52,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:52,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:52,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1186601808, now seen corresponding path program 1 times [2023-11-19 08:03:52,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:52,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737458313] [2023-11-19 08:03:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:52,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:52,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:52,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051288633] [2023-11-19 08:03:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:52,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:52,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:52,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:52,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:03:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:52,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:52,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:52,941 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:52,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:52,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737458313] [2023-11-19 08:03:52,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:52,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051288633] [2023-11-19 08:03:52,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051288633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:52,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:52,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:52,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338600986] [2023-11-19 08:03:52,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:52,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:52,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:52,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:52,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:52,950 INFO L87 Difference]: Start difference. First operand 175 states and 209 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:53,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:53,245 INFO L93 Difference]: Finished difference Result 214 states and 217 transitions. [2023-11-19 08:03:53,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:53,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-19 08:03:53,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:53,253 INFO L225 Difference]: With dead ends: 214 [2023-11-19 08:03:53,253 INFO L226 Difference]: Without dead ends: 187 [2023-11-19 08:03:53,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:53,259 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 58 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:53,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 95 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:03:53,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-19 08:03:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 179. [2023-11-19 08:03:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 124 states have (on average 1.467741935483871) internal successors, (182), 173 states have internal predecessors, (182), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 08:03:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 190 transitions. [2023-11-19 08:03:53,298 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 190 transitions. Word has length 9 [2023-11-19 08:03:53,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:53,299 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 190 transitions. [2023-11-19 08:03:53,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 190 transitions. [2023-11-19 08:03:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 08:03:53,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:53,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:53,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:53,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:53,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:53,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2083520750, now seen corresponding path program 1 times [2023-11-19 08:03:53,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:53,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874377212] [2023-11-19 08:03:53,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:53,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:53,530 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:53,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587056328] [2023-11-19 08:03:53,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:53,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:53,536 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:53,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:03:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:53,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:53,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:53,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:53,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:53,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874377212] [2023-11-19 08:03:53,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:53,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587056328] [2023-11-19 08:03:53,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587056328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:53,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:53,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:53,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829393409] [2023-11-19 08:03:53,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:53,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:53,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:53,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:53,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:53,641 INFO L87 Difference]: Start difference. First operand 179 states and 190 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:53,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:53,847 INFO L93 Difference]: Finished difference Result 198 states and 201 transitions. [2023-11-19 08:03:53,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:53,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-19 08:03:53,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:53,849 INFO L225 Difference]: With dead ends: 198 [2023-11-19 08:03:53,849 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 08:03:53,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:53,851 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 113 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:53,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:03:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 08:03:53,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 151. [2023-11-19 08:03:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.5360824742268042) internal successors, (149), 146 states have internal predecessors, (149), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:03:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2023-11-19 08:03:53,864 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 14 [2023-11-19 08:03:53,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:53,865 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2023-11-19 08:03:53,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2023-11-19 08:03:53,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 08:03:53,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:53,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:53,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:54,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:54,081 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:54,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:54,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1440892529, now seen corresponding path program 1 times [2023-11-19 08:03:54,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:54,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794188563] [2023-11-19 08:03:54,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:54,098 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:54,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [356341177] [2023-11-19 08:03:54,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:54,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:54,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:54,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:03:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:54,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:54,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:54,259 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:54,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:54,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794188563] [2023-11-19 08:03:54,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:54,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356341177] [2023-11-19 08:03:54,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356341177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:54,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:54,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:54,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457870947] [2023-11-19 08:03:54,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:54,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:54,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:54,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:54,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,263 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:54,278 INFO L93 Difference]: Finished difference Result 151 states and 155 transitions. [2023-11-19 08:03:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:54,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2023-11-19 08:03:54,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:54,280 INFO L225 Difference]: With dead ends: 151 [2023-11-19 08:03:54,281 INFO L226 Difference]: Without dead ends: 150 [2023-11-19 08:03:54,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,282 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 86 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:54,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 124 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-19 08:03:54,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2023-11-19 08:03:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 145 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:03:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 153 transitions. [2023-11-19 08:03:54,299 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 153 transitions. Word has length 34 [2023-11-19 08:03:54,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:54,301 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 153 transitions. [2023-11-19 08:03:54,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 153 transitions. [2023-11-19 08:03:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 08:03:54,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:54,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:54,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:54,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:54,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:54,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:54,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1717995337, now seen corresponding path program 1 times [2023-11-19 08:03:54,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:54,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734405272] [2023-11-19 08:03:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:54,521 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:54,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594703978] [2023-11-19 