./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0bd5c2784fe43830be309c722c3fa9fc4d3ef116c17a8343acb2a2dfbcf830c0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:54:27,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:54:27,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:54:27,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:54:27,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:54:27,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:54:27,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:54:27,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:54:27,281 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:54:27,281 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:54:27,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:54:27,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:54:27,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:54:27,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:54:27,282 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:54:27,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:54:27,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:54:27,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:54:27,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:54:27,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:54:27,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:54:27,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:54:27,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:54:27,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:54:27,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:54:27,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:54:27,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:54:27,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:54:27,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:54:27,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:54:27,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:54:27,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:54:27,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:54:27,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:54:27,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:54:27,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:54:27,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:54:27,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:54:27,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:54:27,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:54:27,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:54:27,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:54:27,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:54:27,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:54:27,290 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bd5c2784fe43830be309c722c3fa9fc4d3ef116c17a8343acb2a2dfbcf830c0 [2024-11-19 10:54:27,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:54:27,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:54:27,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:54:27,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:54:27,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:54:27,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound100.c [2024-11-19 10:54:28,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:54:29,077 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:54:29,077 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound100.c [2024-11-19 10:54:29,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3f06fc27/23c4f1470d104a4aa0a9fa3abf02d958/FLAG7a25ca52c [2024-11-19 10:54:29,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3f06fc27/23c4f1470d104a4aa0a9fa3abf02d958 [2024-11-19 10:54:29,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:54:29,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:54:29,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:54:29,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:54:29,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:54:29,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3797dd04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29, skipping insertion in model container [2024-11-19 10:54:29,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:54:29,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:54:29,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:54:29,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:54:29,683 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:54:29,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29 WrapperNode [2024-11-19 10:54:29,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:54:29,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:54:29,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:54:29,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:54:29,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,715 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-11-19 10:54:29,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:54:29,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:54:29,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:54:29,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:54:29,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,727 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,744 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]. [2024-11-19 10:54:29,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:54:29,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:54:29,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:54:29,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:54:29,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (1/1) ... [2024-11-19 10:54:29,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:54:29,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:29,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:54:29,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:54:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:54:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:54:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:54:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:54:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:54:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:54:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:54:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:54:29,892 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:54:29,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:54:30,095 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-19 10:54:30,095 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:54:30,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:54:30,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:54:30,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:54:30 BoogieIcfgContainer [2024-11-19 10:54:30,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:54:30,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:54:30,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:54:30,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:54:30,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:54:29" (1/3) ... [2024-11-19 10:54:30,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3a25e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:54:30, skipping insertion in model container [2024-11-19 10:54:30,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:54:29" (2/3) ... [2024-11-19 10:54:30,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3a25e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:54:30, skipping insertion in model container [2024-11-19 10:54:30,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:54:30" (3/3) ... [2024-11-19 10:54:30,118 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound100.c [2024-11-19 10:54:30,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:54:30,134 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-19 10:54:30,185 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:54:30,190 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;@7ba7f75d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:54:30,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-19 10:54:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:54:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:54:30,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:30,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:30,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:30,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:30,207 INFO L85 PathProgramCache]: Analyzing trace with hash -2141166240, now seen corresponding path program 1 times [2024-11-19 10:54:30,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:30,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88014836] [2024-11-19 10:54:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:30,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:54:30,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:30,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88014836] [2024-11-19 10:54:30,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88014836] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403947036] [2024-11-19 10:54:30,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:30,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:30,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:30,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:54:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:30,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:54:30,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:54:30,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:54:30,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403947036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:30,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:30,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:54:30,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756478403] [2024-11-19 10:54:30,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:30,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:54:30,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:30,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:54:30,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:54:30,443 INFO L87 Difference]: Start difference. First operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:54:30,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:30,467 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2024-11-19 10:54:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:54:30,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-19 10:54:30,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:30,475 INFO L225 Difference]: With dead ends: 134 [2024-11-19 10:54:30,475 INFO L226 Difference]: Without dead ends: 62 [2024-11-19 10:54:30,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:54:30,483 INFO L432 NwaCegarLoop]: 72 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, 72 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 [2024-11-19 10:54:30,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:54:30,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-19 10:54:30,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-19 10:54:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 35 states have (on average 1.6857142857142857) internal successors, (59), 56 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:54:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2024-11-19 10:54:30,520 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 15 [2024-11-19 10:54:30,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:30,521 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2024-11-19 10:54:30,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:54:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-19 10:54:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:54:30,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:30,523 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:30,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:54:30,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 10:54:30,728 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:30,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:30,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1382845121, now seen corresponding path program 1 times [2024-11-19 10:54:30,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:30,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879081864] [2024-11-19 10:54:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:30,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:30,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879081864] [2024-11-19 10:54:30,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879081864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:30,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:30,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:30,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381906861] [2024-11-19 10:54:30,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:30,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:30,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:30,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:30,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:30,841 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:30,908 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2024-11-19 10:54:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:30,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-19 10:54:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:30,909 INFO L225 Difference]: With dead ends: 62 [2024-11-19 10:54:30,909 INFO L226 Difference]: Without dead ends: 61 [2024-11-19 10:54:30,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:54:30,910 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 60 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 115 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 [2024-11-19 10:54:30,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 115 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:54:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-19 10:54:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-19 10:54:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 55 states have internal predecessors, (58), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:54:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2024-11-19 10:54:30,924 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 15 [2024-11-19 10:54:30,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:30,925 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2024-11-19 10:54:30,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-19 10:54:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:54:30,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:30,927 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:30,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:54:30,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:30,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:30,929 INFO L85 PathProgramCache]: Analyzing trace with hash 81474253, now seen corresponding path program 1 times [2024-11-19 10:54:30,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:30,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190857812] [2024-11-19 10:54:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:31,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:31,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190857812] [2024-11-19 10:54:31,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190857812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:31,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:31,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:31,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118185435] [2024-11-19 10:54:31,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:31,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:31,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:31,005 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:31,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:31,028 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2024-11-19 10:54:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:54:31,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-19 10:54:31,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:31,029 INFO L225 Difference]: With dead ends: 74 [2024-11-19 10:54:31,029 INFO L226 Difference]: Without dead ends: 65 [2024-11-19 10:54:31,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:54:31,030 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 8 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 168 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 [2024-11-19 10:54:31,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 168 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:54:31,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-19 10:54:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-19 10:54:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 59 states have internal predecessors, (62), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:54:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2024-11-19 10:54:31,036 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 16 [2024-11-19 10:54:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:31,036 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2024-11-19 10:54:31,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2024-11-19 10:54:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 10:54:31,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:31,037 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:31,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:54:31,037 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:31,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:31,038 INFO L85 PathProgramCache]: Analyzing trace with hash 987347375, now seen corresponding path program 1 times [2024-11-19 10:54:31,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:31,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984476460] [2024-11-19 10:54:31,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:31,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:54:31,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417239001] [2024-11-19 10:54:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:31,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:31,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:31,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:31,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:54:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:31,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:54:31,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:31,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:54:31,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:31,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984476460] [2024-11-19 10:54:31,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:31,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417239001] [2024-11-19 10:54:31,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417239001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:31,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:31,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:54:31,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282259463] [2024-11-19 10:54:31,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:31,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:54:31,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:31,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:54:31,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:54:31,109 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:31,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:31,192 INFO L93 Difference]: Finished difference Result 103 states and 115 transitions. [2024-11-19 10:54:31,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:54:31,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-19 10:54:31,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:31,194 INFO L225 Difference]: With dead ends: 103 [2024-11-19 10:54:31,194 INFO L226 Difference]: Without dead ends: 97 [2024-11-19 10:54:31,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:54:31,195 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:31,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 86 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:31,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-19 10:54:31,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2024-11-19 10:54:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 61 states have (on average 1.6065573770491803) internal successors, (98), 81 states have internal predecessors, (98), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:54:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 106 transitions. [2024-11-19 10:54:31,202 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 106 transitions. Word has length 18 [2024-11-19 10:54:31,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:31,202 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 106 transitions. [2024-11-19 10:54:31,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2024-11-19 10:54:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 10:54:31,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:31,203 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:31,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:54:31,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 10:54:31,404 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:31,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -346943343, now seen corresponding path program 1 times [2024-11-19 10:54:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230475206] [2024-11-19 10:54:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:31,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:31,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:31,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230475206] [2024-11-19 10:54:31,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230475206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:31,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:31,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:31,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984723114] [2024-11-19 10:54:31,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:31,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:31,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:31,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:31,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:31,478 INFO L87 Difference]: Start difference. First operand 88 states and 106 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:31,621 INFO L93 Difference]: Finished difference Result 137 states and 173 transitions. [2024-11-19 10:54:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:31,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-19 10:54:31,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:31,624 INFO L225 Difference]: With dead ends: 137 [2024-11-19 10:54:31,624 INFO L226 Difference]: Without dead ends: 130 [2024-11-19 10:54:31,624 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 [2024-11-19 10:54:31,625 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 27 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:31,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 116 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:31,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-19 10:54:31,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2024-11-19 10:54:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 95 states have (on average 1.5578947368421052) internal successors, (148), 115 states have internal predecessors, (148), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:54:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2024-11-19 10:54:31,639 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 20 [2024-11-19 