./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd --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 e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:55:43,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:55:43,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:55:43,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:55:43,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:55:43,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:55:43,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:55:43,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:55:43,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:55:43,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:55:43,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:55:43,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:55:43,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:55:43,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:55:43,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:55:43,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:55:43,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:55:43,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:55:43,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:55:43,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:55:43,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:55:43,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:55:43,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:55:43,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:55:43,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:55:43,351 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:55:43,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:55:43,352 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:55:43,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:55:43,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:55:43,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:55:43,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:55:43,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:55:43,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:55:43,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:55:43,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:55:43,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:55:43,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:55:43,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:55:43,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:55:43,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:55:43,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:55:43,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:55:43,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:55:43,354 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd 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 -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-11-13 15:55:43,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:55:43,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:55:43,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:55:43,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:55:43,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:55:43,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 15:55:45,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:55:46,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:55:46,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-13 15:55:46,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/data/dc7f1686e/c729c1565f9f4634b2260b324a42f19d/FLAGf459e43f1 [2024-11-13 15:55:46,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/data/dc7f1686e/c729c1565f9f4634b2260b324a42f19d [2024-11-13 15:55:46,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:55:46,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:55:46,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:55:46,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:55:46,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:55:46,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c3247f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46, skipping insertion in model container [2024-11-13 15:55:46,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:55:46,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:55:46,340 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:55:46,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:55:46,389 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:55:46,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46 WrapperNode [2024-11-13 15:55:46,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:55:46,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:55:46,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:55:46,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:55:46,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,467 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2024-11-13 15:55:46,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:55:46,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:55:46,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:55:46,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:55:46,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,501 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:55:46,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:55:46,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:55:46,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:55:46,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:55:46,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (1/1) ... [2024-11-13 15:55:46,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:55:46,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:46,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:55:46,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:55:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:55:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:55:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:55:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:55:46,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:55:46,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:55:46,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:55:46,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:55:47,452 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-13 15:55:47,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:55:47,471 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:55:47,472 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:55:47,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:55:47 BoogieIcfgContainer [2024-11-13 15:55:47,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:55:47,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:55:47,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:55:47,481 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:55:47,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:55:46" (1/3) ... [2024-11-13 15:55:47,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5257ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:55:47, skipping insertion in model container [2024-11-13 15:55:47,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:46" (2/3) ... [2024-11-13 15:55:47,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5257ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:55:47, skipping insertion in model container [2024-11-13 15:55:47,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:55:47" (3/3) ... [2024-11-13 15:55:47,485 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound20.c [2024-11-13 15:55:47,505 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:55:47,507 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-ll_unwindbound20.c that has 2 procedures, 192 locations, 1 initial locations, 1 loop locations, and 86 error locations. [2024-11-13 15:55:47,606 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:55:47,628 INFO L333 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, 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;@7a369c7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:55:47,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-11-13 15:55:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 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) [2024-11-13 15:55:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 15:55:47,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:47,646 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:55:47,646 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:47,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:47,652 INFO L85 PathProgramCache]: Analyzing trace with hash 889512233, now seen corresponding path program 1 times [2024-11-13 15:55:47,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:47,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786788553] [2024-11-13 15:55:47,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:47,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:47,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:47,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786788553] [2024-11-13 15:55:47,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786788553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:47,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:47,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:47,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51324224] [2024-11-13 15:55:47,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:47,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:55:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:47,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:55:47,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:55:47,884 INFO L87 Difference]: Start difference. First operand has 192 states, 101 states have (on average 1.900990099009901) internal successors, (192), 187 states have internal predecessors, (192), 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) [2024-11-13 15:55:47,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:47,938 INFO L93 Difference]: Finished difference Result 367 states and 394 transitions. [2024-11-13 15:55:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:55:47,942 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 [2024-11-13 15:55:47,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:47,953 INFO L225 Difference]: With dead ends: 367 [2024-11-13 15:55:47,954 INFO L226 Difference]: Without dead ends: 172 [2024-11-13 15:55:47,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:55:47,964 INFO L432 NwaCegarLoop]: 181 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, 181 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 [2024-11-13 15:55:47,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:55:47,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-13 15:55:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-13 15:55:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 96 states have (on average 1.7708333333333333) internal successors, (170), 168 states have internal predecessors, (170), 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) [2024-11-13 15:55:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 174 transitions. [2024-11-13 15:55:48,034 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 174 transitions. Word has length 6 [2024-11-13 15:55:48,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:48,034 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 174 transitions. [2024-11-13 15:55:48,034 INFO L472 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) [2024-11-13 15:55:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 174 transitions. [2024-11-13 15:55:48,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 15:55:48,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:48,035 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 15:55:48,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:55:48,037 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:48,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:48,042 INFO L85 PathProgramCache]: Analyzing trace with hash 889568326, now seen corresponding path program 1 times [2024-11-13 15:55:48,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:48,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230059486] [2024-11-13 15:55:48,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:48,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:48,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:48,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230059486] [2024-11-13 15:55:48,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230059486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:48,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:48,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:48,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719023869] [2024-11-13 15:55:48,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:48,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:55:48,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:48,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:55:48,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:48,178 INFO L87 Difference]: Start difference. First operand 172 states and 174 transitions. Second operand has 4 states, 3 states have (on average 2.0) 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) [2024-11-13 15:55:48,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:48,263 INFO L93 Difference]: Finished difference Result 172 states and 174 transitions. [2024-11-13 15:55:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:55:48,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) 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 [2024-11-13 15:55:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:48,265 INFO L225 Difference]: With dead ends: 172 [2024-11-13 15:55:48,265 INFO L226 Difference]: Without dead ends: 171 [2024-11-13 15:55:48,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:55:48,266 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 170 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:48,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 333 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:55:48,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-13 15:55:48,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-13 15:55:48,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 96 states have (on average 1.7604166666666667) internal successors, (169), 167 states have internal predecessors, (169), 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) [2024-11-13 15:55:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-11-13 15:55:48,293 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 