08:03:54,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:54,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:54,524 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:54,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:03:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:54,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:03:54,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:54,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:54,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:54,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734405272] [2023-11-19 08:03:54,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:54,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594703978] [2023-11-19 08:03:54,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594703978] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:54,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:54,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:54,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262150942] [2023-11-19 08:03:54,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:54,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:54,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:54,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:54,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,677 INFO L87 Difference]: Start difference. First operand 150 states and 153 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:54,705 INFO L93 Difference]: Finished difference Result 151 states and 153 transitions. [2023-11-19 08:03:54,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:54,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2023-11-19 08:03:54,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:54,707 INFO L225 Difference]: With dead ends: 151 [2023-11-19 08:03:54,708 INFO L226 Difference]: Without dead ends: 150 [2023-11-19 08:03:54,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,712 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:54,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 234 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-19 08:03:54,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2023-11-19 08:03:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 97 states have (on average 1.5051546391752577) internal successors, (146), 145 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:03:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 152 transitions. [2023-11-19 08:03:54,725 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 152 transitions. Word has length 35 [2023-11-19 08:03:54,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:54,725 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 152 transitions. [2023-11-19 08:03:54,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 152 transitions. [2023-11-19 08:03:54,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 08:03:54,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:54,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:54,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:54,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 08:03:54,945 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:54,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:54,946 INFO L85 PathProgramCache]: Analyzing trace with hash -899602629, now seen corresponding path program 1 times [2023-11-19 08:03:54,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:54,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467302484] [2023-11-19 08:03:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:54,959 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:54,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526229228] [2023-11-19 08:03:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:54,965 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:54,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:03:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:55,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:03:55,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:55,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:55,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:55,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467302484] [2023-11-19 08:03:55,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:55,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526229228] [2023-11-19 08:03:55,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526229228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:55,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:55,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:55,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826248636] [2023-11-19 08:03:55,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:55,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:55,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:55,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:55,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:55,118 INFO L87 Difference]: Start difference. First operand 150 states and 152 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:55,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:55,485 INFO L93 Difference]: Finished difference Result 263 states and 267 transitions. [2023-11-19 08:03:55,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:55,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2023-11-19 08:03:55,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:55,488 INFO L225 Difference]: With dead ends: 263 [2023-11-19 08:03:55,488 INFO L226 Difference]: Without dead ends: 237 [2023-11-19 08:03:55,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:55,490 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 83 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:55,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 104 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:03:55,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2023-11-19 08:03:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 212. [2023-11-19 08:03:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 157 states have (on average 1.4522292993630572) internal successors, (228), 205 states have internal predecessors, (228), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 08:03:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 238 transitions. [2023-11-19 08:03:55,502 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 238 transitions. Word has length 39 [2023-11-19 08:03:55,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:55,503 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 238 transitions. [2023-11-19 08:03:55,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 238 transitions. [2023-11-19 08:03:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 08:03:55,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:55,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:55,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:55,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-19 08:03:55,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:55,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:55,729 INFO L85 PathProgramCache]: Analyzing trace with hash 534117783, now seen corresponding path program 1 times [2023-11-19 08:03:55,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:55,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374298893] [2023-11-19 08:03:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:55,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:55,743 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:55,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591910639] [2023-11-19 08:03:55,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:55,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:55,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:55,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:55,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:03:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:55,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:55,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:55,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:55,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:55,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374298893] [2023-11-19 08:03:55,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:55,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591910639] [2023-11-19 08:03:55,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591910639] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:55,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:55,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:55,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448131014] [2023-11-19 08:03:55,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:55,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:55,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:55,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:55,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:55,872 INFO L87 Difference]: Start difference. First operand 212 states and 238 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:55,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:55,987 INFO L93 Difference]: Finished difference Result 214 states and 238 transitions. [2023-11-19 08:03:55,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:55,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2023-11-19 08:03:55,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:55,989 INFO L225 Difference]: With dead ends: 214 [2023-11-19 08:03:55,989 INFO L226 Difference]: Without dead ends: 213 [2023-11-19 08:03:55,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:55,991 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 33 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:55,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 176 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:03:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-19 08:03:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 212. [2023-11-19 08:03:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 157 states have (on average 1.4458598726114649) internal successors, (227), 205 states have internal predecessors, (227), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 08:03:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 237 transitions. [2023-11-19 08:03:56,002 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 237 transitions. Word has length 42 [2023-11-19 08:03:56,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:56,002 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 237 transitions. [2023-11-19 08:03:56,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 237 transitions. [2023-11-19 08:03:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 08:03:56,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:56,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:56,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:56,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 08:03:56,212 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:56,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash -622217793, now seen corresponding path program 1 times [2023-11-19 08:03:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245815619] [2023-11-19 08:03:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:56,225 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:56,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069953411] [2023-11-19 08:03:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:56,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:56,227 