10:54:31,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:31,639 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2024-11-19 10:54:31,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:31,640 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2024-11-19 10:54:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:54:31,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:31,640 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:31,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:54:31,641 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:31,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:31,641 INFO L85 PathProgramCache]: Analyzing trace with hash 2129658312, now seen corresponding path program 1 times [2024-11-19 10:54:31,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:31,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52193145] [2024-11-19 10:54:31,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:31,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:31,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:31,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52193145] [2024-11-19 10:54:31,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52193145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:31,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:31,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:31,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140902031] [2024-11-19 10:54:31,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:31,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:31,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:31,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:31,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:31,832 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:32,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:32,221 INFO L93 Difference]: Finished difference Result 134 states and 163 transitions. [2024-11-19 10:54:32,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:32,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-19 10:54:32,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:32,223 INFO L225 Difference]: With dead ends: 134 [2024-11-19 10:54:32,223 INFO L226 Difference]: Without dead ends: 125 [2024-11-19 10:54:32,224 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 [2024-11-19 10:54:32,225 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 28 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:32,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 120 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:54:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-19 10:54:32,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2024-11-19 10:54:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 111 states have internal predecessors, (139), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:54:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2024-11-19 10:54:32,235 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 21 [2024-11-19 10:54:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:32,235 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2024-11-19 10:54:32,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2024-11-19 10:54:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-19 10:54:32,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:32,236 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:32,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:54:32,237 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:32,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:32,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1594898291, now seen corresponding path program 1 times [2024-11-19 10:54:32,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:32,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655929155] [2024-11-19 10:54:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:32,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:54:32,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:32,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655929155] [2024-11-19 10:54:32,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655929155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:32,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401792188] [2024-11-19 10:54:32,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:32,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:32,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:32,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:32,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:54:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:32,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:54:32,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:32,568 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:54:32,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401792188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:32,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:32,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-19 10:54:32,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283739481] [2024-11-19 10:54:32,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:32,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:32,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:32,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:54:32,570 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:32,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:32,686 INFO L93 Difference]: Finished difference Result 123 states and 155 transitions. [2024-11-19 10:54:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:32,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-19 10:54:32,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:32,688 INFO L225 Difference]: With dead ends: 123 [2024-11-19 10:54:32,688 INFO L226 Difference]: Without dead ends: 122 [2024-11-19 10:54:32,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:54:32,689 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 80 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:32,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 74 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-19 10:54:32,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-19 10:54:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5164835164835164) internal successors, (138), 111 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:54:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-19 10:54:32,698 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 22 [2024-11-19 10:54:32,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:32,699 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-19 10:54:32,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-19 10:54:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:54:32,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:32,700 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] [2024-11-19 10:54:32,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:54:32,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:32,901 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:32,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:32,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2097760470, now seen corresponding path program 1 times [2024-11-19 10:54:32,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:32,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419383134] [2024-11-19 10:54:32,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:32,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:54:32,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864208404] [2024-11-19 10:54:32,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:32,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:32,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:32,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:32,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:54:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:32,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:54:32,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:33,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:54:33,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:33,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419383134] [2024-11-19 10:54:33,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:33,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864208404] [2024-11-19 10:54:33,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864208404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:33,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:33,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:33,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29750458] [2024-11-19 10:54:33,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:33,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:33,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:33,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:33,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:33,064 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:33,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:33,175 INFO L93 Difference]: Finished difference Result 121 states and 150 transitions. [2024-11-19 10:54:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:33,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-19 10:54:33,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:33,176 INFO L225 Difference]: With dead ends: 121 [2024-11-19 10:54:33,176 INFO L226 Difference]: Without dead ends: 120 [2024-11-19 10:54:33,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:54:33,177 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 73 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:33,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 79 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:33,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-19 10:54:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-19 10:54:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 111 states have internal predecessors, (137), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:54:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2024-11-19 10:54:33,192 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 23 [2024-11-19 10:54:33,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:33,193 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2024-11-19 10:54:33,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:54:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2024-11-19 10:54:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 10:54:33,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:33,193 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] [2024-11-19 10:54:33,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:54:33,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:33,394 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:33,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:33,394 INFO L85 PathProgramCache]: Analyzing trace with hash 909892350, now seen corresponding path program 1 times [2024-11-19 10:54:33,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:33,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953377976] [2024-11-19 10:54:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:33,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:54:33,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:33,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953377976] [2024-11-19 10:54:33,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953377976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:33,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879112772] [2024-11-19 10:54:33,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:33,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:33,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:33,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:33,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:54:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:33,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:54:33,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:54:33,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:54:33,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879112772] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:33,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:33,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-19 10:54:33,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146877952] [2024-11-19 10:54:33,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:33,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:54:33,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:33,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:54:33,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:54:33,635 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:54:33,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:33,745 INFO L93 Difference]: Finished difference Result 190 states and 234 transitions. [2024-11-19 10:54:33,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:54:33,746 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 35 [2024-11-19 10:54:33,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:33,747 INFO L225 Difference]: With dead ends: 190 [2024-11-19 10:54:33,747 INFO L226 Difference]: Without dead ends: 188 [2024-11-19 10:54:33,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:54:33,747 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 265 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:33,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 279 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:33,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-19 10:54:33,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 167. [2024-11-19 10:54:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 136 states have (on average 1.5073529411764706) internal successors, (205), 156 states have internal predecessors, (205), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:54:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 221 transitions. [2024-11-19 10:54:33,759 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 221 transitions. Word has length 35 [2024-11-19 10:54:33,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:33,759 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 221 transitions. [2024-11-19 10:54:33,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:54:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2024-11-19 10:54:33,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:54:33,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:33,761 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] [2024-11-19 10:54:33,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:33,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:33,962 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:33,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1858108130, now seen corresponding path program 1 times [2024-11-19 10:54:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:33,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498487335] [2024-11-19 10:54:33,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:34,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:34,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498487335] [2024-11-19 10:54:34,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498487335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:34,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:34,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:34,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398556880] [2024-11-19 10:54:34,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:34,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:34,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:34,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:34,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:34,011 INFO L87 Difference]: Start difference. First operand 167 states and 221 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-19 10:54:34,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:34,049 INFO L93 Difference]: Finished difference Result 177 states and 230 transitions. [2024-11-19 10:54:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:34,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 36 [2024-11-19 10:54:34,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:34,051 INFO L225 Difference]: With dead ends: 177 [2024-11-19 10:54:34,051 INFO L226 Difference]: Without dead ends: 175 [2024-11-19 10:54:34,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:54:34,052 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 78 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:34,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 78 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:54:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-19 10:54:34,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2024-11-19 10:54:34,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 136 states have (on average 1.4705882352941178) internal successors, (200), 154 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:54:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-19 10:54:34,064 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 36 [2024-11-19 10:54:34,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:34,065 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-19 10:54:34,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-19 10:54:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-19 10:54:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:54:34,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:34,066 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:34,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:54:34,066 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:34,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:34,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1360750196, now seen corresponding path program 1 times [2024-11-19 10:54:34,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:34,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704919187] [2024-11-19 10:54:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:34,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:34,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704919187] [2024-11-19 10:54:34,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704919187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:34,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482243711] [2024-11-19 10:54:34,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:34,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:34,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:34,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:34,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:54:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:34,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:54:34,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:34,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:54:34,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482243711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:34,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:34,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 10:54:34,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510512309] [2024-11-19 10:54:34,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:34,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:54:34,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:34,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:54:34,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:54:34,362 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-19 10:54:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:34,473 INFO L93 Difference]: Finished difference Result 175 states and 225 transitions. [2024-11-19 10:54:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:54:34,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 39 [2024-11-19 10:54:34,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:34,475 INFO L225 Difference]: With dead ends: 175 [2024-11-19 10:54:34,475 INFO L226 Difference]: Without dead ends: 174 [2024-11-19 10:54:34,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:54:34,476 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:34,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 187 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-19 10:54:34,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2024-11-19 10:54:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 136 states have (on average 1.4338235294117647) internal successors, (195), 153 states have internal predecessors, (195), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:54:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 211 transitions. [2024-11-19 10:54:34,503 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 211 transitions. Word has length 39 [2024-11-19 10:54:34,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:34,503 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 211 transitions. [2024-11-19 10:54:34,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-11-19 10:54:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 211 transitions. [2024-11-19 10:54:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:54:34,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:34,505 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:34,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:54:34,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:34,712 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:34,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:34,712 INFO L85 PathProgramCache]: Analyzing trace with hash 29303785, now seen corresponding path program 1 times [2024-11-19 10:54:34,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:34,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624537062] [2024-11-19 10:54:34,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:34,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:34,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:34,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624537062] [2024-11-19 10:54:34,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624537062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:34,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754773172] [2024-11-19 10:54:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:34,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:34,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:34,770 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:34,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:54:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:34,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:54:34,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:34,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:34,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754773172] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:34,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:34,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-19 10:54:34,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843043035] [2024-11-19 10:54:34,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:34,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:54:34,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:34,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:54:34,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:54:34,958 INFO L87 Difference]: Start difference. First operand 164 states and 211 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:54:35,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:35,056 INFO L93 Difference]: Finished difference Result 306 states and 363 transitions. [2024-11-19 10:54:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:54:35,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 41 [2024-11-19 10:54:35,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:35,057 INFO L225 