6 [2024-11-13 15:55:48,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:48,293 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-11-13 15:55:48,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) 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) [2024-11-13 15:55:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-11-13 15:55:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 15:55:48,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:48,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:48,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:55:48,295 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:48,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:48,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1806814377, now seen corresponding path program 1 times [2024-11-13 15:55:48,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:48,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725798051] [2024-11-13 15:55:48,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:48,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:48,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:48,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725798051] [2024-11-13 15:55:48,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725798051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:48,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:48,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:48,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096615567] [2024-11-13 15:55:48,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:48,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:55:48,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:48,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:55:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:48,397 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:48,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:48,463 INFO L93 Difference]: Finished difference Result 251 states and 253 transitions. [2024-11-13 15:55:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:55:48,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-13 15:55:48,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:48,465 INFO L225 Difference]: With dead ends: 251 [2024-11-13 15:55:48,466 INFO L226 Difference]: Without dead ends: 175 [2024-11-13 15:55:48,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:55:48,471 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 3 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:48,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 501 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:55:48,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-13 15:55:48,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-13 15:55:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 100 states have (on average 1.73) internal successors, (173), 171 states have internal predecessors, (173), 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) [2024-11-13 15:55:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2024-11-13 15:55:48,484 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 7 [2024-11-13 15:55:48,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:48,484 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2024-11-13 15:55:48,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2024-11-13 15:55:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:55:48,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:48,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:48,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:55:48,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:48,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:48,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1181830379, now seen corresponding path program 1 times [2024-11-13 15:55:48,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:48,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612676157] [2024-11-13 15:55:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:48,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:48,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612676157] [2024-11-13 15:55:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612676157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:48,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:48,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:48,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459229673] [2024-11-13 15:55:48,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:48,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:55:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:55:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:48,538 INFO L87 Difference]: Start difference. First operand 175 states and 177 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) [2024-11-13 15:55:49,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:49,091 INFO L93 Difference]: Finished difference Result 311 states and 323 transitions. [2024-11-13 15:55:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:55:49,092 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 [2024-11-13 15:55:49,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:49,097 INFO L225 Difference]: With dead ends: 311 [2024-11-13 15:55:49,098 INFO L226 Difference]: Without dead ends: 255 [2024-11-13 15:55:49,098 INFO L431 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 [2024-11-13 15:55:49,099 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:49,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 129 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:55:49,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-13 15:55:49,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 249. [2024-11-13 15:55:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 173 states have (on average 1.5028901734104045) internal successors, (260), 244 states have internal predecessors, (260), 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) [2024-11-13 15:55:49,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2024-11-13 15:55:49,126 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 9 [2024-11-13 15:55:49,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:49,126 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2024-11-13 15:55:49,127 INFO L472 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) [2024-11-13 15:55:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2024-11-13 15:55:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 15:55:49,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:49,128 INFO L215 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] [2024-11-13 15:55:49,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:55:49,128 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:49,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:49,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1524500615, now seen corresponding path program 1 times [2024-11-13 15:55:49,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:49,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381014143] [2024-11-13 15:55:49,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:49,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:49,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:49,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381014143] [2024-11-13 15:55:49,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381014143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:49,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:49,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:49,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186388418] [2024-11-13 15:55:49,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:49,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:55:49,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:49,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:55:49,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:49,253 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:49,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:49,376 INFO L93 Difference]: Finished difference Result 268 states and 280 transitions. [2024-11-13 15:55:49,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:55:49,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2024-11-13 15:55:49,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:49,378 INFO L225 Difference]: With dead ends: 268 [2024-11-13 15:55:49,379 INFO L226 Difference]: Without dead ends: 263 [2024-11-13 15:55:49,379 INFO L431 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 [2024-11-13 15:55:49,380 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:49,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 294 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:55:49,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-13 15:55:49,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 256. [2024-11-13 15:55:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4833333333333334) internal successors, (267), 251 states have internal predecessors, (267), 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) [2024-11-13 15:55:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 273 transitions. [2024-11-13 15:55:49,394 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 273 transitions. Word has length 37 [2024-11-13 15:55:49,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:49,395 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 273 transitions. [2024-11-13 15:55:49,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:49,395 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 273 transitions. [2024-11-13 15:55:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 15:55:49,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:49,396 INFO L215 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] [2024-11-13 15:55:49,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:55:49,396 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:49,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:49,397 INFO L85 PathProgramCache]: Analyzing trace with hash 461246665, now seen corresponding path program 1 times [2024-11-13 15:55:49,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:49,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198233228] [2024-11-13 15:55:49,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:49,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:49,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:49,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198233228] [2024-11-13 15:55:49,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198233228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:49,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:49,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:55:49,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949038112] [2024-11-13 15:55:49,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:49,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:55:49,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:49,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:55:49,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:49,619 INFO L87 Difference]: Start difference. First operand 256 states and 273 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:50,672 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2024-11-13 15:55:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:55:50,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-13 15:55:50,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:50,679 INFO L225 Difference]: With dead ends: 267 [2024-11-13 15:55:50,679 INFO L226 Difference]: Without dead ends: 262 [2024-11-13 15:55:50,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:50,680 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 84 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:50,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 252 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:55:50,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-13 15:55:50,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2024-11-13 15:55:50,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 180 states have (on average 1.4555555555555555) internal successors, (262), 251 states have internal predecessors, (262), 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) [2024-11-13 15:55:50,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 268 transitions. [2024-11-13 15:55:50,736 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 268 transitions. Word has length 39 [2024-11-13 15:55:50,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:50,737 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 268 transitions. [2024-11-13 15:55:50,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 268 transitions. [2024-11-13 15:55:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 15:55:50,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:50,738 INFO L215 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] [2024-11-13 15:55:50,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:55:50,738 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:50,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1413744843, now seen corresponding path program 1 times [2024-11-13 15:55:50,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:50,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257629618] [2024-11-13 15:55:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:50,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:50,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257629618] [2024-11-13 15:55:50,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257629618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:50,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:50,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:55:50,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577767128] [2024-11-13 15:55:50,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:50,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:55:50,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:50,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:55:50,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:50,913 INFO L87 Difference]: Start difference. First operand 256 states and 268 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:51,455 INFO L93 Difference]: Finished difference Result 266 states and 270 transitions. [2024-11-13 15:55:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:55:51,455 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), 0 states have call successors, (0), 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 40 [2024-11-13 15:55:51,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:51,457 