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:56,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:03:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:56,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:56,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:56,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:56,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:56,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245815619] [2023-11-19 08:03:56,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:56,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069953411] [2023-11-19 08:03:56,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069953411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:56,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:56,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:56,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817591440] [2023-11-19 08:03:56,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:56,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:56,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:56,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:56,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:56,379 INFO L87 Difference]: Start difference. First operand 212 states and 237 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:56,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:56,482 INFO L93 Difference]: Finished difference Result 213 states and 237 transitions. [2023-11-19 08:03:56,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:56,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2023-11-19 08:03:56,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:56,484 INFO L225 Difference]: With dead ends: 213 [2023-11-19 08:03:56,484 INFO L226 Difference]: Without dead ends: 212 [2023-11-19 08:03:56,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:56,487 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 27 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:56,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 181 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:03:56,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-19 08:03:56,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2023-11-19 08:03:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 157 states have (on average 1.4394904458598725) internal successors, (226), 205 states have internal predecessors, (226), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 08:03:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 236 transitions. [2023-11-19 08:03:56,498 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 236 transitions. Word has length 43 [2023-11-19 08:03:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:56,500 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 236 transitions. [2023-11-19 08:03:56,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 236 transitions. [2023-11-19 08:03:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 08:03:56,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:56,510 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:56,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:56,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:56,732 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:56,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:56,733 INFO L85 PathProgramCache]: Analyzing trace with hash -950843391, now seen corresponding path program 1 times [2023-11-19 08:03:56,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:56,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879109874] [2023-11-19 08:03:56,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:56,748 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:56,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355693832] [2023-11-19 08:03:56,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:56,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:56,750 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:56,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 08:03:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:56,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:03:56,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:57,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:57,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:57,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879109874] [2023-11-19 08:03:57,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:57,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355693832] [2023-11-19 08:03:57,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355693832] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:57,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:03:57,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-19 08:03:57,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559217349] [2023-11-19 08:03:57,348 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:57,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:03:57,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:57,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:03:57,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:03:57,353 INFO L87 Difference]: Start difference. First operand 212 states and 236 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:57,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:57,736 INFO L93 Difference]: Finished difference Result 212 states and 236 transitions. [2023-11-19 08:03:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:03:57,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2023-11-19 08:03:57,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:57,739 INFO L225 Difference]: With dead ends: 212 [2023-11-19 08:03:57,739 INFO L226 Difference]: Without dead ends: 201 [2023-11-19 08:03:57,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:03:57,740 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 191 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:57,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 55 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:03:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-19 08:03:57,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2023-11-19 08:03:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 157 states have (on average 1.356687898089172) internal successors, (213), 194 states have internal predecessors, (213), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 08:03:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 223 transitions. [2023-11-19 08:03:57,754 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 223 transitions. Word has length 45 [2023-11-19 08:03:57,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:57,755 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 223 transitions. [2023-11-19 08:03:57,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:03:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 223 transitions. [2023-11-19 08:03:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 08:03:57,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:57,756 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:57,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:57,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:57,974 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:57,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:57,975 INFO L85 PathProgramCache]: Analyzing trace with hash 588626003, now seen corresponding path program 1 times [2023-11-19 08:03:57,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:57,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143815129] [2023-11-19 08:03:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:57,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:57,987 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:57,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534498995] [2023-11-19 08:03:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:57,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:57,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:57,989 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:58,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 08:03:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:58,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:03:58,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:58,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:58,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:58,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143815129] [2023-11-19 08:03:58,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:58,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534498995] [2023-11-19 08:03:58,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534498995] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:58,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:03:58,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-19 08:03:58,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409736979] [2023-11-19 08:03:58,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:58,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:03:58,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:58,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:03:58,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:03:58,464 INFO L87 Difference]: Start difference. First operand 201 states and 223 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:03:59,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:59,287 INFO L93 Difference]: Finished difference Result 227 states and 239 transitions. [2023-11-19 08:03:59,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:03:59,288 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2023-11-19 08:03:59,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:59,290 INFO L225 Difference]: With dead ends: 227 [2023-11-19 08:03:59,290 INFO L226 Difference]: Without dead ends: 215 [2023-11-19 08:03:59,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:03:59,291 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 199 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:59,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 166 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:03:59,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-11-19 08:03:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 202. [2023-11-19 08:03:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 165 states have (on average 1.2606060606060605) internal successors, (208), 195 states have internal predecessors, (208), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 08:03:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 218 transitions. [2023-11-19 08:03:59,310 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 218 transitions. Word has length 46 [2023-11-19 08:03:59,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:59,311 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 218 transitions. [2023-11-19 08:03:59,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:03:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 218 transitions. [2023-11-19 08:03:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 08:03:59,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:59,313 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:59,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:59,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:59,530 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:03:59,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:59,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1023033609, now seen corresponding path program 1 times [2023-11-19 08:03:59,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:59,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663578785] [2023-11-19 08:03:59,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:59,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:59,561 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:03:59,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843083759] [2023-11-19 08:03:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:59,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:59,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:59,571 