Difference]: With dead ends: 306 [2024-11-19 10:54:35,057 INFO L226 Difference]: Without dead ends: 294 [2024-11-19 10:54:35,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:54:35,058 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 135 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:35,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 339 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:54:35,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-19 10:54:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 252. [2024-11-19 10:54:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 218 states have (on average 1.408256880733945) internal successors, (307), 235 states have internal predecessors, (307), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:54:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 329 transitions. [2024-11-19 10:54:35,067 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 329 transitions. Word has length 41 [2024-11-19 10:54:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:35,067 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 329 transitions. [2024-11-19 10:54:35,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:54:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 329 transitions. [2024-11-19 10:54:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:54:35,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:35,068 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:35,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:54:35,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:35,268 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:35,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:35,269 INFO L85 PathProgramCache]: Analyzing trace with hash 29303800, now seen corresponding path program 1 times [2024-11-19 10:54:35,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:35,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690304224] [2024-11-19 10:54:35,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:54:35,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909859266] [2024-11-19 10:54:35,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:35,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:35,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:35,282 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:35,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:54:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:35,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:54:35,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:35,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:35,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:35,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690304224] [2024-11-19 10:54:35,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:35,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909859266] [2024-11-19 10:54:35,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909859266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:35,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:35,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:54:35,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685817771] [2024-11-19 10:54:35,679 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:35,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:54:35,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:35,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:54:35,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:54:35,680 INFO L87 Difference]: Start difference. First operand 252 states and 329 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-19 10:54:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:35,805 INFO L93 Difference]: Finished difference Result 259 states and 332 transitions. [2024-11-19 10:54:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:54:35,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 41 [2024-11-19 10:54:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:35,807 INFO L225 Difference]: With dead ends: 259 [2024-11-19 10:54:35,807 INFO L226 Difference]: Without dead ends: 252 [2024-11-19 10:54:35,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:54:35,808 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 64 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:35,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 83 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:35,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-19 10:54:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 248. [2024-11-19 10:54:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 219 states have (on average 1.3059360730593608) internal successors, (286), 231 states have internal predecessors, (286), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 10:54:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 308 transitions. [2024-11-19 10:54:35,820 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 308 transitions. Word has length 41 [2024-11-19 10:54:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:35,821 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 308 transitions. [2024-11-19 10:54:35,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-19 10:54:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 308 transitions. [2024-11-19 10:54:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 10:54:35,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:35,822 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:35,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:54:36,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:54:36,026 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:36,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:36,026 INFO L85 PathProgramCache]: Analyzing trace with hash 908417853, now seen corresponding path program 1 times [2024-11-19 10:54:36,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:36,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894347463] [2024-11-19 10:54:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:36,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:54:36,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510778992] [2024-11-19 10:54:36,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:36,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:36,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:36,053 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:36,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:54:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:36,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:54:36,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:36,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:36,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:36,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894347463] [2024-11-19 10:54:36,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:36,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510778992] [2024-11-19 10:54:36,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510778992] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:36,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:36,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-19 10:54:36,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095915748] [2024-11-19 10:54:36,681 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:36,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:54:36,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:36,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:54:36,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:54:36,681 INFO L87 Difference]: Start difference. First operand 248 states and 308 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-19 10:54:36,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:36,832 INFO L93 Difference]: Finished difference Result 336 states and 416 transitions. [2024-11-19 10:54:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:54:36,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 42 [2024-11-19 10:54:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:36,834 INFO L225 Difference]: With dead ends: 336 [2024-11-19 10:54:36,834 INFO L226 Difference]: Without dead ends: 331 [2024-11-19 10:54:36,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:54:36,835 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 70 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:36,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 129 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:36,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-19 10:54:36,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 315. [2024-11-19 10:54:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 283 states have (on average 1.2862190812720848) internal successors, (364), 295 states have internal predecessors, (364), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:54:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 392 transitions. [2024-11-19 10:54:36,845 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 392 transitions. Word has length 42 [2024-11-19 10:54:36,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:36,845 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 392 transitions. [2024-11-19 10:54:36,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-19 10:54:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2024-11-19 10:54:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 10:54:36,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:36,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:36,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:54:37,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-19 10:54:37,047 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:37,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:37,047 INFO L85 PathProgramCache]: Analyzing trace with hash 280756176, now seen corresponding path program 1 times [2024-11-19 10:54:37,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:37,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519353011] [2024-11-19 10:54:37,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:37,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:37,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:37,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519353011] [2024-11-19 10:54:37,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519353011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:37,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699420850] [2024-11-19 10:54:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:37,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:37,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:37,120 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:37,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:54:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:37,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:54:37,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:37,274 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:54:37,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699420850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:37,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:37,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-19 10:54:37,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493300801] [2024-11-19 10:54:37,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:37,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:54:37,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:54:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:54:37,278 INFO L87 Difference]: Start difference. First operand 315 states and 392 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-19 10:54:37,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:37,365 INFO L93 Difference]: Finished difference Result 315 states and 392 transitions. [2024-11-19 10:54:37,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:54:37,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 43 [2024-11-19 10:54:37,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:37,366 INFO L225 Difference]: With dead ends: 315 [2024-11-19 10:54:37,367 INFO L226 Difference]: Without dead ends: 313 [2024-11-19 10:54:37,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:54:37,367 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 33 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:37,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 70 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:37,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-19 10:54:37,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 310. [2024-11-19 10:54:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.275) internal successors, (357), 290 states have internal predecessors, (357), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:54:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 385 transitions. [2024-11-19 10:54:37,378 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 385 transitions. Word has length 43 [2024-11-19 10:54:37,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:37,379 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 385 transitions. [2024-11-19 10:54:37,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-19 10:54:37,379 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 385 transitions. [2024-11-19 10:54:37,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 10:54:37,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:37,379 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:37,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:54:37,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:54:37,584 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:37,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:37,584 INFO L85 PathProgramCache]: Analyzing trace with hash 113506921, now seen corresponding path program 1 times [2024-11-19 10:54:37,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:37,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171201183] [2024-11-19 10:54:37,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:37,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:37,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171201183] [2024-11-19 10:54:37,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171201183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:37,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798860938] [2024-11-19 10:54:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:37,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:37,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:37,680 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:37,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:54:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:37,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:54:37,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:37,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:37,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:41,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798860938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:41,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:54:41,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-19 10:54:41,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208952526] [2024-11-19 10:54:41,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:41,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:54:41,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:41,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:54:41,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2024-11-19 10:54:41,782 INFO L87 Difference]: Start difference. First operand 310 states and 385 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:54:41,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:41,928 INFO L93 Difference]: Finished difference Result 318 states and 389 transitions. [2024-11-19 10:54:41,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:54:41,928 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2024-11-19 10:54:41,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:41,930 INFO L225 Difference]: With dead ends: 318 [2024-11-19 10:54:41,930 INFO L226 Difference]: Without dead ends: 310 [2024-11-19 10:54:41,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=31, Invalid=78, Unknown=1, NotChecked=0, Total=110 [2024-11-19 10:54:41,930 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:41,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 164 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:41,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-19 10:54:41,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-11-19 10:54:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.2607142857142857) internal successors, (353), 290 states have internal predecessors, (353), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:54:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 381 transitions. [2024-11-19 10:54:41,940 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 381 transitions. Word has length 44 [2024-11-19 10:54:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:41,940 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 381 transitions. [2024-11-19 10:54:41,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:54:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 381 transitions. [2024-11-19 10:54:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:54:41,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:41,940 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:41,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:42,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-19 10:54:42,141 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:42,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:42,142 INFO L85 PathProgramCache]: Analyzing trace with hash -776252686, now seen corresponding path program 1 times [2024-11-19 10:54:42,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:42,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967709408] [2024-11-19 10:54:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:42,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:42,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:42,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967709408] [2024-11-19 10:54:42,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967709408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:42,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:42,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:42,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253085664] [2024-11-19 10:54:42,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:42,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:42,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:42,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:42,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:42,183 INFO L87 Difference]: Start difference. First operand 310 states and 381 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-19 10:54:42,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:42,287 INFO L93 Difference]: Finished difference Result 317 states and 388 transitions. [2024-11-19 10:54:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:42,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 45 [2024-11-19 10:54:42,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:42,289 INFO L225 Difference]: With dead ends: 317 [2024-11-19 10:54:42,289 INFO L226 Difference]: Without dead ends: 316 [2024-11-19 10:54:42,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:42,290 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:42,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 64 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:42,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-19 10:54:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 310. [2024-11-19 10:54:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.2392857142857143) internal successors, (347), 290 states have internal predecessors, (347), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:54:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 375 transitions. [2024-11-19 10:54:42,303 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 375 transitions. Word has length 45 [2024-11-19 10:54:42,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:42,303 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 375 transitions. [2024-11-19 10:54:42,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-19 10:54:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 375 transitions. [2024-11-19 10:54:42,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:54:42,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:42,303 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:42,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:54:42,304 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:42,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:42,304 INFO L85 PathProgramCache]: Analyzing trace with hash 87381308, now seen corresponding path program 1 times [2024-11-19 10:54:42,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:42,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627263718] [2024-11-19 10:54:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:42,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:54:42,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:42,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627263718] [2024-11-19 10:54:42,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627263718] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:42,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938229634] [2024-11-19 10:54:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:42,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:42,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:42,426 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:42,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:54:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:42,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:54:42,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:42,577 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:54:42,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:54:42,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938229634] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:42,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:42,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-19 10:54:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095104086] [2024-11-19 10:54:42,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:42,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:54:42,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:42,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:54:42,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:54:42,774 INFO L87 Difference]: Start difference. First operand 310 states and 375 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:54:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:43,188 INFO L93 Difference]: Finished difference Result 320 states and 382 transitions. [2024-11-19 10:54:43,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:54:43,188 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-11-19 10:54:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:43,189 INFO L225 Difference]: With dead ends: 320 [2024-11-19 10:54:43,189 INFO L226 Difference]: Without dead ends: 317 [2024-11-19 10:54:43,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 77 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:54:43,190 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 207 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:43,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 175 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:54:43,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-19 10:54:43,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 307. [2024-11-19 10:54:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 280 states have (on average 1.1892857142857143) internal