INFO L225 Difference]: With dead ends: 266 [2024-11-13 15:55:51,457 INFO L226 Difference]: Without dead ends: 228 [2024-11-13 15:55:51,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:51,458 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 85 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:51,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 265 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:55:51,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-13 15:55:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2024-11-13 15:55:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5342465753424657) internal successors, (224), 217 states have internal predecessors, (224), 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) [2024-11-13 15:55:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 230 transitions. [2024-11-13 15:55:51,468 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 230 transitions. Word has length 40 [2024-11-13 15:55:51,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:51,468 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 230 transitions. [2024-11-13 15:55:51,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:55:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 230 transitions. [2024-11-13 15:55:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 15:55:51,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:51,470 INFO L215 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, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:51,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:55:51,470 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:51,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:51,471 INFO L85 PathProgramCache]: Analyzing trace with hash 583759032, now seen corresponding path program 1 times [2024-11-13 15:55:51,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:51,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178501668] [2024-11-13 15:55:51,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:51,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:51,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:55:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:51,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:51,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178501668] [2024-11-13 15:55:51,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178501668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:51,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:51,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:51,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634401711] [2024-11-13 15:55:51,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:51,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:55:51,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:51,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:55:51,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:51,601 INFO L87 Difference]: Start difference. First operand 222 states and 230 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-13 15:55:51,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:51,627 INFO L93 Difference]: Finished difference Result 224 states and 230 transitions. [2024-11-13 15:55:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:55:51,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 49 [2024-11-13 15:55:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:51,629 INFO L225 Difference]: With dead ends: 224 [2024-11-13 15:55:51,629 INFO L226 Difference]: Without dead ends: 222 [2024-11-13 15:55:51,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:51,630 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:51,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:55:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-13 15:55:51,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-13 15:55:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 146 states have (on average 1.5205479452054795) internal successors, (222), 217 states have internal predecessors, (222), 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) [2024-11-13 15:55:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 228 transitions. [2024-11-13 15:55:51,647 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 228 transitions. Word has length 49 [2024-11-13 15:55:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:51,648 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 228 transitions. [2024-11-13 15:55:51,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-13 15:55:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2024-11-13 15:55:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 15:55:51,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:51,650 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:51,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:55:51,650 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:51,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash 396277454, now seen corresponding path program 1 times [2024-11-13 15:55:51,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:51,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035004685] [2024-11-13 15:55:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:55:51,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465407580] [2024-11-13 15:55:51,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:51,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:51,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:51,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:55:51,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:55:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:51,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:55:51,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:55:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:51,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:55:51,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:51,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035004685] [2024-11-13 15:55:51,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:55:51,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465407580] [2024-11-13 15:55:51,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465407580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:51,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:51,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:55:51,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864830909] [2024-11-13 15:55:51,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:51,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:55:51,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:51,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:55:51,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:51,943 INFO L87 Difference]: Start difference. First operand 222 states and 228 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-13 15:55:52,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:52,590 INFO L93 Difference]: Finished difference Result 365 states and 382 transitions. [2024-11-13 15:55:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:55:52,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 54 [2024-11-13 15:55:52,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:52,592 INFO L225 Difference]: With dead ends: 365 [2024-11-13 15:55:52,592 INFO L226 Difference]: Without dead ends: 311 [2024-11-13 15:55:52,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:52,593 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 95 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:52,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 153 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:55:52,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-13 15:55:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 304. [2024-11-13 15:55:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.407079646017699) internal successors, (318), 297 states have internal predecessors, (318), 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) [2024-11-13 15:55:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 328 transitions. [2024-11-13 15:55:52,605 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 328 transitions. Word has length 54 [2024-11-13 15:55:52,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:52,605 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 328 transitions. [2024-11-13 15:55:52,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-13 15:55:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 328 transitions. [2024-11-13 15:55:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 15:55:52,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:52,606 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:52,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:55:52,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:52,811 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:52,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:52,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1619193644, now seen corresponding path program 1 times [2024-11-13 15:55:52,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:52,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082674545] [2024-11-13 15:55:52,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:52,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:52,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:55:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:52,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:52,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082674545] [2024-11-13 15:55:52,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082674545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:52,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:52,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:55:52,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813699141] [2024-11-13 15:55:52,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:52,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:55:52,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:52,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:55:52,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:52,948 INFO L87 Difference]: Start difference. First operand 304 states and 328 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-13 15:55:53,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:53,070 INFO L93 Difference]: Finished difference Result 305 states and 328 transitions. [2024-11-13 15:55:53,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:55:53,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 60 [2024-11-13 15:55:53,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:53,075 INFO L225 Difference]: With dead ends: 305 [2024-11-13 15:55:53,075 INFO L226 Difference]: Without dead ends: 304 [2024-11-13 15:55:53,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:55:53,076 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 42 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:53,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 278 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:55:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-13 15:55:53,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-11-13 15:55:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 226 states have (on average 1.4026548672566372) internal successors, (317), 297 states have internal predecessors, (317), 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) [2024-11-13 15:55:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 327 transitions. [2024-11-13 15:55:53,098 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 327 transitions. Word has length 60 [2024-11-13 15:55:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:53,099 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 327 transitions. [2024-11-13 15:55:53,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-11-13 15:55:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 327 transitions. [2024-11-13 15:55:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 15:55:53,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:53,099 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:53,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:55:53,100 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:53,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:53,100 INFO L85 PathProgramCache]: Analyzing trace with hash -620104263, now seen corresponding path program 1 times [2024-11-13 15:55:53,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:53,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784834272] [2024-11-13 15:55:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:53,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:53,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:55:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:53,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:53,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784834272] [2024-11-13 15:55:53,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784834272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:55:53,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743381206] [2024-11-13 15:55:53,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:53,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:53,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:53,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:55:53,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:55:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:53,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:55:53,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:55:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:53,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:55:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743381206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:53,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:55:53,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-13 15:55:53,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863147842] [2024-11-13 15:55:53,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:53,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:55:53,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:53,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:55:53,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:55:53,469 INFO L87 Difference]: Start difference. First operand 304 states and 327 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-11-13 15:55:53,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:53,533 INFO L93 Difference]: Finished difference Result 416 states and 446 transitions. [2024-11-13 