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:59,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 08:03:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:59,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:03:59,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:59,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:59,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:59,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:59,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663578785] [2023-11-19 08:03:59,874 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:03:59,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843083759] [2023-11-19 08:03:59,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843083759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:59,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:59,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:03:59,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875511122] [2023-11-19 08:03:59,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:59,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:03:59,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:59,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:03:59,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:03:59,878 INFO L87 Difference]: Start difference. First operand 202 states and 218 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:04:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:00,140 INFO L93 Difference]: Finished difference Result 202 states and 218 transitions. [2023-11-19 08:04:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:04:00,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2023-11-19 08:04:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:00,142 INFO L225 Difference]: With dead ends: 202 [2023-11-19 08:04:00,143 INFO L226 Difference]: Without dead ends: 140 [2023-11-19 08:04:00,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:00,144 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 107 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:00,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 56 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-19 08:04:00,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 134. [2023-11-19 08:04:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 118 states have (on average 1.1271186440677967) internal successors, (133), 129 states have internal predecessors, (133), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:00,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 139 transitions. [2023-11-19 08:04:00,158 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 139 transitions. Word has length 53 [2023-11-19 08:04:00,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:00,159 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 139 transitions. [2023-11-19 08:04:00,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 08:04:00,159 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2023-11-19 08:04:00,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 08:04:00,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:00,161 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:00,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:00,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:00,376 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:00,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:00,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1284907517, now seen corresponding path program 1 times [2023-11-19 08:04:00,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:00,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905791980] [2023-11-19 08:04:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:00,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:00,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:00,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226752546] [2023-11-19 08:04:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:00,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:00,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:00,401 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:00,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 08:04:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:00,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:04:00,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:04:00,768 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:03,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:03,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905791980] [2023-11-19 08:04:03,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:03,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226752546] [2023-11-19 08:04:03,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226752546] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:04:03,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:04:03,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-19 08:04:03,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703374562] [2023-11-19 08:04:03,167 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:03,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:04:03,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:03,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:04:03,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:04:03,169 INFO L87 Difference]: Start difference. First operand 134 states and 139 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:03,408 INFO L93 Difference]: Finished difference Result 145 states and 148 transitions. [2023-11-19 08:04:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:03,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2023-11-19 08:04:03,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:03,410 INFO L225 Difference]: With dead ends: 145 [2023-11-19 08:04:03,410 INFO L226 Difference]: Without dead ends: 141 [2023-11-19 08:04:03,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:04:03,412 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 42 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:03,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 160 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-19 08:04:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2023-11-19 08:04:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 123 states have (on average 1.1219512195121952) internal successors, (138), 134 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 144 transitions. [2023-11-19 08:04:03,426 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 144 transitions. Word has length 73 [2023-11-19 08:04:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:03,426 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 144 transitions. [2023-11-19 08:04:03,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2023-11-19 08:04:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 08:04:03,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:03,429 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:03,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:03,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:03,661 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:03,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:03,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1177427238, now seen corresponding path program 1 times [2023-11-19 08:04:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:03,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729257928] [2023-11-19 08:04:03,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:03,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:03,686 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:03,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114962390] [2023-11-19 08:04:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:03,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:03,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:03,689 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:03,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 08:04:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:03,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:04:03,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:04:04,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:05,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:05,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729257928] [2023-11-19 08:04:05,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:05,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114962390] [2023-11-19 08:04:05,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114962390] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:04:05,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:04:05,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-19 08:04:05,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256742139] [2023-11-19 08:04:05,821 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:05,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:04:05,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:05,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:04:05,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:04:05,823 INFO L87 Difference]: Start difference. First operand 139 states and 144 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:06,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:06,121 INFO L93 Difference]: Finished difference Result 141 states and 144 transitions. [2023-11-19 08:04:06,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:06,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2023-11-19 08:04:06,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:06,123 INFO L225 Difference]: With dead ends: 141 [2023-11-19 08:04:06,123 INFO L226 Difference]: Without dead ends: 140 [2023-11-19 08:04:06,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:04:06,124 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 28 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:06,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 152 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:04:06,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-19 08:04:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2023-11-19 08:04:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 123 states have (on average 1.113821138211382) internal successors, (137), 134 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:06,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 143 transitions. [2023-11-19 08:04:06,139 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 143 transitions. Word has length 74 [2023-11-19 08:04:06,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:06,140 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 143 transitions. [2023-11-19 08:04:06,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:06,140 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 143 transitions. [2023-11-19 08:04:06,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 08:04:06,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:06,141 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:06,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:06,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 08:04:06,363 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:06,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash 263185351, now seen corresponding path program 1 times [2023-11-19 08:04:06,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:06,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61295280] [2023-11-19 08:04:06,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:06,383 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:06,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410442716] [2023-11-19 