successors, (333), 287 states have internal predecessors, (333), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:54:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 361 transitions. [2024-11-19 10:54:43,214 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 361 transitions. Word has length 45 [2024-11-19 10:54:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:43,214 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 361 transitions. [2024-11-19 10:54:43,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:54:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 361 transitions. [2024-11-19 10:54:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:54:43,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:43,214 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:43,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:54:43,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:54:43,415 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:43,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:43,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1705970571, now seen corresponding path program 1 times [2024-11-19 10:54:43,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:43,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191949076] [2024-11-19 10:54:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:43,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:43,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:43,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191949076] [2024-11-19 10:54:43,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191949076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:43,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:54:43,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:54:43,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387435486] [2024-11-19 10:54:43,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:43,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:54:43,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:43,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:54:43,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:43,493 INFO L87 Difference]: Start difference. First operand 307 states and 361 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-19 10:54:43,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:43,657 INFO L93 Difference]: Finished difference Result 314 states and 368 transitions. [2024-11-19 10:54:43,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:54:43,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 46 [2024-11-19 10:54:43,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:43,664 INFO L225 Difference]: With dead ends: 314 [2024-11-19 10:54:43,664 INFO L226 Difference]: Without dead ends: 313 [2024-11-19 10:54:43,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:54:43,668 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:43,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 76 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:54:43,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-19 10:54:43,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 307. [2024-11-19 10:54:43,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 280 states have (on average 1.167857142857143) internal successors, (327), 287 states have internal predecessors, (327), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-19 10:54:43,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 355 transitions. [2024-11-19 10:54:43,679 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 355 transitions. Word has length 46 [2024-11-19 10:54:43,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:43,679 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 355 transitions. [2024-11-19 10:54:43,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-19 10:54:43,679 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 355 transitions. [2024-11-19 10:54:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:54:43,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:43,679 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-19 10:54:43,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:54:43,680 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:43,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:43,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1586146687, now seen corresponding path program 1 times [2024-11-19 10:54:43,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:43,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641119883] [2024-11-19 10:54:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:43,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:54:43,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892181069] [2024-11-19 10:54:43,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:43,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:43,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:43,688 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:43,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:54:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:43,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:54:43,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:43,891 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:43,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:44,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:44,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641119883] [2024-11-19 10:54:44,035 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:44,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892181069] [2024-11-19 10:54:44,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892181069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:44,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:54:44,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-19 10:54:44,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423111155] [2024-11-19 10:54:44,036 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:44,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:54:44,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:44,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:54:44,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:54:44,037 INFO L87 Difference]: Start difference. First operand 307 states and 355 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:54:44,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:44,508 INFO L93 Difference]: Finished difference Result 411 states and 473 transitions. [2024-11-19 10:54:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:54:44,508 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2024-11-19 10:54:44,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:44,509 INFO L225 Difference]: With dead ends: 411 [2024-11-19 10:54:44,509 INFO L226 Difference]: Without dead ends: 291 [2024-11-19 10:54:44,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:54:44,510 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 83 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:44,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 144 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:54:44,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-19 10:54:44,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 285. [2024-11-19 10:54:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 260 states have (on average 1.1384615384615384) internal successors, (296), 266 states have internal predecessors, (296), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 10:54:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 322 transitions. [2024-11-19 10:54:44,519 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 322 transitions. Word has length 46 [2024-11-19 10:54:44,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:44,520 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 322 transitions. [2024-11-19 10:54:44,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:54:44,520 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 322 transitions. [2024-11-19 10:54:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:54:44,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:44,520 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:44,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:54:44,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-19 10:54:44,721 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:44,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:44,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1884112250, now seen corresponding path program 2 times [2024-11-19 10:54:44,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:44,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132197470] [2024-11-19 10:54:44,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:44,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:44,732 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:44,732 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:54:44,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663161838] [2024-11-19 10:54:44,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:44,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:44,738 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:44,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:54:44,777 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:44,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:44,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:54:44,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:54:44,880 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:54:45,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:45,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132197470] [2024-11-19 10:54:45,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:45,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663161838] [2024-11-19 10:54:45,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663161838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:45,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:54:45,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-19 10:54:45,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055255677] [2024-11-19 10:54:45,150 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:45,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:54:45,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:45,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:54:45,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:54:45,151 INFO L87 Difference]: Start difference. First operand 285 states and 322 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:54:45,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:45,830 INFO L93 Difference]: Finished difference Result 450 states and 525 transitions. [2024-11-19 10:54:45,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:54:45,831 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 65 [2024-11-19 10:54:45,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:45,832 INFO L225 Difference]: With dead ends: 450 [2024-11-19 10:54:45,832 INFO L226 Difference]: Without dead ends: 441 [2024-11-19 10:54:45,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:54:45,833 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 147 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:45,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 284 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:54:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-19 10:54:45,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 403. [2024-11-19 10:54:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 372 states have (on average 1.1612903225806452) internal successors, (432), 378 states have internal predecessors, (432), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:54:45,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 470 transitions. [2024-11-19 10:54:45,848 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 470 transitions. Word has length 65 [2024-11-19 10:54:45,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:45,848 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 470 transitions. [2024-11-19 10:54:45,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:54:45,849 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 470 transitions. [2024-11-19 10:54:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:54:45,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:45,849 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:45,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:46,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:46,050 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:46,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:46,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1626594472, now seen corresponding path program 2 times [2024-11-19 10:54:46,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:46,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318577961] [2024-11-19 10:54:46,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:46,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:46,059 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:46,059 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:54:46,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:46,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318577961] [2024-11-19 10:54:46,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318577961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:46,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217555050] [2024-11-19 10:54:46,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:46,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:46,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:46,167 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:46,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:54:46,204 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:46,204 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:46,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:54:46,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:54:46,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:46,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217555050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:46,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:54:46,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2024-11-19 10:54:46,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769031700] [2024-11-19 10:54:46,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:46,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:54:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:46,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:54:46,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:54:46,415 INFO L87 Difference]: Start difference. First operand 403 states and 470 transitions. Second operand has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:54:46,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:46,736 INFO L93 Difference]: Finished difference Result 411 states and 474 transitions. [2024-11-19 10:54:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:54:46,736 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 67 [2024-11-19 10:54:46,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:46,737 INFO L225 Difference]: With dead ends: 411 [2024-11-19 10:54:46,738 INFO L226 Difference]: Without dead ends: 403 [2024-11-19 10:54:46,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:54:46,738 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 25 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:46,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 207 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:54:46,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-19 10:54:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-19 10:54:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 372 states have (on average 1.1505376344086022) internal successors, (428), 378 states have internal predecessors, (428), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:54:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 466 transitions. [2024-11-19 10:54:46,752 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 466 transitions. Word has length 67 [2024-11-19 10:54:46,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:46,752 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 466 transitions. [2024-11-19 10:54:46,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-19 10:54:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 466 transitions. [2024-11-19 10:54:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 10:54:46,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:46,753 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:46,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:46,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:46,954 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:46,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:46,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1718084489, now seen corresponding path program 3 times [2024-11-19 10:54:46,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:46,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774248637] [2024-11-19 10:54:46,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:54:46,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:46,967 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 10:54:46,968 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 10:54:47,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:47,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774248637] [2024-11-19 10:54:47,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774248637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:47,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448758747] [2024-11-19 10:54:47,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:54:47,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:47,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:47,071 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:47,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:54:47,105 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-19 10:54:47,106 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:47,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:54:47,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-19 10:54:47,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:54:47,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448758747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:54:47,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:47,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-19 10:54:47,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541496363] [2024-11-19 10:54:47,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:54:47,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:54:47,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:47,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:54:47,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:54:47,199 INFO L87 Difference]: Start difference. First operand 403 states and 466 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-11-19 10:54:47,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:47,255 INFO L93 Difference]: Finished difference Result 411 states and 470 transitions. [2024-11-19 10:54:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:54:47,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 90 [2024-11-19 10:54:47,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:47,257 INFO L225 Difference]: With dead ends: 411 [2024-11-19 10:54:47,257 INFO L226 Difference]: Without dead ends: 404 [2024-11-19 10:54:47,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:54:47,258 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 30 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:47,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 97 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:54:47,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-19 10:54:47,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 394. [2024-11-19 10:54:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 363 states have (on average 1.140495867768595) internal successors, (414), 369 states have internal predecessors, (414), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-19 10:54:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 452 transitions. [2024-11-19 10:54:47,286 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 452 transitions. Word has length 90 [2024-11-19 10:54:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:47,286 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 452 transitions. [2024-11-19 10:54:47,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-11-19 10:54:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 452 transitions. [2024-11-19 10:54:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 10:54:47,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:47,287 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:47,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:47,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-19 10:54:47,488 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:47,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:47,488 INFO L85 PathProgramCache]: Analyzing trace with hash 938127955, now seen corresponding path program 1 times [2024-11-19 10:54:47,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:47,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121455389] [2024-11-19 10:54:47,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:47,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 10:54:47,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:47,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121455389] [2024-11-19 10:54:47,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121455389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:47,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531754690] [2024-11-19 10:54:47,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:47,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:47,593 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:47,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:54:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:47,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:54:47,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 10:54:47,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-19 10:54:47,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531754690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:47,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:47,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-19 10:54:47,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612181248] [2024-11-19 10:54:47,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:47,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:54:47,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:47,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:54:47,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:54:47,870 INFO L87 Difference]: Start difference. First operand 394 states and 452 transitions. Second operand has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:54:48,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:48,318 INFO L93 Difference]: Finished difference Result 1083 states and 1271 transitions. [2024-11-19 10:54:48,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 10:54:48,318 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 90 [2024-11-19 10:54:48,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:48,321 INFO L225 Difference]: With dead ends: 1083 [2024-11-19 10:54:48,321 INFO L226 Difference]: Without dead ends: 1057 [2024-11-19 10:54:48,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2024-11-19 10:54:48,322 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 186 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:48,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 183 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:54:48,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-19 