15:55:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:55:53,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 63 [2024-11-13 15:55:53,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:53,535 INFO L225 Difference]: With dead ends: 416 [2024-11-13 15:55:53,536 INFO L226 Difference]: Without dead ends: 415 [2024-11-13 15:55:53,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:55:53,537 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 118 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:53,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 781 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:55:53,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-13 15:55:53,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 377. [2024-11-13 15:55:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 297 states have (on average 1.4175084175084176) internal successors, (421), 369 states have internal predecessors, (421), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:55:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 435 transitions. [2024-11-13 15:55:53,564 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 435 transitions. Word has length 63 [2024-11-13 15:55:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:53,565 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 435 transitions. [2024-11-13 15:55:53,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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) [2024-11-13 15:55:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 435 transitions. [2024-11-13 15:55:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 15:55:53,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:53,566 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:53,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:55:53,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:53,767 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:53,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:53,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1150139902, now seen corresponding path program 1 times [2024-11-13 15:55:53,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:53,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872147148] [2024-11-13 15:55:53,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:53,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:55:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:53,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:53,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872147148] [2024-11-13 15:55:53,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872147148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:55:53,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561607958] [2024-11-13 15:55:53,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:53,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:53,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:53,907 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:55:53,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:55:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:53,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:55:53,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:55:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:54,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:55:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:54,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561607958] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:55:54,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:55:54,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-13 15:55:54,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976533070] [2024-11-13 15:55:54,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:55:54,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:55:54,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:54,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:55:54,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:55:54,276 INFO L87 Difference]: Start difference. First operand 377 states and 435 transitions. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:55:54,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:54,430 INFO L93 Difference]: Finished difference Result 662 states and 705 transitions. [2024-11-13 15:55:54,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:55:54,431 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 93 [2024-11-13 15:55:54,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:54,434 INFO L225 Difference]: With dead ends: 662 [2024-11-13 15:55:54,434 INFO L226 Difference]: Without dead ends: 550 [2024-11-13 15:55:54,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:55:54,436 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 242 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:54,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 896 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:55:54,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-13 15:55:54,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 453. [2024-11-13 15:55:54,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 369 states have (on average 1.5203252032520325) internal successors, (561), 441 states have internal predecessors, (561), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:55:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 577 transitions. [2024-11-13 15:55:54,475 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 577 transitions. Word has length 93 [2024-11-13 15:55:54,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:54,475 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 577 transitions. [2024-11-13 15:55:54,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:55:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 577 transitions. [2024-11-13 15:55:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-13 15:55:54,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:54,477 INFO L215 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, 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] [2024-11-13 15:55:54,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 15:55:54,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:54,678 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:54,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash -153815657, now seen corresponding path program 1 times [2024-11-13 15:55:54,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:54,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942861093] [2024-11-13 15:55:54,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:54,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:55:54,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217744399] [2024-11-13 15:55:54,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:54,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:54,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:54,711 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:55:54,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:55:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:54,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:55:54,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:55:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 15:55:54,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:55:54,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:54,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942861093] [2024-11-13 15:55:54,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:55:54,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217744399] [2024-11-13 15:55:54,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217744399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:54,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:54,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:54,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329398927] [2024-11-13 15:55:54,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:54,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:55:54,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:54,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:55:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:54,996 INFO L87 Difference]: Start difference. First operand 453 states and 577 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-13 15:55:55,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:55,071 INFO L93 Difference]: Finished difference Result 453 states and 577 transitions. [2024-11-13 15:55:55,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:55:55,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 93 [2024-11-13 15:55:55,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:55,076 INFO L225 Difference]: With dead ends: 453 [2024-11-13 15:55:55,077 INFO L226 Difference]: Without dead ends: 450 [2024-11-13 15:55:55,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:55,078 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 96 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:55,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 151 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:55:55,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-13 15:55:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2024-11-13 15:55:55,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 369 states have (on average 1.4932249322493225) internal successors, (551), 438 states have internal predecessors, (551), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:55:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 567 transitions. [2024-11-13 15:55:55,102 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 567 transitions. Word has length 93 [2024-11-13 15:55:55,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:55,103 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 567 transitions. [2024-11-13 15:55:55,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-13 15:55:55,103 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 567 transitions. [2024-11-13 15:55:55,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 15:55:55,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:55,104 INFO L215 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, 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] [2024-11-13 15:55:55,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 15:55:55,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:55,309 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:55:55,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:55,309 INFO L85 PathProgramCache]: Analyzing trace with hash -473317959, now seen corresponding path program 1 times [2024-11-13 15:55:55,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:55,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197718356] [2024-11-13 15:55:55,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:55,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:55:55,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1475555974] [2024-11-13 15:55:55,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:55,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:55,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:55,334 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:55:55,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:55:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:55,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:55:55,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:55:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:55,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:55:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:56,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197718356] [2024-11-13 15:55:56,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:55:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475555974] [2024-11-13 15:55:56,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475555974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:55:56,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:55:56,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-13 15:55:56,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957862207] [2024-11-13 15:55:56,023 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:55:56,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:55:56,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:56,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:55:56,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:55:56,025 INFO L87 Difference]: Start difference. First operand 450 states and 567 transitions. Second operand has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-11-13 15:55:59,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:56:00,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:00,057 INFO L93 Difference]: Finished difference Result 507 states and 567 transitions. [2024-11-13 15:56:00,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:56:00,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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 94 [2024-11-13 15:56:00,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:00,060 INFO L225 Difference]: With dead ends: 507 [2024-11-13 15:56:00,060 INFO L226 Difference]: Without dead ends: 500 [2024-11-13 15:56:00,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:56:00,061 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 287 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:00,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 368 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 15:56:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-13 15:56:00,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 450. [2024-11-13 15:56:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 369 states have (on average 1.4661246612466126) internal successors, (541), 438 states have internal predecessors, (541), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 557 transitions. [2024-11-13 15:56:00,094 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 557 transitions. Word has length 94 [2024-11-13 15:56:00,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:00,094 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 557 transitions. [2024-11-13 15:56:00,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.428571428571427) internal successors, (178), 8 states have internal predecessors, (178), 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) [2024-11-13 15:56:00,095 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 557 transitions. [2024-11-13 15:56:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 15:56:00,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:00,096 