08:04:06,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:06,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:06,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:06,398 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:06,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 08:04:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:06,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:04:06,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:04:06,726 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:06,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:06,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61295280] [2023-11-19 08:04:06,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:06,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410442716] [2023-11-19 08:04:06,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410442716] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:04:06,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:04:06,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-19 08:04:06,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015570043] [2023-11-19 08:04:06,922 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:06,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:04:06,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:06,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:04:06,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:06,924 INFO L87 Difference]: Start difference. First operand 139 states and 143 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:07,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:07,116 INFO L93 Difference]: Finished difference Result 140 states and 143 transitions. [2023-11-19 08:04:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:04:07,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2023-11-19 08:04:07,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:07,118 INFO L225 Difference]: With dead ends: 140 [2023-11-19 08:04:07,118 INFO L226 Difference]: Without dead ends: 134 [2023-11-19 08:04:07,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:04:07,119 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 6 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:07,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 72 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:07,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-19 08:04:07,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2023-11-19 08:04:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 118 states have (on average 1.1101694915254237) internal successors, (131), 129 states have internal predecessors, (131), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 137 transitions. [2023-11-19 08:04:07,130 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 137 transitions. Word has length 77 [2023-11-19 08:04:07,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:07,130 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 137 transitions. [2023-11-19 08:04:07,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:07,131 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 137 transitions. [2023-11-19 08:04:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 08:04:07,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:07,137 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:07,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-19 08:04:07,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-19 08:04:07,357 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:07,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:07,357 INFO L85 PathProgramCache]: Analyzing trace with hash 663399296, now seen corresponding path program 1 times [2023-11-19 08:04:07,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:07,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353659408] [2023-11-19 08:04:07,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:07,376 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:07,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2086057329] [2023-11-19 08:04:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:07,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:07,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:07,378 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:07,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-19 08:04:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:07,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:04:07,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:04:07,547 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:04:07,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:07,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353659408] [2023-11-19 08:04:07,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:07,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086057329] [2023-11-19 08:04:07,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086057329] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:07,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:04:07,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-19 08:04:07,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306176220] [2023-11-19 08:04:07,758 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:07,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:04:07,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:07,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:04:07,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:07,760 INFO L87 Difference]: Start difference. First operand 134 states and 137 transitions. Second operand has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 08:04:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:08,105 INFO L93 Difference]: Finished difference Result 178 states and 184 transitions. [2023-11-19 08:04:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:08,106 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 78 [2023-11-19 08:04:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:08,108 INFO L225 Difference]: With dead ends: 178 [2023-11-19 08:04:08,108 INFO L226 Difference]: Without dead ends: 174 [2023-11-19 08:04:08,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:04:08,109 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 134 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:08,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 119 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:04:08,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-19 08:04:08,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 138. [2023-11-19 08:04:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 124 states have (on average 1.0806451612903225) internal successors, (134), 133 states have internal predecessors, (134), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 140 transitions. [2023-11-19 08:04:08,125 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 140 transitions. Word has length 78 [2023-11-19 08:04:08,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:08,125 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 140 transitions. [2023-11-19 08:04:08,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 08:04:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 140 transitions. [2023-11-19 08:04:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 08:04:08,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:08,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:08,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:08,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:08,332 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:08,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:08,333 INFO L85 PathProgramCache]: Analyzing trace with hash 27136264, now seen corresponding path program 2 times [2023-11-19 08:04:08,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:08,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178715703] [2023-11-19 08:04:08,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:08,352 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:08,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720422944] [2023-11-19 08:04:08,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:04:08,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:08,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:08,362 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:08,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-19 08:04:08,428 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 08:04:08,429 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:04:08,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:04:08,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 08:04:08,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:08,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:08,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178715703] [2023-11-19 08:04:08,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:08,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720422944] [2023-11-19 08:04:08,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720422944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:08,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:08,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:08,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094305136] [2023-11-19 08:04:08,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:08,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:04:08,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:08,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:04:08,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:08,988 INFO L87 Difference]: Start difference. First operand 138 states and 140 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:09,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:09,107 INFO L93 Difference]: Finished difference Result 138 states and 140 transitions. [2023-11-19 08:04:09,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:04:09,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 112 [2023-11-19 08:04:09,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:09,111 INFO L225 Difference]: With dead ends: 138 [2023-11-19 08:04:09,112 INFO L226 Difference]: Without dead ends: 135 [2023-11-19 08:04:09,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:09,113 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 35 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:09,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 37 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:09,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-19 08:04:09,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2023-11-19 08:04:09,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 123 states have (on average 1.065040650406504) internal successors, (131), 130 states have internal predecessors, (131), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 137 transitions. [2023-11-19 08:04:09,126 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 137 transitions. Word has length 112 [2023-11-19 08:04:09,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:09,127 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 137 transitions. [2023-11-19 08:04:09,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:09,127 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 137 transitions. [2023-11-19 08:04:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 08:04:09,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:09,129 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:09,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:09,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-19 08:04:09,344 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:09,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:09,345 INFO L85 PathProgramCache]: Analyzing trace with hash 841224309, now seen corresponding path program 2 times [2023-11-19 08:04:09,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:09,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106869426] [2023-11-19 