10:54:48,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 985. [2024-11-19 10:54:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 928 states have (on average 1.1174568965517242) internal successors, (1037), 934 states have internal predecessors, (1037), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-19 10:54:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1127 transitions. [2024-11-19 10:54:48,371 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1127 transitions. Word has length 90 [2024-11-19 10:54:48,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:48,371 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1127 transitions. [2024-11-19 10:54:48,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:54:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1127 transitions. [2024-11-19 10:54:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-19 10:54:48,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:48,372 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:48,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:48,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:48,573 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:48,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1915498629, now seen corresponding path program 1 times [2024-11-19 10:54:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558560946] [2024-11-19 10:54:48,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:54:48,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:48,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558560946] [2024-11-19 10:54:48,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558560946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:48,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570637906] [2024-11-19 10:54:48,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:48,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:48,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:48,629 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:48,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:54:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:48,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:54:48,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:54:48,736 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:54:48,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570637906] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:48,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:48,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:54:48,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510326283] [2024-11-19 10:54:48,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:48,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:54:48,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:48,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:54:48,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:54:48,839 INFO L87 Difference]: Start difference. First operand 985 states and 1127 transitions. Second operand has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-19 10:54:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:49,029 INFO L93 Difference]: Finished difference Result 1843 states and 2204 transitions. [2024-11-19 10:54:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:54:49,029 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 100 [2024-11-19 10:54:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:49,033 INFO L225 Difference]: With dead ends: 1843 [2024-11-19 10:54:49,033 INFO L226 Difference]: Without dead ends: 1841 [2024-11-19 10:54:49,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:54:49,034 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 66 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:49,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 188 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-11-19 10:54:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1813. [2024-11-19 10:54:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1715 states have (on average 1.103790087463557) internal successors, (1893), 1720 states have internal predecessors, (1893), 87 states have call successors, (87), 5 states have call predecessors, (87), 5 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-19 10:54:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2067 transitions. [2024-11-19 10:54:49,117 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2067 transitions. Word has length 100 [2024-11-19 10:54:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:49,117 INFO L471 AbstractCegarLoop]: Abstraction has 1813 states and 2067 transitions. [2024-11-19 10:54:49,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-19 10:54:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2067 transitions. [2024-11-19 10:54:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 10:54:49,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:49,119 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:49,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:49,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:49,323 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:49,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:49,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1124255409, now seen corresponding path program 1 times [2024-11-19 10:54:49,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:49,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988830565] [2024-11-19 10:54:49,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:49,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-19 10:54:49,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:49,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988830565] [2024-11-19 10:54:49,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988830565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:49,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274894076] [2024-11-19 10:54:49,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:49,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:49,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:49,380 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:49,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:54:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:49,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:54:49,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-19 10:54:49,501 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 66 proven. 30 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-19 10:54:49,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274894076] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:49,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:49,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2024-11-19 10:54:49,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668131669] [2024-11-19 10:54:49,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:49,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:54:49,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:49,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:54:49,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:54:49,587 INFO L87 Difference]: Start difference. First operand 1813 states and 2067 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-19 10:54:49,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:49,965 INFO L93 Difference]: Finished difference Result 2907 states and 3356 transitions. [2024-11-19 10:54:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 10:54:49,966 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) Word has length 103 [2024-11-19 10:54:49,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:49,971 INFO L225 Difference]: With dead ends: 2907 [2024-11-19 10:54:49,971 INFO L226 Difference]: Without dead ends: 2354 [2024-11-19 10:54:49,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 197 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:54:49,974 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 116 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:49,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 334 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:54:49,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2024-11-19 10:54:50,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 1956. [2024-11-19 10:54:50,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1850 states have (on average 1.1021621621621622) internal successors, (2039), 1855 states have internal predecessors, (2039), 95 states have call successors, (95), 5 states have call predecessors, (95), 5 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-19 10:54:50,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2229 transitions. [2024-11-19 10:54:50,109 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2229 transitions. Word has length 103 [2024-11-19 10:54:50,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:50,109 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2229 transitions. [2024-11-19 10:54:50,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-19 10:54:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2229 transitions. [2024-11-19 10:54:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 10:54:50,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:50,114 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:50,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-19 10:54:50,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:50,315 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:50,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:50,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1977386885, now seen corresponding path program 1 times [2024-11-19 10:54:50,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:50,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986016326] [2024-11-19 10:54:50,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:50,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:54:50,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:50,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986016326] [2024-11-19 10:54:50,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986016326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:50,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118930795] [2024-11-19 10:54:50,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:50,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:50,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:50,373 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:50,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:54:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:50,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:54:50,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:54:50,488 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-19 10:54:50,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118930795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:50,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:50,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:54:50,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178172532] [2024-11-19 10:54:50,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:50,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:54:50,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:50,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:54:50,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:54:50,602 INFO L87 Difference]: Start difference. First operand 1956 states and 2229 transitions. Second operand has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-19 10:54:50,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:50,791 INFO L93 Difference]: Finished difference Result 2895 states and 3350 transitions. [2024-11-19 10:54:50,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:54:50,792 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 103 [2024-11-19 10:54:50,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:50,798 INFO L225 Difference]: With dead ends: 2895 [2024-11-19 10:54:50,798 INFO L226 Difference]: Without dead ends: 2894 [2024-11-19 10:54:50,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:54:50,799 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 90 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:50,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 270 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:50,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2024-11-19 10:54:50,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2846. [2024-11-19 10:54:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 2693 states have (on average 1.1188265874489418) internal successors, (3013), 2698 states have internal predecessors, (3013), 142 states have call successors, (142), 5 states have call predecessors, (142), 5 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-19 10:54:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3297 transitions. [2024-11-19 10:54:50,884 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3297 transitions. Word has length 103 [2024-11-19 10:54:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:50,884 INFO L471 AbstractCegarLoop]: Abstraction has 2846 states and 3297 transitions. [2024-11-19 10:54:50,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-19 10:54:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3297 transitions. [2024-11-19 10:54:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-19 10:54:50,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:50,886 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:50,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:51,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-19 10:54:51,087 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:51,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:51,087 INFO L85 PathProgramCache]: Analyzing trace with hash 195229521, now seen corresponding path program 1 times [2024-11-19 10:54:51,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:51,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862690370] [2024-11-19 10:54:51,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:51,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 58 proven. 128 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-19 10:54:51,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:51,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862690370] [2024-11-19 10:54:51,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862690370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:51,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649027228] [2024-11-19 10:54:51,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:51,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:51,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:51,313 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:51,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:54:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:51,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:54:51,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-19 10:54:51,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-19 10:54:51,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649027228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:51,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:51,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-19 10:54:51,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269829691] [2024-11-19 10:54:51,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:51,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:54:51,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:51,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:54:51,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:54:51,805 INFO L87 Difference]: Start difference. First operand 2846 states and 3297 transitions. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-19 10:54:52,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:52,252 INFO L93 Difference]: Finished difference Result 5713 states and 6731 transitions. [2024-11-19 10:54:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:54:52,252 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 134 [2024-11-19 10:54:52,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:52,265 INFO L225 Difference]: With dead ends: 5713 [2024-11-19 10:54:52,265 INFO L226 Difference]: Without dead ends: 4294 [2024-11-19 10:54:52,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 259 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:54:52,271 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 75 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:52,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 381 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:54:52,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2024-11-19 10:54:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 3114. [2024-11-19 10:54:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2947 states have (on average 1.1153715643026807) internal successors, (3287), 2952 states have internal predecessors, (3287), 156 states have call successors, (156), 5 states have call predecessors, (156), 5 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-19 10:54:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3599 transitions. [2024-11-19 10:54:52,493 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3599 transitions. Word has length 134 [2024-11-19 10:54:52,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:52,497 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 3599 transitions. [2024-11-19 10:54:52,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-19 10:54:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3599 transitions. [2024-11-19 10:54:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 10:54:52,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:52,499 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:52,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-19 10:54:52,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-19 10:54:52,701 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:52,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:52,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1924404516, now seen corresponding path program 2 times [2024-11-19 10:54:52,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:52,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592710293] [2024-11-19 10:54:52,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:52,726 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:52,729 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:53,159 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:54:53,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:53,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592710293] [2024-11-19 10:54:53,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592710293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:53,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112125547] [2024-11-19 10:54:53,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:53,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:53,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:53,165 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:53,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:54:53,250 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:53,250 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:53,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:54:53,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:54:53,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-19 10:54:53,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112125547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:53,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:54:53,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 16] total 31 [2024-11-19 10:54:53,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744586] [2024-11-19 10:54:53,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:53,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-19 10:54:53,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:53,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-19 10:54:53,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=672, Unknown=0, NotChecked=0, Total=930 [2024-11-19 10:54:53,864 INFO L87 Difference]: Start difference. First operand 3114 states and 3599 transitions. Second operand has 31 states, 31 states have (on average 8.419354838709678) internal successors, (261), 31 states have internal predecessors, (261), 14 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 14 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-19 10:54:54,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:54,591 INFO L93 Difference]: Finished difference Result 10561 states and 12323 transitions. [2024-11-19 10:54:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-19 10:54:54,591 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 8.419354838709678) internal successors, (261), 31 states have internal predecessors, (261), 14 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 14 states have call predecessors, (24), 14 states have call successors, (24) Word has length 157 [2024-11-19 10:54:54,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:54,612 INFO L225 Difference]: With dead ends: 10561 [2024-11-19 10:54:54,612 INFO L226 Difference]: Without dead ends: 10553 [2024-11-19 10:54:54,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1028, Invalid=2164, Unknown=0, NotChecked=0, Total=3192 [2024-11-19 10:54:54,614 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 234 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:54,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 499 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:54:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10553 states. [2024-11-19 10:54:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10553 to 10478. [2024-11-19 10:54:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10478 states, 9948 states have (on average 1.089264173703257) internal successors, (10836), 9954 states have internal predecessors, (10836), 509 states have call successors, (509), 15 states have call predecessors, (509), 15 states have return successors, (509), 508 states have call predecessors, (509), 509 states have call successors, (509) [2024-11-19 10:54:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10478 states to 10478 states and 11854 transitions. [2024-11-19 10:54:55,006 INFO L78 Accepts]: Start accepts. Automaton has 10478 states and 11854 transitions. Word has length 157 [2024-11-19 10:54:55,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:55,007 INFO L471 AbstractCegarLoop]: Abstraction has 10478 states and 11854 transitions. [2024-11-19 10:54:55,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.419354838709678) internal successors, (261), 31 states have internal predecessors, (261), 14 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 14 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-19 10:54:55,008 INFO L276 IsEmpty]: Start isEmpty. Operand 10478 states and 11854 transitions. [2024-11-19 10:54:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 10:54:55,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:55,010 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:55,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:54:55,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-19 10:54:55,213 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:55,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:55,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1924404934, now seen corresponding path program 1 times [2024-11-19 10:54:55,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:55,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187611860] [2024-11-19 10:54:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:54:55,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001803604] [2024-11-19 10:54:55,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:54:55,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:55,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:55,229 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:55,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-19 10:54:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:54:55,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-19 10:54:55,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 15 proven. 