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:56:00,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:56:00,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:00,298 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:00,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:00,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1787954727, now seen corresponding path program 1 times [2024-11-13 15:56:00,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:00,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653921338] [2024-11-13 15:56:00,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:00,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:00,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542838755] [2024-11-13 15:56:00,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:00,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:00,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:00,362 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:00,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:56:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:00,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:56:00,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:56:00,826 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:56:05,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:05,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653921338] [2024-11-13 15:56:05,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:05,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542838755] [2024-11-13 15:56:05,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542838755] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:05,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:56:05,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 15:56:05,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123668340] [2024-11-13 15:56:05,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:56:05,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:56:05,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:05,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:56:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2024-11-13 15:56:05,293 INFO L87 Difference]: Start difference. First operand 450 states and 557 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 15:56:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:07,634 INFO L93 Difference]: Finished difference Result 450 states and 557 transitions. [2024-11-13 15:56:07,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:56:07,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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 95 [2024-11-13 15:56:07,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:07,637 INFO L225 Difference]: With dead ends: 450 [2024-11-13 15:56:07,638 INFO L226 Difference]: Without dead ends: 448 [2024-11-13 15:56:07,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2024-11-13 15:56:07,639 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 132 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:07,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 47 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 15:56:07,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-13 15:56:07,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-13 15:56:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 369 states have (on average 1.4471544715447155) internal successors, (534), 436 states have internal predecessors, (534), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 550 transitions. [2024-11-13 15:56:07,664 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 550 transitions. Word has length 95 [2024-11-13 15:56:07,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:07,665 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 550 transitions. [2024-11-13 15:56:07,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-13 15:56:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 550 transitions. [2024-11-13 15:56:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 15:56:07,666 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:07,666 INFO L215 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, 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] [2024-11-13 15:56:07,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 15:56:07,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:07,872 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:07,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:07,872 INFO L85 PathProgramCache]: Analyzing trace with hash 407978427, now seen corresponding path program 1 times [2024-11-13 15:56:07,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:07,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511287817] [2024-11-13 15:56:07,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:07,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:07,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300958027] [2024-11-13 15:56:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:07,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:07,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:56:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:08,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:56:08,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:56:08,275 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:56:08,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:08,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511287817] [2024-11-13 15:56:08,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:08,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300958027] [2024-11-13 15:56:08,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300958027] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:56:08,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:56:08,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:56:08,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592692280] [2024-11-13 15:56:08,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:56:08,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:56:08,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:56:08,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:56:08,278 INFO L87 Difference]: Start difference. First operand 448 states and 550 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-13 15:56:10,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:56:10,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:10,117 INFO L93 Difference]: Finished difference Result 451 states and 550 transitions. [2024-11-13 15:56:10,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:56:10,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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 96 [2024-11-13 15:56:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:10,121 INFO L225 Difference]: With dead ends: 451 [2024-11-13 15:56:10,121 INFO L226 Difference]: Without dead ends: 431 [2024-11-13 15:56:10,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:56:10,122 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 135 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:10,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 58 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 15:56:10,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-13 15:56:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-13 15:56:10,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 369 states have (on average 1.3062330623306233) internal successors, (482), 419 states have internal predecessors, (482), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 498 transitions. [2024-11-13 15:56:10,163 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 498 transitions. Word has length 96 [2024-11-13 15:56:10,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:10,163 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 498 transitions. [2024-11-13 15:56:10,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 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) [2024-11-13 15:56:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 498 transitions. [2024-11-13 15:56:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 15:56:10,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:10,169 INFO L215 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, 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] [2024-11-13 15:56:10,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:56:10,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 15:56:10,370 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:10,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:10,371 INFO L85 PathProgramCache]: Analyzing trace with hash -237570533, now seen corresponding path program 1 times [2024-11-13 15:56:10,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:10,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482056509] [2024-11-13 15:56:10,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:10,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:10,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580068968] [2024-11-13 15:56:10,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:10,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:10,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:10,413 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:10,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:56:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:10,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:56:10,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:10,966 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:56:10,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:11,456 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 15:56:11,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:11,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482056509] [2024-11-13 15:56:11,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:11,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580068968] [2024-11-13 15:56:11,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580068968] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:11,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:56:11,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-13 15:56:11,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728845262] [2024-11-13 15:56:11,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:56:11,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:56:11,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:11,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:56:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:56:11,461 INFO L87 Difference]: Start difference. First operand 431 states and 498 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-13 15:56:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:14,484 INFO L93 Difference]: Finished difference Result 431 states and 498 transitions. [2024-11-13 15:56:14,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:56:14,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 97 [2024-11-13 15:56:14,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:14,488 INFO L225 Difference]: With dead ends: 431 [2024-11-13 15:56:14,488 INFO L226 Difference]: Without dead ends: 429 [2024-11-13 15:56:14,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:56:14,489 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 83 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:14,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 40 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-13 15:56:14,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-13 15:56:14,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 429. [2024-11-13 15:56:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 369 states have (on average 1.2872628726287263) internal successors, (475), 417 states have internal predecessors, (475), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 491 transitions. [2024-11-13 15:56:14,517 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 491 transitions. Word has length 97 [2024-11-13 15:56:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:14,518 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 491 transitions. [2024-11-13 15:56:14,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-13 15:56:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 491 transitions. [2024-11-13 15:56:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 15:56:14,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:14,519 INFO L215 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, 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] [2024-11-13 15:56:14,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 15:56:14,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:14,720 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:14,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:14,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1292416568, now seen corresponding path program 1 times [2024-11-13 15:56:14,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:14,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925261516] [2024-11-13 15:56:14,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:14,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:56:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:14,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:56:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:56:14,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:14,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925261516] [2024-11-13 15:56:14,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925261516] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:14,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484790243] [2024-11-13 15:56:14,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:14,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:14,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:14,936 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:14,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 15:56:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:15,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:56:15,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:56:15,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:56:15,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484790243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:56:15,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:56:15,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 15:56:15,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324625320] [2024-11-13 15:56:15,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:56:15,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:56:15,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:15,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:56:15,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:56:15,256 