08:04:09,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:09,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:09,374 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:09,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1664837541] [2023-11-19 08:04:09,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:04:09,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:09,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:09,379 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:09,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-19 08:04:09,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 08:04:09,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:04:09,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:04:09,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-11-19 08:04:09,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:09,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:09,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106869426] [2023-11-19 08:04:09,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:09,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664837541] [2023-11-19 08:04:09,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664837541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:09,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:09,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:09,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626873359] [2023-11-19 08:04:09,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:09,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:04:09,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:09,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:04:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:09,949 INFO L87 Difference]: Start difference. First operand 135 states and 137 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:10,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:10,071 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2023-11-19 08:04:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:04:10,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 113 [2023-11-19 08:04:10,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:10,074 INFO L225 Difference]: With dead ends: 135 [2023-11-19 08:04:10,074 INFO L226 Difference]: Without dead ends: 134 [2023-11-19 08:04:10,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:10,076 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 31 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:10,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 41 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-19 08:04:10,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2023-11-19 08:04:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 123 states have (on average 1.056910569105691) internal successors, (130), 129 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2023-11-19 08:04:10,090 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 113 [2023-11-19 08:04:10,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:10,091 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2023-11-19 08:04:10,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2023-11-19 08:04:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 08:04:10,093 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:10,094 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-19 08:04:10,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:10,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-19 08:04:10,308 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:10,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:10,309 INFO L85 PathProgramCache]: Analyzing trace with hash 841225495, now seen corresponding path program 1 times [2023-11-19 08:04:10,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:10,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787424220] [2023-11-19 08:04:10,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:10,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:10,325 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:10,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420949056] [2023-11-19 08:04:10,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:10,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:10,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:10,328 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:10,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-19 08:04:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:10,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:04:10,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:04:10,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:04:10,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:10,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787424220] [2023-11-19 08:04:10,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:10,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420949056] [2023-11-19 08:04:10,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420949056] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:10,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:04:10,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-19 08:04:10,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780918866] [2023-11-19 08:04:10,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:10,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:04:10,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:10,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:04:10,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:10,884 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand has 8 states, 7 states have (on average 28.0) internal successors, (196), 8 states have internal predecessors, (196), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 08:04:10,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:10,971 INFO L93 Difference]: Finished difference Result 297 states and 306 transitions. [2023-11-19 08:04:10,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:04:10,972 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.0) internal successors, (196), 8 states have internal predecessors, (196), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 113 [2023-11-19 08:04:10,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:10,975 INFO L225 Difference]: With dead ends: 297 [2023-11-19 08:04:10,975 INFO L226 Difference]: Without dead ends: 296 [2023-11-19 08:04:10,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:10,977 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 47 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:10,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 323 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:10,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-11-19 08:04:10,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 257. [2023-11-19 08:04:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 242 states have (on average 1.1074380165289257) internal successors, (268), 248 states have internal predecessors, (268), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 08:04:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 282 transitions. [2023-11-19 08:04:10,999 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 282 transitions. Word has length 113 [2023-11-19 08:04:11,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:11,001 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 282 transitions. [2023-11-19 08:04:11,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.0) internal successors, (196), 8 states have internal predecessors, (196), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 08:04:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 282 transitions. [2023-11-19 08:04:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 08:04:11,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:11,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:11,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:11,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:11,228 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:11,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:11,229 INFO L85 PathProgramCache]: Analyzing trace with hash -220656564, now seen corresponding path program 2 times [2023-11-19 08:04:11,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:11,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981310222] [2023-11-19 08:04:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:11,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:11,245 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:11,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868492871] [2023-11-19 08:04:11,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:04:11,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:11,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:11,247 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:11,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-19 08:04:11,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 08:04:11,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:04:11,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:04:11,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:11,878 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-19 08:04:11,878 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:11,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:11,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981310222] [2023-11-19 08:04:11,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:11,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868492871] [2023-11-19 08:04:11,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868492871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:11,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:11,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:11,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614253976] [2023-11-19 08:04:11,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:11,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:04:11,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:11,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:04:11,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:11,883 INFO L87 Difference]: Start difference. First operand 257 states and 282 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:12,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:12,009 INFO L93 Difference]: Finished difference Result 257 states and 282 transitions. [2023-11-19 08:04:12,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:04:12,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 116 [2023-11-19 08:04:12,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:12,015 INFO L225 Difference]: With dead ends: 257 [2023-11-19 08:04:12,016 INFO L226 Difference]: Without dead ends: 251 [2023-11-19 08:04:12,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:12,018 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 20 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:12,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 56 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:12,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-19 08:04:12,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2023-11-19 08:04:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 237 states have (on average 1.0886075949367089) internal successors, (258), 242 states have internal predecessors, (258), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 08:04:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 272 transitions. [2023-11-19 08:04:12,047 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 272 transitions. Word has length 116 [2023-11-19 08:04:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:12,048 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 272 transitions. [2023-11-19 08:04:12,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 