289 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-19 10:54:55,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:56,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:56,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187611860] [2024-11-19 10:54:56,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:56,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001803604] [2024-11-19 10:54:56,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001803604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:54:56,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:54:56,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-19 10:54:56,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128396965] [2024-11-19 10:54:56,547 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:56,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:54:56,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:56,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:54:56,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:54:56,548 INFO L87 Difference]: Start difference. First operand 10478 states and 11854 transitions. Second operand has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:54:57,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:54:57,540 INFO L93 Difference]: Finished difference Result 11307 states and 12793 transitions. [2024-11-19 10:54:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:54:57,540 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 157 [2024-11-19 10:54:57,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:54:57,572 INFO L225 Difference]: With dead ends: 11307 [2024-11-19 10:54:57,572 INFO L226 Difference]: Without dead ends: 11303 [2024-11-19 10:54:57,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:54:57,576 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 83 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:54:57,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 707 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:54:57,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2024-11-19 10:54:57,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 10449. [2024-11-19 10:54:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10449 states, 9920 states have (on average 1.0891129032258065) internal successors, (10804), 9926 states have internal predecessors, (10804), 508 states have call successors, (508), 15 states have call predecessors, (508), 15 states have return successors, (508), 507 states have call predecessors, (508), 508 states have call successors, (508) [2024-11-19 10:54:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10449 states to 10449 states and 11820 transitions. [2024-11-19 10:54:58,009 INFO L78 Accepts]: Start accepts. Automaton has 10449 states and 11820 transitions. Word has length 157 [2024-11-19 10:54:58,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:54:58,009 INFO L471 AbstractCegarLoop]: Abstraction has 10449 states and 11820 transitions. [2024-11-19 10:54:58,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:54:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 10449 states and 11820 transitions. [2024-11-19 10:54:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 10:54:58,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:54:58,012 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:54:58,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-19 10:54:58,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:58,216 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:54:58,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:54:58,217 INFO L85 PathProgramCache]: Analyzing trace with hash -111175832, now seen corresponding path program 2 times [2024-11-19 10:54:58,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:54:58,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117229202] [2024-11-19 10:54:58,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:58,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:54:58,239 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:58,240 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:54:58,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1840047309] [2024-11-19 10:54:58,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:54:58,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:54:58,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:54:58,243 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:54:58,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-19 10:54:58,293 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:54:58,293 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:54:58,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:54:58,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:54:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-19 10:54:58,559 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:54:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-19 10:54:59,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:54:59,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117229202] [2024-11-19 10:54:59,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:54:59,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840047309] [2024-11-19 10:54:59,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840047309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:54:59,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:54:59,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-19 10:54:59,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712778055] [2024-11-19 10:54:59,118 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:54:59,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:54:59,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:54:59,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:54:59,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:54:59,119 INFO L87 Difference]: Start difference. First operand 10449 states and 11820 transitions. Second operand has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-19 10:55:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:01,017 INFO L93 Difference]: Finished difference Result 12941 states and 14662 transitions. [2024-11-19 10:55:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 10:55:01,018 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 157 [2024-11-19 10:55:01,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:01,037 INFO L225 Difference]: With dead ends: 12941 [2024-11-19 10:55:01,037 INFO L226 Difference]: Without dead ends: 12919 [2024-11-19 10:55:01,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:55:01,039 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 321 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:01,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 557 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 10:55:01,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12919 states. [2024-11-19 10:55:01,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12919 to 12696. [2024-11-19 10:55:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12696 states, 12053 states have (on average 1.0881108437733344) internal successors, (13115), 12061 states have internal predecessors, (13115), 622 states have call successors, (622), 15 states have call predecessors, (622), 15 states have return successors, (622), 619 states have call predecessors, (622), 622 states have call successors, (622) [2024-11-19 10:55:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12696 states to 12696 states and 14359 transitions. [2024-11-19 10:55:01,674 INFO L78 Accepts]: Start accepts. Automaton has 12696 states and 14359 transitions. Word has length 157 [2024-11-19 10:55:01,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:01,675 INFO L471 AbstractCegarLoop]: Abstraction has 12696 states and 14359 transitions. [2024-11-19 10:55:01,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-19 10:55:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 12696 states and 14359 transitions. [2024-11-19 10:55:01,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 10:55:01,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:01,677 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:01,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:01,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:01,882 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:01,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:01,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1837625658, now seen corresponding path program 3 times [2024-11-19 10:55:01,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:01,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645049791] [2024-11-19 10:55:01,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:01,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:01,912 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-19 10:55:01,912 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:55:01,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362092859] [2024-11-19 10:55:01,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:01,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:01,918 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:01,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-19 10:55:01,958 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 10:55:01,959 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:01,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:55:01,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 131 proven. 8 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-19 10:55:02,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:02,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:02,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645049791] [2024-11-19 10:55:02,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:55:02,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362092859] [2024-11-19 10:55:02,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362092859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:02,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:55:02,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-19 10:55:02,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245143630] [2024-11-19 10:55:02,367 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:02,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:55:02,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:02,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:55:02,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:55:02,368 INFO L87 Difference]: Start difference. First operand 12696 states and 14359 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:55:02,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:02,664 INFO L93 Difference]: Finished difference Result 13478 states and 15269 transitions. [2024-11-19 10:55:02,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:55:02,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 157 [2024-11-19 10:55:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:02,678 INFO L225 Difference]: With dead ends: 13478 [2024-11-19 10:55:02,679 INFO L226 Difference]: Without dead ends: 7612 [2024-11-19 10:55:02,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:55:02,687 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 29 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:02,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 104 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:55:02,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7612 states. [2024-11-19 10:55:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7612 to 7599. [2024-11-19 10:55:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7599 states, 7202 states have (on average 1.0896973063038045) internal successors, (7848), 7211 states have internal predecessors, (7848), 376 states have call successors, (376), 15 states have call predecessors, (376), 15 states have return successors, (376), 372 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-19 10:55:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 8600 transitions. [2024-11-19 10:55:03,025 INFO L78 Accepts]: Start accepts. Automaton has 7599 states and 8600 transitions. Word has length 157 [2024-11-19 10:55:03,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:03,025 INFO L471 AbstractCegarLoop]: Abstraction has 7599 states and 8600 transitions. [2024-11-19 10:55:03,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:55:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7599 states and 8600 transitions. [2024-11-19 10:55:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-19 10:55:03,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:03,029 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:03,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:03,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-19 10:55:03,230 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:03,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:03,230 INFO L85 PathProgramCache]: Analyzing trace with hash 2333843, now seen corresponding path program 2 times [2024-11-19 10:55:03,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:03,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643814573] [2024-11-19 10:55:03,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:03,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:03,244 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:03,245 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 50 proven. 59 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-19 10:55:03,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:03,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643814573] [2024-11-19 10:55:03,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643814573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:03,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837242907] [2024-11-19 10:55:03,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:03,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:03,831 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:03,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-19 10:55:03,887 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:03,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:03,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:55:03,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-19 10:55:04,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-19 10:55:04,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837242907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:55:04,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:55:04,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 30 [2024-11-19 10:55:04,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428275970] [2024-11-19 10:55:04,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:04,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-19 10:55:04,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:04,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-19 10:55:04,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2024-11-19 10:55:04,512 INFO L87 Difference]: Start difference. First operand 7599 states and 8600 transitions. Second operand has 31 states, 30 states have (on average 10.633333333333333) internal successors, (319), 30 states have internal predecessors, (319), 18 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-19 10:55:07,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:07,693 INFO L93 Difference]: Finished difference Result 8699 states and 9844 transitions. [2024-11-19 10:55:07,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-19 10:55:07,694 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 10.633333333333333) internal successors, (319), 30 states have internal predecessors, (319), 18 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) Word has length 182 [2024-11-19 10:55:07,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:07,703 INFO L225 Difference]: With dead ends: 8699 [2024-11-19 10:55:07,704 INFO L226 Difference]: Without dead ends: 8693 [2024-11-19 10:55:07,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 353 SyntacticMatches, 1 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8093 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4760, Invalid=15262, Unknown=0, NotChecked=0, Total=20022 [2024-11-19 10:55:07,708 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 914 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:07,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 312 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 10:55:07,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8693 states. [2024-11-19 10:55:08,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8693 to 7058. [2024-11-19 10:55:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7058 states, 6663 states have (on average 1.0384211316223924) internal successors, (6919), 6708 states have internal predecessors, (6919), 376 states have call successors, (376), 15 states have call predecessors, (376), 15 states have return successors, (376), 334 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-19 10:55:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 7671 transitions. [2024-11-19 10:55:08,042 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 7671 transitions. Word has length 182 [2024-11-19 10:55:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:08,047 INFO L471 AbstractCegarLoop]: Abstraction has 7058 states and 7671 transitions. [2024-11-19 10:55:08,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 10.633333333333333) internal successors, (319), 30 states have internal predecessors, (319), 18 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-19 10:55:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 7671 transitions. [2024-11-19 10:55:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-19 10:55:08,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:08,053 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:08,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:08,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-19 10:55:08,254 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:08,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:08,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1047457370, now seen corresponding path program 3 times [2024-11-19 10:55:08,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:08,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121126463] [2024-11-19 10:55:08,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:08,294 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-19 10:55:08,295 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 160 proven. 372 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-19 10:55:08,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:08,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121126463] [2024-11-19 10:55:08,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121126463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:08,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639356872] [2024-11-19 10:55:08,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:08,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:08,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:08,555 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:08,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-19 10:55:08,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 10:55:08,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:08,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:55:08,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-19 10:55:09,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:09,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639356872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:09,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:55:09,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2024-11-19 10:55:09,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908822750] [2024-11-19 10:55:09,435 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:09,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-19 10:55:09,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:09,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-19 10:55:09,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:55:09,436 INFO L87 Difference]: Start difference. First operand 7058 states and 7671 transitions. Second operand has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-19 10:55:10,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:10,805 INFO L93 Difference]: Finished difference Result 11725 states and 12771 transitions. [2024-11-19 10:55:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-19 10:55:10,805 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 203 [2024-11-19 10:55:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:10,829 INFO L225 Difference]: With dead ends: 11725 [2024-11-19 10:55:10,830 INFO L226 Difference]: Without dead ends: 9062 [2024-11-19 10:55:10,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=229, Invalid=1493, Unknown=0, NotChecked=0, Total=1722 [2024-11-19 10:55:10,844 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 190 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:10,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1645 Invalid, 2467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2453 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 10:55:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9062 states. [2024-11-19 10:55:11,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9062 to 7949. [2024-11-19 10:55:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7949 states, 7506 states have (on average 1.0327737809752198) internal successors, (7752), 7554 states have internal predecessors, (7752), 424 states have call successors, (424), 15 states have call predecessors, (424), 15 states have return successors, (424), 379 states have call predecessors, (424), 424 states have call successors, (424) [2024-11-19 10:55:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7949 states to 7949 states and 8600 transitions. [2024-11-19 10:55:11,194 INFO L78 Accepts]: Start accepts. Automaton has 7949 states and 8600 transitions. Word has length 203 [2024-11-19 10:55:11,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:11,196 INFO L471 AbstractCegarLoop]: Abstraction has 7949 states and 8600 transitions. [2024-11-19 10:55:11,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-19 10:55:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 7949 states and 8600 transitions. [2024-11-19 10:55:11,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-19 10:55:11,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:11,201 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:11,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-19 10:55:11,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:11,402 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:11,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:11,403 INFO L85 PathProgramCache]: Analyzing trace with hash -295614854, now seen corresponding path program 2 times [2024-11-19 10:55:11,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:11,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681965031] [2024-11-19 10:55:11,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:11,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:11,417 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:11,417 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:11,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:11,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681965031] [2024-11-19 10:55:11,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681965031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:11,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88557673] [2024-11-19 