INFO L87 Difference]: Start difference. First operand 429 states and 491 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-11-13 15:56:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:15,315 INFO L93 Difference]: Finished difference Result 450 states and 497 transitions. [2024-11-13 15:56:15,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:56:15,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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 105 [2024-11-13 15:56:15,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:15,319 INFO L225 Difference]: With dead ends: 450 [2024-11-13 15:56:15,319 INFO L226 Difference]: Without dead ends: 449 [2024-11-13 15:56:15,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:56:15,320 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 167 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:15,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 333 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:56:15,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-13 15:56:15,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 428. [2024-11-13 15:56:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 369 states have (on average 1.2791327913279134) internal successors, (472), 416 states have internal predecessors, (472), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:15,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 488 transitions. [2024-11-13 15:56:15,359 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 488 transitions. Word has length 105 [2024-11-13 15:56:15,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:15,359 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 488 transitions. [2024-11-13 15:56:15,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-11-13 15:56:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 488 transitions. [2024-11-13 15:56:15,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 15:56:15,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:15,362 INFO L215 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, 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] [2024-11-13 15:56:15,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 15:56:15,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 15:56:15,566 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:15,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:15,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1410207814, now seen corresponding path program 1 times [2024-11-13 15:56:15,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:15,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629201911] [2024-11-13 15:56:15,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:15,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:15,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:56:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:15,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:56:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:56:15,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:15,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629201911] [2024-11-13 15:56:15,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629201911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:15,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092432177] [2024-11-13 15:56:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:15,711 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:15,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:56:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:15,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:56:15,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:56:15,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:56:16,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092432177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:56:16,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:56:16,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 15:56:16,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266839448] [2024-11-13 15:56:16,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:56:16,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:56:16,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:16,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:56:16,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:56:16,197 INFO L87 Difference]: Start difference. First operand 428 states and 488 transitions. Second operand has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 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) [2024-11-13 15:56:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:16,272 INFO L93 Difference]: Finished difference Result 508 states and 547 transitions. [2024-11-13 15:56:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:56:16,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 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) Word has length 106 [2024-11-13 15:56:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:16,276 INFO L225 Difference]: With dead ends: 508 [2024-11-13 15:56:16,276 INFO L226 Difference]: Without dead ends: 507 [2024-11-13 15:56:16,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:56:16,277 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 51 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:16,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 609 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:56:16,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-11-13 15:56:16,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 466. [2024-11-13 15:56:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 406 states have (on average 1.2955665024630543) internal successors, (526), 453 states have internal predecessors, (526), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:56:16,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 544 transitions. [2024-11-13 15:56:16,306 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 544 transitions. Word has length 106 [2024-11-13 15:56:16,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:16,306 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 544 transitions. [2024-11-13 15:56:16,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.0) internal successors, (234), 7 states have internal predecessors, (234), 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) [2024-11-13 15:56:16,306 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 544 transitions. [2024-11-13 15:56:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 15:56:16,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:16,308 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 15:56:16,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:56:16,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:16,509 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:16,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:16,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2061707019, now seen corresponding path program 1 times [2024-11-13 15:56:16,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:16,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404459167] [2024-11-13 15:56:16,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:56:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:56:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 15:56:16,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:16,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404459167] [2024-11-13 15:56:16,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404459167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:56:16,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:56:16,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:56:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495606954] [2024-11-13 15:56:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:56:16,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:56:16,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:16,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:56:16,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:56:16,641 INFO L87 Difference]: Start difference. First operand 466 states and 544 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-13 15:56:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:16,998 INFO L93 Difference]: Finished difference Result 466 states and 544 transitions. [2024-11-13 15:56:16,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:56:16,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 121 [2024-11-13 15:56:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:17,001 INFO L225 Difference]: With dead ends: 466 [2024-11-13 15:56:17,001 INFO L226 Difference]: Without dead ends: 459 [2024-11-13 15:56:17,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:56:17,002 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 80 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:17,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 41 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:56:17,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-13 15:56:17,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-11-13 15:56:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 406 states have (on average 1.2463054187192117) internal successors, (506), 446 states have internal predecessors, (506), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:56:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 524 transitions. [2024-11-13 15:56:17,029 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 524 transitions. Word has length 121 [2024-11-13 15:56:17,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:17,029 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 524 transitions. [2024-11-13 15:56:17,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-13 15:56:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 524 transitions. [2024-11-13 15:56:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 15:56:17,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:17,031 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 15:56:17,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 15:56:17,032 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:17,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:17,032 INFO L85 PathProgramCache]: Analyzing trace with hash -511591795, now seen corresponding path program 1 times [2024-11-13 15:56:17,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:17,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869336855] [2024-11-13 15:56:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:17,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:17,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 15:56:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 15:56:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 15:56:17,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:17,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869336855] [2024-11-13 15:56:17,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869336855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:56:17,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:56:17,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:56:17,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631077853] [2024-11-13 15:56:17,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:56:17,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:56:17,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:17,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:56:17,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:56:17,183 INFO L87 Difference]: Start difference. First operand 459 states and 524 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-13 15:56:17,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:17,451 INFO L93 Difference]: Finished difference Result 459 states and 524 transitions. [2024-11-13 15:56:17,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:56:17,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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 122 [2024-11-13 15:56:17,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:17,454 INFO L225 Difference]: With dead ends: 459 [2024-11-13 15:56:17,454 INFO L226 Difference]: Without dead ends: 457 [2024-11-13 15:56:17,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:56:17,456 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 63 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:17,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 41 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:56:17,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-13 15:56:17,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2024-11-13 15:56:17,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 406 states have (on average 1.2364532019704433) internal successors, (502), 444 states have internal predecessors, (502), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:56:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 520 transitions. [2024-11-13 15:56:17,483 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 520 transitions. Word has length 122 [2024-11-13 15:56:17,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:17,483 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 520 transitions. [2024-11-13 15:56:17,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 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) [2024-11-13 15:56:17,484 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 520 transitions. [2024-11-13 15:56:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 15:56:17,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:17,485 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 15:56:17,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:56:17,486 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:17,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:17,486 INFO L85 PathProgramCache]: Analyzing trace with hash -2013441393, now seen corresponding path program 1 times [2024-11-13 15:56:17,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:17,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793096513] [2024-11-13 15:56:17,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:17,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:17,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671645787] [2024-11-13 15:56:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:17,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:17,523 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:17,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 