08:04:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 272 transitions. [2023-11-19 08:04:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 08:04:12,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:12,051 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-19 08:04:12,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:12,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:12,268 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2023-11-19 08:04:12,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:12,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1647322845, now seen corresponding path program 1 times [2023-11-19 08:04:12,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:12,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237815078] [2023-11-19 08:04:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:12,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:12,288 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:04:12,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [925412123] [2023-11-19 08:04:12,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:12,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:12,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:12,291 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:12,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-19 08:04:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:12,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:04:12,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:04:13,081 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:13,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:13,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237815078] [2023-11-19 08:04:13,082 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:04:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925412123] [2023-11-19 08:04:13,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925412123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:13,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:13,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:04:13,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404955384] [2023-11-19 08:04:13,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:13,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:04:13,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:13,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:04:13,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:04:13,086 INFO L87 Difference]: Start difference. First operand 251 states and 272 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:13,150 INFO L93 Difference]: Finished difference Result 255 states and 275 transitions. [2023-11-19 08:04:13,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:13,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 119 [2023-11-19 08:04:13,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:13,165 INFO L225 Difference]: With dead ends: 255 [2023-11-19 08:04:13,165 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 08:04:13,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:13,171 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:13,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 280 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:13,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 08:04:13,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 08:04:13,173 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) [2023-11-19 08:04:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 08:04:13,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2023-11-19 08:04:13,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:13,173 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:04:13,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 08:04:13,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:04:13,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 08:04:13,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 60 remaining) [2023-11-19 08:04:13,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 60 remaining) [2023-11-19 08:04:13,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 60 remaining) [2023-11-19 08:04:13,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 60 remaining) [2023-11-19 08:04:13,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 60 remaining) [2023-11-19 08:04:13,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 60 remaining) [2023-11-19 08:04:13,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 60 remaining) [2023-11-19 08:04:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 60 remaining) [2023-11-19 08:04:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 60 remaining) [2023-11-19 08:04:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 60 remaining) [2023-11-19 08:04:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 60 remaining) [2023-11-19 08:04:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 60 remaining) [2023-11-19 08:04:13,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 60 remaining) [2023-11-19 08:04:13,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 60 remaining) [2023-11-19 08:04:13,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 60 remaining) [2023-11-19 08:04:13,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 60 remaining) [2023-11-19 08:04:13,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 60 remaining) [2023-11-19 08:04:13,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 60 remaining) [2023-11-19 08:04:13,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 60 remaining) [2023-11-19 08:04:13,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 60 remaining) [2023-11-19 08:04:13,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 60 remaining) [2023-11-19 08:04:13,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 60 remaining) [2023-11-19 08:04:13,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 60 remaining) [2023-11-19 08:04:13,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 60 remaining) [2023-11-19 08:04:13,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 60 remaining) [2023-11-19 08:04:13,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 60 remaining) [2023-11-19 08:04:13,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 60 remaining) [2023-11-19 08:04:13,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 60 remaining) [2023-11-19 08:04:13,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 60 remaining) [2023-11-19 08:04:13,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 60 remaining) [2023-11-19 08:04:13,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 60 remaining) [2023-11-19 08:04:13,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 60 remaining) [2023-11-19 08:04:13,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 60 remaining) [2023-11-19 08:04:13,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 60 remaining) [2023-11-19 08:04:13,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 60 remaining) [2023-11-19 08:04:13,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 60 remaining) [2023-11-19 08:04:13,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 60 remaining) [2023-11-19 08:04:13,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 60 remaining) [2023-11-19 08:04:13,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 60 remaining) [2023-11-19 08:04:13,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 60 remaining) [2023-11-19 08:04:13,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 60 remaining) [2023-11-19 08:04:13,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 60 remaining) [2023-11-19 08:04:13,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 60 remaining) [2023-11-19 08:04:13,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 60 remaining) [2023-11-19 08:04:13,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 60 remaining) [2023-11-19 08:04:13,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 60 remaining) [2023-11-19 08:04:13,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 60 remaining) [2023-11-19 08:04:13,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 60 remaining) [2023-11-19 08:04:13,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 60 remaining) [2023-11-19 08:04:13,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 60 remaining) [2023-11-19 08:04:13,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 60 remaining) [2023-11-19 08:04:13,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 60 remaining) [2023-11-19 08:04:13,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 60 remaining) [2023-11-19 08:04:13,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 60 remaining) [2023-11-19 08:04:13,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 60 remaining) [2023-11-19 08:04:13,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 60 remaining) [2023-11-19 08:04:13,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 60 remaining) [2023-11-19 08:04:13,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 60 remaining) [2023-11-19 08:04:13,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 60 remaining) [2023-11-19 08:04:13,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 60 remaining) [2023-11-19 08:04:13,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:13,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:13,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 08:04:13,778 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,778 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,778 INFO L899 garLoopResultBuilder]: For program point L35-4(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,778 INFO L899 garLoopResultBuilder]: For program point L35-5(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,779 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 36) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~k~0#1| 2))) (or (and .cse0 (<= 8 |ULTIMATE.start_main_~x~0#1|) .cse1 (<= |ULTIMATE.start_main_~x~0#1| 2305843009213693951) (= 2 |ULTIMATE.start_main_~y~0#1|) (= 2 |ULTIMATE.start_main_~c~0#1|)) (and .cse1 (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~c~0#1| 0) .cse1 (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0)))) [2023-11-19 08:04:13,779 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 36) no Hoare annotation was computed. [2023-11-19 08:04:13,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:04:13,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,781 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 17 40) no Hoare annotation was computed. [2023-11-19 08:04:13,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 08:04:13,782 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,782 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,783 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,783 INFO L899 garLoopResultBuilder]: For program point L28-3(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,784 INFO L899 garLoopResultBuilder]: For program point L28-4(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,784 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,784 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,785 INFO L899 garLoopResultBuilder]: For program point L28-7(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,785 INFO L899 garLoopResultBuilder]: For program point L28-8(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,785 INFO L899 garLoopResultBuilder]: For program point L28-9(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-19 08:04:13,786 INFO L899 garLoopResultBuilder]: For program point L28-10(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,786 INFO L899 garLoopResultBuilder]: For program point L28-11(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,786 INFO L899 garLoopResultBuilder]: For program point L28-12(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,786 INFO L899 garLoopResultBuilder]: For program point L28-13(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,786 