10:55:11,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:11,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:11,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:11,590 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:11,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 10:55:11,655 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:11,656 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:11,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:55:11,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:11,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:12,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88557673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:55:12,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:55:12,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-19 10:55:12,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704966307] [2024-11-19 10:55:12,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:12,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 10:55:12,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:12,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 10:55:12,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:55:12,061 INFO L87 Difference]: Start difference. First operand 7949 states and 8600 transitions. Second operand has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-19 10:55:12,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:12,563 INFO L93 Difference]: Finished difference Result 11224 states and 12382 transitions. [2024-11-19 10:55:12,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:55:12,563 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 215 [2024-11-19 10:55:12,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:12,577 INFO L225 Difference]: With dead ends: 11224 [2024-11-19 10:55:12,577 INFO L226 Difference]: Without dead ends: 11223 [2024-11-19 10:55:12,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:55:12,580 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 26 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:12,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 234 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:55:12,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11223 states. [2024-11-19 10:55:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11223 to 11223. [2024-11-19 10:55:13,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11223 states, 10608 states have (on average 1.0378016591251886) internal successors, (11009), 10654 states have internal predecessors, (11009), 596 states have call successors, (596), 15 states have call predecessors, (596), 15 states have return successors, (596), 553 states have call predecessors, (596), 596 states have call successors, (596) [2024-11-19 10:55:13,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11223 states to 11223 states and 12201 transitions. [2024-11-19 10:55:13,172 INFO L78 Accepts]: Start accepts. Automaton has 11223 states and 12201 transitions. Word has length 215 [2024-11-19 10:55:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:13,172 INFO L471 AbstractCegarLoop]: Abstraction has 11223 states and 12201 transitions. [2024-11-19 10:55:13,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-19 10:55:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 11223 states and 12201 transitions. [2024-11-19 10:55:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-19 10:55:13,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:13,177 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:13,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-19 10:55:13,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:13,378 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:13,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:13,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1820811666, now seen corresponding path program 2 times [2024-11-19 10:55:13,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:13,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787515594] [2024-11-19 10:55:13,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:13,401 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:13,402 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:13,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:13,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787515594] [2024-11-19 10:55:13,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787515594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:13,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925699932] [2024-11-19 10:55:13,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:13,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:13,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:13,551 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:13,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 10:55:13,614 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:13,615 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:13,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:55:13,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:13,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:14,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925699932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:55:14,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:55:14,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-19 10:55:14,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50861549] [2024-11-19 10:55:14,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:14,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 10:55:14,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:14,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 10:55:14,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:55:14,016 INFO L87 Difference]: Start difference. First operand 11223 states and 12201 transitions. Second operand has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-19 10:55:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:14,791 INFO L93 Difference]: Finished difference Result 16115 states and 17615 transitions. [2024-11-19 10:55:14,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 10:55:14,792 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 218 [2024-11-19 10:55:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:14,810 INFO L225 Difference]: With dead ends: 16115 [2024-11-19 10:55:14,810 INFO L226 Difference]: Without dead ends: 16114 [2024-11-19 10:55:14,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:55:14,814 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 368 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:14,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 405 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:55:14,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16114 states. [2024-11-19 10:55:15,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16114 to 16064. [2024-11-19 10:55:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16064 states, 15194 states have (on average 1.0425825983941028) internal successors, (15841), 15239 states have internal predecessors, (15841), 851 states have call successors, (851), 15 states have call predecessors, (851), 15 states have return successors, (851), 809 states have call predecessors, (851), 851 states have call successors, (851) [2024-11-19 10:55:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16064 states to 16064 states and 17543 transitions. [2024-11-19 10:55:15,509 INFO L78 Accepts]: Start accepts. Automaton has 16064 states and 17543 transitions. Word has length 218 [2024-11-19 10:55:15,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:15,510 INFO L471 AbstractCegarLoop]: Abstraction has 16064 states and 17543 transitions. [2024-11-19 10:55:15,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-19 10:55:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 16064 states and 17543 transitions. [2024-11-19 10:55:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-19 10:55:15,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:15,515 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:15,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-19 10:55:15,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:15,716 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:15,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:15,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1266803891, now seen corresponding path program 4 times [2024-11-19 10:55:15,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:15,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878692391] [2024-11-19 10:55:15,716 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:55:15,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:15,736 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:55:15,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 166 proven. 516 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:15,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:15,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878692391] [2024-11-19 10:55:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878692391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:15,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641492073] [2024-11-19 10:55:15,980 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:55:15,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:15,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:15,983 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:15,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 10:55:16,052 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:55:16,052 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:16,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:55:16,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:16,453 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-19 10:55:16,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641492073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:55:16,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:55:16,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-19 10:55:16,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137765082] [2024-11-19 10:55:16,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:16,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:55:16,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:16,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:55:16,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:55:16,699 INFO L87 Difference]: Start difference. First operand 16064 states and 17543 transitions. Second operand has 18 states, 18 states have (on average 15.666666666666666) internal successors, (282), 18 states have internal predecessors, (282), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-19 10:55:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:17,872 INFO L93 Difference]: Finished difference Result 30045 states and 32951 transitions. [2024-11-19 10:55:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:55:17,874 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.666666666666666) internal successors, (282), 18 states have internal predecessors, (282), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 226 [2024-11-19 10:55:17,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:17,908 INFO L225 Difference]: With dead ends: 30045 [2024-11-19 10:55:17,908 INFO L226 Difference]: Without dead ends: 22179 [2024-11-19 10:55:17,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 437 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2024-11-19 10:55:17,925 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 53 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:17,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 872 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:55:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22179 states. [2024-11-19 10:55:18,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22179 to 15976. [2024-11-19 10:55:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15976 states, 15110 states have (on average 1.040569159497022) internal successors, (15723), 15156 states have internal predecessors, (15723), 847 states have call successors, (847), 15 states have call predecessors, (847), 15 states have return successors, (847), 804 states have call predecessors, (847), 847 states have call successors, (847) [2024-11-19 10:55:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15976 states to 15976 states and 17417 transitions. [2024-11-19 10:55:18,681 INFO L78 Accepts]: Start accepts. Automaton has 15976 states and 17417 transitions. Word has length 226 [2024-11-19 10:55:18,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:18,682 INFO L471 AbstractCegarLoop]: Abstraction has 15976 states and 17417 transitions. [2024-11-19 10:55:18,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.666666666666666) internal successors, (282), 18 states have internal predecessors, (282), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-19 10:55:18,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15976 states and 17417 transitions. [2024-11-19 10:55:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-19 10:55:18,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:18,688 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:18,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-19 10:55:18,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-19 10:55:18,892 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:18,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:18,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1469582586, now seen corresponding path program 5 times [2024-11-19 10:55:18,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:18,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484255996] [2024-11-19 10:55:18,893 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:55:18,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:18,927 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-19 10:55:18,928 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:55:18,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747611970] [2024-11-19 10:55:18,930 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:55:18,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:18,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:18,932 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:18,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-19 10:55:19,026 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-19 10:55:19,026 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:19,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-19 10:55:19,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 15 proven. 863 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-19 10:55:19,774 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:20,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:20,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484255996] [2024-11-19 10:55:20,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:55:20,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747611970] [2024-11-19 10:55:20,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747611970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:20,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:55:20,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-19 10:55:20,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577842808] [2024-11-19 10:55:20,070 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:20,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:55:20,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:20,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:55:20,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:55:20,071 INFO L87 Difference]: Start difference. First operand 15976 states and 17417 transitions. Second operand has 23 states, 22 states have (on average 9.0) internal successors, (198), 23 states have internal predecessors, (198), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-19 10:55:21,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:21,799 INFO L93 Difference]: Finished difference Result 22695 states and 24798 transitions. [2024-11-19 10:55:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 10:55:21,800 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.0) internal successors, (198), 23 states have internal predecessors, (198), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 249 [2024-11-19 10:55:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:21,836 INFO L225 Difference]: With dead ends: 22695 [2024-11-19 10:55:21,837 INFO L226 Difference]: Without dead ends: 16229 [2024-11-19 10:55:21,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:55:21,856 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 23 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:21,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1290 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2490 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:55:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16229 states. [2024-11-19 10:55:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16229 to 15919. [2024-11-19 10:55:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15919 states, 15056 states have (on average 1.0403825717321997) internal successors, (15664), 15102 states have internal predecessors, (15664), 844 states have call successors, (844), 15 states have call predecessors, (844), 15 states have return successors, (844), 801 states have call predecessors, (844), 844 states have call successors, (844) [2024-11-19 10:55:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15919 states to 15919 states and 17352 transitions. [2024-11-19 10:55:22,576 INFO L78 Accepts]: Start accepts. Automaton has 15919 states and 17352 transitions. Word has length 249 [2024-11-19 10:55:22,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:22,576 INFO L471 AbstractCegarLoop]: Abstraction has 15919 states and 17352 transitions. [2024-11-19 10:55:22,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.0) internal successors, (198), 23 states have internal predecessors, (198), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-19 10:55:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 15919 states and 17352 transitions. [2024-11-19 10:55:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-19 10:55:22,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:22,581 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:22,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:22,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-19 10:55:22,782 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:22,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:22,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1671997657, now seen corresponding path program 6 times [2024-11-19 10:55:22,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:22,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248964375] [2024-11-19 10:55:22,784 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:55:22,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:22,813 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-11-19 10:55:22,813 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 70 proven. 969 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-19 10:55:23,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:23,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248964375] [2024-11-19 10:55:23,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248964375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:23,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649543274] [2024-11-19 10:55:23,123 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 10:55:23,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:23,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:23,128 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:23,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-19 10:55:23,260 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-11-19 10:55:23,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:23,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:55:23,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:23,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 335 proven. 704 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-19 10:55:23,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 335 proven. 704 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-19 10:55:24,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649543274] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:55:24,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:55:24,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 31 [2024-11-19 10:55:24,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140534999] [2024-11-19 10:55:24,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:24,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-19 10:55:24,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:24,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-19 10:55:24,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2024-11-19 10:55:24,049 INFO L87 Difference]: Start difference. First operand 15919 states and 17352 transitions. Second operand has 31 states, 31 states have (on average 16.032258064516128) internal successors, (497), 31 states have internal predecessors, (497), 28 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 28 states have call predecessors, (29), 28 states have call successors, (29) [2024-11-19 10:55:26,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:26,006 INFO L93 Difference]: Finished difference Result 32229 states and 35277 transitions. [2024-11-19 10:55:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-19 10:55:26,007 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 16.032258064516128) internal successors, (497), 31 states have internal predecessors, (497), 28 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 28 states have call predecessors, (29), 28 states have call successors, (29) Word has length 272 [2024-11-19 10:55:26,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:26,039 INFO L225 Difference]: With dead ends: 32229 [2024-11-19 10:55:26,040 INFO L226 Difference]: Without dead ends: 23632 [2024-11-19 10:55:26,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 520 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=433, Invalid=2429, Unknown=0, NotChecked=0, Total=2862 [2024-11-19 10:55:26,054 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 93 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 2476 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:26,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1808 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2476 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:55:26,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23632 states. [2024-11-19 10:55:26,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23632 to 17176. [2024-11-19 10:55:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17176 states, 16248 states have (on average 1.0382816346627277) internal successors, (16870), 16289 states have internal predecessors, (16870), 909 states have call successors, (909), 15 states have call predecessors, (909), 15 states have return successors, (909), 871 states have call predecessors, (909), 909 states have call successors, (909) [2024-11-19 10:55:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17176 states to 17176 states and 18688 transitions. [2024-11-19 10:55:26,787 INFO L78 Accepts]: Start accepts. Automaton has 17176 states and 18688 transitions. Word has length 272 [2024-11-19 10:55:26,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:26,788 INFO L471 AbstractCegarLoop]: Abstraction has 17176 states and 18688 transitions. [2024-11-19 10:55:26,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 16.032258064516128) internal successors, (497), 31 states have internal predecessors, (497), 28 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 28 states have call predecessors, (29), 28 states have call successors, (29) [2024-11-19 10:55:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 17176 states and 18688 transitions. [2024-11-19 10:55:26,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-19 10:55:26,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:26,794 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:26,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:26,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-19 10:55:26,998 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:26,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash 440860178, now seen corresponding path program 7 times [2024-11-19 10:55:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:26,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138177516] [2024-11-19 10:55:26,998 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 10:55:26,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:55:27,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770252330] [2024-11-19 10:55:27,032 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 10:55:27,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:27,038 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:27,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-19 10:55:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:55:27,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-19 10:55:27,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 33 proven. 