15:56:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:17,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:56:17,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:56:17,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:18,233 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:56:18,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:18,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793096513] [2024-11-13 15:56:18,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:18,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671645787] [2024-11-13 15:56:18,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671645787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:56:18,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:56:18,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-13 15:56:18,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25598577] [2024-11-13 15:56:18,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:56:18,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:56:18,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:18,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:56:18,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:56:18,237 INFO L87 Difference]: Start difference. First operand 457 states and 520 transitions. Second operand has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 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) [2024-11-13 15:56:19,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:19,272 INFO L93 Difference]: Finished difference Result 483 states and 526 transitions. [2024-11-13 15:56:19,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:56:19,272 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 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 124 [2024-11-13 15:56:19,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:19,275 INFO L225 Difference]: With dead ends: 483 [2024-11-13 15:56:19,275 INFO L226 Difference]: Without dead ends: 453 [2024-11-13 15:56:19,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:56:19,277 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 383 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:19,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 173 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:56:19,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-13 15:56:19,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2024-11-13 15:56:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 402 states have (on average 1.1592039800995024) internal successors, (466), 437 states have internal predecessors, (466), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:56:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 484 transitions. [2024-11-13 15:56:19,306 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 484 transitions. Word has length 124 [2024-11-13 15:56:19,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:19,307 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 484 transitions. [2024-11-13 15:56:19,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.57142857142857) internal successors, (228), 8 states have internal predecessors, (228), 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) [2024-11-13 15:56:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 484 transitions. [2024-11-13 15:56:19,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 15:56:19,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:19,309 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:56:19,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 15:56:19,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-13 15:56:19,510 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:19,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:19,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1824420689, now seen corresponding path program 1 times [2024-11-13 15:56:19,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:19,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765097841] [2024-11-13 15:56:19,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:19,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:19,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525962761] [2024-11-13 15:56:19,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:19,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:19,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:19,566 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:19,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 15:56:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:19,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:56:19,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:56:20,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:20,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:20,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765097841] [2024-11-13 15:56:20,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:20,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525962761] [2024-11-13 15:56:20,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525962761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:20,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:56:20,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-13 15:56:20,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134577808] [2024-11-13 15:56:20,754 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:56:20,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:56:20,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:20,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:56:20,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:56:20,756 INFO L87 Difference]: Start difference. First operand 449 states and 484 transitions. Second operand has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:56:21,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:21,218 INFO L93 Difference]: Finished difference Result 451 states and 487 transitions. [2024-11-13 15:56:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:56:21,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 144 [2024-11-13 15:56:21,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:21,221 INFO L225 Difference]: With dead ends: 451 [2024-11-13 15:56:21,221 INFO L226 Difference]: Without dead ends: 437 [2024-11-13 15:56:21,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:56:21,222 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:21,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 59 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:56:21,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-13 15:56:21,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 435. [2024-11-13 15:56:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 402 states have (on average 1.092039800995025) internal successors, (439), 423 states have internal predecessors, (439), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:56:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 457 transitions. [2024-11-13 15:56:21,268 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 457 transitions. Word has length 144 [2024-11-13 15:56:21,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:21,269 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 457 transitions. [2024-11-13 15:56:21,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:56:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 457 transitions. [2024-11-13 15:56:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 15:56:21,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:21,271 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:56:21,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 15:56:21,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 15:56:21,472 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:21,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:21,473 INFO L85 PathProgramCache]: Analyzing trace with hash 722466737, now seen corresponding path program 1 times [2024-11-13 15:56:21,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:21,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652543147] [2024-11-13 15:56:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:21,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:21,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524038775] [2024-11-13 15:56:21,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:21,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:21,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:21,518 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:21,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 15:56:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:21,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:56:21,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:56:22,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:23,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652543147] [2024-11-13 15:56:23,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:23,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524038775] [2024-11-13 15:56:23,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524038775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:23,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:56:23,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 15:56:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813280839] [2024-11-13 15:56:23,195 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:56:23,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:56:23,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:23,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:56:23,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:56:23,197 INFO L87 Difference]: Start difference. First operand 435 states and 457 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 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) [2024-11-13 15:56:23,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:23,886 INFO L93 Difference]: Finished difference Result 438 states and 459 transitions. [2024-11-13 15:56:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:56:23,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 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) Word has length 145 [2024-11-13 15:56:23,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:23,889 INFO L225 Difference]: With dead ends: 438 [2024-11-13 15:56:23,889 INFO L226 Difference]: Without dead ends: 400 [2024-11-13 15:56:23,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:56:23,891 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:23,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 136 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:56:23,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-13 15:56:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2024-11-13 15:56:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 368 states have (on average 1.0978260869565217) internal successors, (404), 388 states have internal predecessors, (404), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:23,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 420 transitions. [2024-11-13 15:56:23,920 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 420 transitions. Word has length 145 [2024-11-13 15:56:23,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:23,920 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 420 transitions. [2024-11-13 15:56:23,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 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) [2024-11-13 15:56:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 420 transitions. [2024-11-13 15:56:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-13 15:56:23,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:23,926 INFO L215 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 15:56:23,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 15:56:24,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 15:56:24,127 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:24,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:24,127 INFO L85 PathProgramCache]: Analyzing trace with hash 828862128, now seen corresponding path program 1 times [2024-11-13 15:56:24,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:24,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959078636] [2024-11-13 15:56:24,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:24,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:24,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008064797] [2024-11-13 15:56:24,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:24,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:24,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:24,193 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:24,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 15:56:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:24,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:56:24,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:56:24,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:24,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:24,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959078636] [2024-11-13 15:56:24,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:24,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008064797] [2024-11-13 15:56:24,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008064797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:24,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:56:24,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 15:56:24,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336707538] [2024-11-13 15:56:24,640 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:56:24,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:56:24,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:24,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:56:24,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:56:24,642 INFO L87 Difference]: Start difference. First operand 400 states and 420 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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) [2024-11-13 15:56:25,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:25,359 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2024-11-13 15:56:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:56:25,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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 168 [2024-11-13 15:56:25,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:25,362 INFO L225 Difference]: With dead ends: 445 [2024-11-13 15:56:25,362 INFO L226 Difference]: Without dead ends: 442 [2024-11-13 15:56:25,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:56:25,363 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 156 