INFO L899 garLoopResultBuilder]: For program point L28-14(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,786 INFO L899 garLoopResultBuilder]: For program point L28-15(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,787 INFO L899 garLoopResultBuilder]: For program point L28-16(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,787 INFO L899 garLoopResultBuilder]: For program point L28-17(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,787 INFO L899 garLoopResultBuilder]: For program point L28-18(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,788 INFO L899 garLoopResultBuilder]: For program point L28-19(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,788 INFO L899 garLoopResultBuilder]: For program point L28-20(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,788 INFO L899 garLoopResultBuilder]: For program point L28-21(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,788 INFO L895 garLoopResultBuilder]: At program point L28-22(line 28) the Hoare annotation is: (let ((.cse1 (<= 0 |ULTIMATE.start_main_~k~0#1|)) (.cse0 (<= |ULTIMATE.start_main_~k~0#1| 2))) (or (and .cse0 (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|)) (and .cse1 (<= (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 9223372036854775807) .cse0 (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2305843009213693951) (<= (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|) (= 2 |ULTIMATE.start_main_~c~0#1|)) (and .cse1 (= |ULTIMATE.start_main_~c~0#1| 0) .cse0 (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0)))) [2023-11-19 08:04:13,789 INFO L899 garLoopResultBuilder]: For program point L28-23(lines 27 36) no Hoare annotation was computed. [2023-11-19 08:04:13,789 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,789 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,789 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,789 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,790 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,790 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,790 INFO L895 garLoopResultBuilder]: At program point L37-5(line 37) the Hoare annotation is: (or (and (<= (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 9223372036854775807) (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2305843009213693951) (<= (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|)) (and (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0))) [2023-11-19 08:04:13,790 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-19 08:04:13,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,793 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 08:04:13,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,793 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,793 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,794 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,794 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,794 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,794 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,794 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,795 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,795 INFO L899 garLoopResultBuilder]: For program point L38-7(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,795 INFO L899 garLoopResultBuilder]: For program point L38-8(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,795 INFO L899 garLoopResultBuilder]: For program point L38-9(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,795 INFO L899 garLoopResultBuilder]: For program point L38-10(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,796 INFO L899 garLoopResultBuilder]: For program point L38-11(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,796 INFO L899 garLoopResultBuilder]: For program point L38-12(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,796 INFO L899 garLoopResultBuilder]: For program point L38-13(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,796 INFO L899 garLoopResultBuilder]: For program point L38-14(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,797 INFO L899 garLoopResultBuilder]: For program point L38-15(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,797 INFO L899 garLoopResultBuilder]: For program point L38-16(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,797 INFO L899 garLoopResultBuilder]: For program point L38-17(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,798 INFO L899 garLoopResultBuilder]: For program point L38-18(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,798 INFO L899 garLoopResultBuilder]: For program point L38-19(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,798 INFO L899 garLoopResultBuilder]: For program point L38-20(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,798 INFO L902 garLoopResultBuilder]: At program point L38-21(line 38) the Hoare annotation is: true [2023-11-19 08:04:13,799 INFO L899 garLoopResultBuilder]: For program point L38-22(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,801 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-11-19 08:04:13,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,803 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-11-19 08:04:13,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,803 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 08:04:13,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,805 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-19 08:04:13,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 08:04:13,805 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-19 08:04:13,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,807 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-19 08:04:13,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:04:13,807 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-19 08:04:13,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 08:04:13,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 08:04:13,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 08:04:13,809 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,809 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-19 08:04:13,809 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 12) no Hoare annotation was computed. [2023-11-19 08:04:13,809 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2023-11-19 08:04:13,809 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-19 08:04:13,810 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-19 08:04:13,810 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 15) no Hoare annotation was computed. [2023-11-19 08:04:13,810 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-19 08:04:13,815 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:13,822 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:13,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:13 BoogieIcfgContainer [2023-11-19 08:04:13,846 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:13,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:13,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:13,847 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:13,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:51" (3/4) ... [2023-11-19 08:04:13,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:04:13,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 08:04:13,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 08:04:13,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:04:13,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:04:13,872 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:04:14,035 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:04:14,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:04:14,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:14,037 INFO L158 Benchmark]: Toolchain (without parser) took 23667.29ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 122.4MB in the beginning and 74.8MB in the end (delta: 47.6MB). Peak memory consumption was 120.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:14,038 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:14,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.96ms. Allocated memory is still 153.1MB. Free memory was 122.4MB in the beginning and 111.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:04:14,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.75ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 109.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:14,039 INFO L158 Benchmark]: Boogie Preprocessor took 42.49ms. Allocated memory is still 153.1MB. Free memory was 109.9MB in the beginning and 108.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:14,040 INFO L158 Benchmark]: RCFGBuilder took 784.37ms. Allocated memory is still 153.1MB. Free memory was 108.4MB in the beginning and 88.1MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:04:14,041 INFO L158 Benchmark]: TraceAbstraction took 22287.55ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 87.4MB in the beginning and 80.0MB in the end (delta: 7.4MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:14,042 INFO L158 Benchmark]: Witness Printer took 189.43ms. Allocated memory is still 224.4MB. Free memory was 80.0MB in the beginning and 74.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:04:14,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.96ms. Allocated memory is still 153.1MB. Free memory was 122.4MB in the beginning and 111.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.75ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 109.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.49ms. Allocated memory is still 153.1MB. Free memory was 109.9MB in the beginning and 108.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 784.37ms. Allocated memory is still 153.1MB. Free memory was 108.4MB in the beginning and 88.1MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 22287.55ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 87.4MB in the beginning and 80.0MB in the end (delta: 7.4MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Witness Printer took 189.43ms. Allocated memory is still 224.4MB. Free memory was 80.0MB in the beginning and 74.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 139 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 22.2s, OverallIterations: 21, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1357 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1341 mSDsluCounter, 2900 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1588 mSDsCounter, 165 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2893 IncrementalHoareTripleChecker+Invalid, 3058 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 165 mSolverCounterUnsat, 1312 mSDtfsCounter, 2893 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1614 GetRequests, 1522 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=19, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 194 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 18 PreInvPairs, 28 NumberOfFragments, 147 HoareAnnotationTreeSize, 18 FomulaSimplifications, 267 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 1253 NumberOfCodeBlocks, 1019 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1460 ConstructedInterpolants, 2 QuantifiedInterpolants, 8127 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1793 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 458/781 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 60 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((0 <= k) && (8 <= x)) && (k <= 2)) && (x <= 2305843009213693951)) && (2 == y)) && (2 == c)) || (((((k <= 2) && (c == 1)) && (x == 1)) && (y == 1)) && (1 <= k))) || (((((0 <= k) && (c == 0)) && (k <= 2)) && (y == 0)) && (x == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-19 08:04:14,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f09a619-c4bb-4e9e-9a93-463c6c0806a2/bin/uautomizer-verify-uCwYo4JHxu/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