1246 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-19 10:55:28,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:28,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:28,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138177516] [2024-11-19 10:55:28,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:55:28,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770252330] [2024-11-19 10:55:28,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770252330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:28,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:55:28,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2024-11-19 10:55:28,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92666849] [2024-11-19 10:55:28,630 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:28,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-19 10:55:28,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:28,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-19 10:55:28,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=958, Unknown=0, NotChecked=0, Total=1056 [2024-11-19 10:55:28,631 INFO L87 Difference]: Start difference. First operand 17176 states and 18688 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-19 10:55:30,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:30,782 INFO L93 Difference]: Finished difference Result 17779 states and 19346 transitions. [2024-11-19 10:55:30,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-19 10:55:30,782 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 295 [2024-11-19 10:55:30,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:30,809 INFO L225 Difference]: With dead ends: 17779 [2024-11-19 10:55:30,809 INFO L226 Difference]: Without dead ends: 17775 [2024-11-19 10:55:30,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=206, Invalid=1686, Unknown=0, NotChecked=0, Total=1892 [2024-11-19 10:55:30,818 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 183 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 4403 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 1944 SdHoareTripleChecker+Invalid, 4416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:30,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 1944 Invalid, 4416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4403 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 10:55:30,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17775 states. [2024-11-19 10:55:31,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17775 to 17413. [2024-11-19 10:55:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17413 states, 16473 states have (on average 1.0384265161172828) internal successors, (17106), 16514 states have internal predecessors, (17106), 921 states have call successors, (921), 15 states have call predecessors, (921), 15 states have return successors, (921), 883 states have call predecessors, (921), 921 states have call successors, (921) [2024-11-19 10:55:31,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17413 states to 17413 states and 18948 transitions. [2024-11-19 10:55:31,870 INFO L78 Accepts]: Start accepts. Automaton has 17413 states and 18948 transitions. Word has length 295 [2024-11-19 10:55:31,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:31,871 INFO L471 AbstractCegarLoop]: Abstraction has 17413 states and 18948 transitions. [2024-11-19 10:55:31,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-19 10:55:31,871 INFO L276 IsEmpty]: Start isEmpty. Operand 17413 states and 18948 transitions. [2024-11-19 10:55:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-19 10:55:31,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:31,878 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:31,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:32,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-19 10:55:32,078 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:32,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:32,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1850685734, now seen corresponding path program 8 times [2024-11-19 10:55:32,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:32,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146008705] [2024-11-19 10:55:32,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:32,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:32,109 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:32,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-19 10:55:32,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760323372] [2024-11-19 10:55:32,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:55:32,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:32,113 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:32,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-19 10:55:32,201 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:55:32,201 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:32,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:55:32,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 1051 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-11-19 10:55:32,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:37,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:37,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146008705] [2024-11-19 10:55:37,290 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:55:37,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760323372] [2024-11-19 10:55:37,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760323372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:37,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:55:37,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-19 10:55:37,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322133172] [2024-11-19 10:55:37,290 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:37,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:55:37,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:37,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:55:37,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=176, Unknown=1, NotChecked=0, Total=240 [2024-11-19 10:55:37,295 INFO L87 Difference]: Start difference. First operand 17413 states and 18948 transitions. Second operand has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 10 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:55:38,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:38,254 INFO L93 Difference]: Finished difference Result 19229 states and 20915 transitions. [2024-11-19 10:55:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:55:38,254 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 10 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 295 [2024-11-19 10:55:38,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:38,276 INFO L225 Difference]: With dead ends: 19229 [2024-11-19 10:55:38,276 INFO L226 Difference]: Without dead ends: 19225 [2024-11-19 10:55:38,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=63, Invalid=176, Unknown=1, NotChecked=0, Total=240 [2024-11-19 10:55:38,278 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 23 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:38,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 568 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:55:38,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19225 states. [2024-11-19 10:55:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19225 to 18554. [2024-11-19 10:55:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18554 states, 17554 states have (on average 1.0382249060043296) internal successors, (18225), 17599 states have internal predecessors, (18225), 981 states have call successors, (981), 15 states have call predecessors, (981), 15 states have return successors, (981), 939 states have call predecessors, (981), 981 states have call successors, (981) [2024-11-19 10:55:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18554 states to 18554 states and 20187 transitions. [2024-11-19 10:55:38,971 INFO L78 Accepts]: Start accepts. Automaton has 18554 states and 20187 transitions. Word has length 295 [2024-11-19 10:55:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:38,971 INFO L471 AbstractCegarLoop]: Abstraction has 18554 states and 20187 transitions. [2024-11-19 10:55:38,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 10 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-19 10:55:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 18554 states and 20187 transitions. [2024-11-19 10:55:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-19 10:55:38,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:38,979 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:38,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:39,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:39,183 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:39,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:39,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1604735091, now seen corresponding path program 9 times [2024-11-19 10:55:39,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:39,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31092644] [2024-11-19 10:55:39,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:39,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:39,222 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-19 10:55:39,222 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 352 proven. 1186 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-19 10:55:39,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:39,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31092644] [2024-11-19 10:55:39,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31092644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:39,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870340864] [2024-11-19 10:55:39,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:39,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:39,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:39,666 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:39,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-19 10:55:39,729 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-19 10:55:39,730 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:39,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 10:55:39,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 0 proven. 1097 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-11-19 10:55:40,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:40,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870340864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:40,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:55:40,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10] total 30 [2024-11-19 10:55:40,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265524838] [2024-11-19 10:55:40,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:40,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-19 10:55:40,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:40,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-19 10:55:40,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=929, Unknown=0, NotChecked=0, Total=1056 [2024-11-19 10:55:40,667 INFO L87 Difference]: Start difference. First operand 18554 states and 20187 transitions. Second operand has 30 states, 30 states have (on average 13.0) internal successors, (390), 30 states have internal predecessors, (390), 21 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-19 10:55:46,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:46,258 INFO L93 Difference]: Finished difference Result 35373 states and 38604 transitions. [2024-11-19 10:55:46,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-11-19 10:55:46,258 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 13.0) internal successors, (390), 30 states have internal predecessors, (390), 21 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 318 [2024-11-19 10:55:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:46,294 INFO L225 Difference]: With dead ends: 35373 [2024-11-19 10:55:46,294 INFO L226 Difference]: Without dead ends: 27403 [2024-11-19 10:55:46,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2515 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=973, Invalid=8729, Unknown=0, NotChecked=0, Total=9702 [2024-11-19 10:55:46,312 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 415 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 8022 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 3142 SdHoareTripleChecker+Invalid, 8046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 8022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:46,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 3142 Invalid, 8046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 8022 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-19 10:55:46,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27403 states. [2024-11-19 10:55:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27403 to 21178. [2024-11-19 10:55:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21178 states, 20042 states have (on average 1.0350264444666202) internal successors, (20744), 20083 states have internal predecessors, (20744), 1117 states have call successors, (1117), 15 states have call predecessors, (1117), 15 states have return successors, (1117), 1079 states have call predecessors, (1117), 1117 states have call successors, (1117) [2024-11-19 10:55:47,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21178 states to 21178 states and 22978 transitions. [2024-11-19 10:55:47,328 INFO L78 Accepts]: Start accepts. Automaton has 21178 states and 22978 transitions. Word has length 318 [2024-11-19 10:55:47,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:47,329 INFO L471 AbstractCegarLoop]: Abstraction has 21178 states and 22978 transitions. [2024-11-19 10:55:47,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 13.0) internal successors, (390), 30 states have internal predecessors, (390), 21 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-19 10:55:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 21178 states and 22978 transitions. [2024-11-19 10:55:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-19 10:55:47,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:47,336 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:47,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:47,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-19 10:55:47,541 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:47,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:47,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1280406649, now seen corresponding path program 10 times [2024-11-19 10:55:47,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:47,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601568641] [2024-11-19 10:55:47,542 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:55:47,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:47,563 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:55:47,563 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 817 proven. 302 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-19 10:55:47,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:47,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601568641] [2024-11-19 10:55:47,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601568641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:47,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73392240] [2024-11-19 10:55:47,710 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:55:47,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:47,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:47,711 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:47,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-19 10:55:47,786 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:55:47,786 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:47,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:55:47,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 1034 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-19 10:55:47,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 866 proven. 253 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-19 10:55:48,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73392240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:55:48,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:55:48,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2024-11-19 10:55:48,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69186178] [2024-11-19 10:55:48,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:48,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:55:48,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:48,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:55:48,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:55:48,175 INFO L87 Difference]: Start difference. First operand 21178 states and 22978 transitions. Second operand has 14 states, 14 states have (on average 16.285714285714285) internal successors, (228), 14 states have internal predecessors, (228), 13 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-19 10:55:49,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:55:49,946 INFO L93 Difference]: Finished difference Result 39712 states and 43246 transitions. [2024-11-19 10:55:49,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:55:49,947 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.285714285714285) internal successors, (228), 14 states have internal predecessors, (228), 13 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) Word has length 318 [2024-11-19 10:55:49,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:55:49,996 INFO L225 Difference]: With dead ends: 39712 [2024-11-19 10:55:49,996 INFO L226 Difference]: Without dead ends: 28192 [2024-11-19 10:55:50,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 624 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:55:50,019 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 53 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:55:50,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 439 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:55:50,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28192 states. [2024-11-19 10:55:51,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28192 to 21931. [2024-11-19 10:55:51,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21931 states, 20756 states have (on average 1.0347369435343996) internal successors, (21477), 20795 states have internal predecessors, (21477), 1156 states have call successors, (1156), 15 states have call predecessors, (1156), 15 states have return successors, (1156), 1120 states have call predecessors, (1156), 1156 states have call successors, (1156) [2024-11-19 10:55:51,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21931 states to 21931 states and 23789 transitions. [2024-11-19 10:55:51,282 INFO L78 Accepts]: Start accepts. Automaton has 21931 states and 23789 transitions. Word has length 318 [2024-11-19 10:55:51,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:55:51,283 INFO L471 AbstractCegarLoop]: Abstraction has 21931 states and 23789 transitions. [2024-11-19 10:55:51,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.285714285714285) internal successors, (228), 14 states have internal predecessors, (228), 13 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-19 10:55:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21931 states and 23789 transitions. [2024-11-19 10:55:51,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-19 10:55:51,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:55:51,293 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:55:51,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-19 10:55:51,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:51,494 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-19 10:55:51,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:55:51,494 INFO L85 PathProgramCache]: Analyzing trace with hash -744075868, now seen corresponding path program 3 times [2024-11-19 10:55:51,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:55:51,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421977124] [2024-11-19 10:55:51,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:51,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:55:51,540 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-19 10:55:51,543 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 0 proven. 1689 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-19 10:55:52,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:55:52,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421977124] [2024-11-19 10:55:52,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421977124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:52,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173133090] [2024-11-19 10:55:52,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:55:52,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:55:52,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:55:52,630 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:55:52,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-19 10:55:52,703 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-19 10:55:52,703 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:55:52,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-19 10:55:52,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:55:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 0 proven. 1314 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-11-19 10:55:53,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:55:53,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173133090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:55:53,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:55:53,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 11] total 52 [2024-11-19 10:55:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353107273] [2024-11-19 10:55:53,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:55:53,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-19 10:55:53,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:55:53,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-19 10:55:53,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2421, Unknown=0, NotChecked=0, Total=2970 [2024-11-19 10:55:53,728 INFO L87 Difference]: Start difference. First operand 21931 states and 23789 transitions. Second operand has 52 states, 52 states have (on average 8.173076923076923) internal successors, (425), 52 states have internal predecessors, (425), 24 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26)