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:25,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 121 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:56:25,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-13 15:56:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 400. [2024-11-13 15:56:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 368 states have (on average 1.0896739130434783) internal successors, (401), 388 states have internal predecessors, (401), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 417 transitions. [2024-11-13 15:56:25,395 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 417 transitions. Word has length 168 [2024-11-13 15:56:25,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:25,395 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 417 transitions. [2024-11-13 15:56:25,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 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) [2024-11-13 15:56:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 417 transitions. [2024-11-13 15:56:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-13 15:56:25,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:25,402 INFO L215 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, 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] [2024-11-13 15:56:25,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 15:56:25,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 15:56:25,603 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:25,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1967559858, now seen corresponding path program 1 times [2024-11-13 15:56:25,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:25,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707339665] [2024-11-13 15:56:25,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:25,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:25,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025362063] [2024-11-13 15:56:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:25,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:25,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:25,655 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:25,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 15:56:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:25,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:56:25,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:56:26,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:56:26,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:26,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707339665] [2024-11-13 15:56:26,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:56:26,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025362063] [2024-11-13 15:56:26,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025362063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:56:26,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:56:26,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 15:56:26,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999752828] [2024-11-13 15:56:26,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:56:26,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:56:26,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:26,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:56:26,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:56:26,831 INFO L87 Difference]: Start difference. First operand 400 states and 417 transitions. Second operand has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 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) [2024-11-13 15:56:27,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:27,997 INFO L93 Difference]: Finished difference Result 474 states and 499 transitions. [2024-11-13 15:56:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:56:27,998 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 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 170 [2024-11-13 15:56:27,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:28,000 INFO L225 Difference]: With dead ends: 474 [2024-11-13 15:56:28,001 INFO L226 Difference]: Without dead ends: 462 [2024-11-13 15:56:28,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:56:28,002 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 519 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:28,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 257 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:56:28,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-13 15:56:28,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2024-11-13 15:56:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 386 states have (on average 1.0466321243523315) internal successors, (404), 398 states have internal predecessors, (404), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 15:56:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 420 transitions. [2024-11-13 15:56:28,032 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 420 transitions. Word has length 170 [2024-11-13 15:56:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:28,033 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 420 transitions. [2024-11-13 15:56:28,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 34.44444444444444) internal successors, (310), 10 states have internal predecessors, (310), 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) [2024-11-13 15:56:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 420 transitions. [2024-11-13 15:56:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-13 15:56:28,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:28,036 INFO L215 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-13 15:56:28,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 15:56:28,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 15:56:28,241 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2024-11-13 15:56:28,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:28,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1039418036, now seen corresponding path program 1 times [2024-11-13 15:56:28,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:28,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459832325] [2024-11-13 15:56:28,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:28,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:56:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1629980496] [2024-11-13 15:56:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:28,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:28,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:28,298 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:28,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1315360c-e306-4285-8d19-ad77d668a7c2/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 15:56:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:28,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 15:56:28,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:56:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 156 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 15:56:28,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:56:36,946 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false [2024-11-13 15:56:45,046 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:56:57,063 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:57:39,300 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 16:07:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 6 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 94 not checked. [2024-11-13 16:07:35,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:07:35,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459832325] [2024-11-13 16:07:35,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 16:07:35,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629980496] [2024-11-13 16:07:35,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629980496] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 16:07:35,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 16:07:35,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-13 16:07:35,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520953211] [2024-11-13 16:07:35,433 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 16:07:35,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 16:07:35,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:07:35,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 16:07:35,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=135, Unknown=6, NotChecked=24, Total=210 [2024-11-13 16:07:35,436 INFO L87 Difference]: Start difference. First operand 410 states and 420 transitions. Second operand has 15 states, 14 states have (on average 22.785714285714285) internal successors, (319), 15 states have internal predecessors, (319), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 16:07:40,476 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse8 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse9 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (let ((.cse4 (not (= (mod (+ .cse8 .cse9 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse3) 30) 0))) (.cse5 (* .cse0 6)) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| 4)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse7 (* 4 .cse2))) (and (or (< (+ (* .cse0 84) .cse1 (* 12 .cse2) (div (+ (* |c_ULTIMATE.start_main_~y~0#1| 719) .cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 370) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 75)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 120)) 9223372036854775710) .cse4) (or (< (+ .cse5 .cse6 .cse1 .cse7 (div (+ .cse8 .cse9 .cse3 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) .cse4) (<= (+ |c_ULTIMATE.start_main_~x~0#1| .cse1) 9223372036854775807) (< (+ .cse5 |c_ULTIMATE.start_main_~x~0#1| .cse6 .cse1 .cse7) 9223372036854775807)))) is different from false [2024-11-13 16:07:44,493 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse6 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse4 (not (= (mod (+ .cse5 .cse6 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse3) 30) 0)))) (and (or (< (+ (* .cse0 84) .cse1 (* 12 .cse2) (div (+ (* |c_ULTIMATE.start_main_~y~0#1| 719) .cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 370) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 75)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 120)) 9223372036854775710) .cse4) (or (< (+ (* .cse0 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse1 (* 4 .cse2) (div (+ .cse5 .cse6 .cse3 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) .cse4)))) is different from false [2024-11-13 16:08:02,393 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 45 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:08:04,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:08,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:13,049 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (let ((.cse6 (not (= (mod (+ .cse3 .cse4 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse5) 30) 0))) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (or (< (+ (* .cse0 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse1 (* 4 .cse2) (div (+ .cse3 .cse4 .cse5 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) .cse6) (<= (+ |c_ULTIMATE.start_main_~x~0#1| .cse1) 9223372036854775807) (or .cse6 (< (+ (* .cse0 30) .cse1 (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 45) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 130) .cse5 (* |c_ULTIMATE.start_main_~y~0#1| 119)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 32) (* 8 .cse2)) 9223372036854775791))))) is different from false [2024-11-13 16:08:17,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:21,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:25,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:27,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:30,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:34,121 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse5 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (let ((.cse6 (not (= (mod (+ .cse3 .cse4 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse5) 30) 0))) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (or (< (+ (* .cse0 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse1 (* 4 .cse2) (div (+ .cse3 .cse4 .cse5 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) .cse6) (or .cse6 (< (+ (* .cse0 30) .cse1 (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 45) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 130) .cse5 (* |c_ULTIMATE.start_main_~y~0#1| 119)) 30) (* |c_ULTIMATE.start_main_~y~0#1| 32) (* 8 .cse2)) 9223372036854775791))))) is different from false [2024-11-13 16:08:37,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:41,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:44,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:48,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:52,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:08:56,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:00,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:04,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:08,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:12,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:15,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:18,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:22,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:27,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:31,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:09:58,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:00,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:04,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:11,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:15,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:19,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:21,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:25,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:29,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:33,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:37,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:41,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:10:51,161 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (and (let ((.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) .cse0 (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse1 .cse2 .cse3 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) (not (= (mod (+ .cse1 .cse2 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse3) 30) 0)))) (<= (+ |c_ULTIMATE.start_main_~x~0#1| .cse0) 9223372036854775807))) is different from false [2024-11-13 16:10:55,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []