./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/hard2_valuebound50.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 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:56:53,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:56:53,189 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:56:53,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:56:53,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:56:53,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:56:53,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:56:53,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:56:53,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:56:53,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:56:53,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:56:53,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:56:53,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:56:53,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:56:53,224 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:56:53,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:56:53,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:56:53,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:56:53,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:56:53,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:56:53,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:56:53,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:56:53,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:56:53,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:56:53,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:56:53,234 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:56:53,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:56:53,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:56:53,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:56:53,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:56:53,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:56:53,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:56:53,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:56:53,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:56:53,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:53,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:56:53,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:56:53,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:56:53,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:56:53,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:56:53,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:56:53,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:56:53,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:56:53,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:56:53,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 [2024-11-09 11:56:53,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:56:53,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:56:53,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:56:53,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:56:53,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:56:53,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2024-11-09 11:56:55,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:56:55,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:56:55,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2024-11-09 11:56:55,346 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d4be980/561818c23354485da197967638e16d0b/FLAG700258230 [2024-11-09 11:56:55,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d4be980/561818c23354485da197967638e16d0b [2024-11-09 11:56:55,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:56:55,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:56:55,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:55,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:56:55,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:56:55,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d02aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55, skipping insertion in model container [2024-11-09 11:56:55,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:56:55,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:55,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:56:55,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:55,671 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:56:55,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55 WrapperNode [2024-11-09 11:56:55,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:55,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:55,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:56:55,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:56:55,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,711 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-11-09 11:56:55,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:55,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:56:55,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:56:55,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:56:55,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,739 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-09 11:56:55,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:56:55,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:56:55,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:56:55,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:56:55,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (1/1) ... [2024-11-09 11:56:55,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:55,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:55,791 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) [2024-11-09 11:56:55,795 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 [2024-11-09 11:56:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:56:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:56:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:56:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:56:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:56:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:56:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:56:55,907 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:56:55,909 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:56:56,220 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-09 11:56:56,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:56:56,239 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:56:56,240 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:56:56,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:56 BoogieIcfgContainer [2024-11-09 11:56:56,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:56:56,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:56:56,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:56:56,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:56:56,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:56:55" (1/3) ... [2024-11-09 11:56:56,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f3a5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:56, skipping insertion in model container [2024-11-09 11:56:56,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:55" (2/3) ... [2024-11-09 11:56:56,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f3a5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:56, skipping insertion in model container [2024-11-09 11:56:56,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:56" (3/3) ... [2024-11-09 11:56:56,254 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound50.c [2024-11-09 11:56:56,273 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:56:56,275 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-09 11:56:56,354 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:56:56,365 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;@69a7d0c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:56:56,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-09 11:56:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 11:56:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:56:56,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:56,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:56,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:56,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:56,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1804971306, now seen corresponding path program 1 times [2024-11-09 11:56:56,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:56,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410141291] [2024-11-09 11:56:56,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:56,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:56:56,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:56,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410141291] [2024-11-09 11:56:56,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410141291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:56,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:56,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:56,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450978489] [2024-11-09 11:56:56,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:56,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:56:56,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:56,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:56:56,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:56:56,602 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 65 states have internal predecessors, (74), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:56:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:56,632 INFO L93 Difference]: Finished difference Result 144 states and 178 transitions. [2024-11-09 11:56:56,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:56:56,634 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:56:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:56,641 INFO L225 Difference]: With dead ends: 144 [2024-11-09 11:56:56,641 INFO L226 Difference]: Without dead ends: 66 [2024-11-09 11:56:56,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:56:56,650 INFO L432 NwaCegarLoop]: 81 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, 81 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 [2024-11-09 11:56:56,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-09 11:56:56,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-09 11:56:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:56:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2024-11-09 11:56:56,688 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 7 [2024-11-09 11:56:56,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:56,689 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2024-11-09 11:56:56,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:56:56,689 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2024-11-09 11:56:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:56:56,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:56,690 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:56,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:56:56,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:56,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:56,692 INFO L85 PathProgramCache]: Analyzing trace with hash -589934396, now seen corresponding path program 1 times [2024-11-09 11:56:56,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:56,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847292106] [2024-11-09 11:56:56,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:56,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292120520] [2024-11-09 11:56:56,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:56,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:56,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:56,733 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) [2024-11-09 11:56:56,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:56:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:56,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:56,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:56:56,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:56,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:56,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847292106] [2024-11-09 11:56:56,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:56,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292120520] [2024-11-09 11:56:56,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292120520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:56,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:56,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:56,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394468791] [2024-11-09 11:56:56,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:56,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:56,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:56,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:56,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:56,885 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2024-11-09 11:56:57,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:57,044 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-11-09 11:56:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 [2024-11-09 11:56:57,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:57,046 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:56:57,046 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 11:56:57,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:57,048 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:57,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 97 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:57,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 11:56:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-09 11:56:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 75 states have internal predecessors, (85), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-09 11:56:57,062 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 16 [2024-11-09 11:56:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:57,063 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-09 11:56:57,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-09 11:56:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-09 11:56:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:56:57,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:57,065 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:57,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:57,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:57,269 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:57,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1036301913, now seen corresponding path program 1 times [2024-11-09 11:56:57,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:57,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704297265] [2024-11-09 11:56:57,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:57,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:57,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:57,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704297265] [2024-11-09 11:56:57,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704297265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:57,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:57,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:57,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332324583] [2024-11-09 11:56:57,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:57,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:57,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:57,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:57,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:57,471 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:57,533 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2024-11-09 11:56:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:57,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-09 11:56:57,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:57,537 INFO L225 Difference]: With dead ends: 97 [2024-11-09 11:56:57,537 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 11:56:57,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:57,539 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:57,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 108 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:57,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 11:56:57,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-09 11:56:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 75 states have internal predecessors, (83), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2024-11-09 11:56:57,554 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 24 [2024-11-09 11:56:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:57,554 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2024-11-09 11:56:57,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2024-11-09 11:56:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:56:57,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:57,556 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:57,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:56:57,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:57,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:57,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2060586917, now seen corresponding path program 1 times [2024-11-09 11:56:57,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:57,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603823514] [2024-11-09 11:56:57,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:57,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029458255] [2024-11-09 11:56:57,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:57,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:57,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:57,599 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) [2024-11-09 11:56:57,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:56:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:56:57,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:57,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:57,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:57,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603823514] [2024-11-09 11:56:57,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:57,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029458255] [2024-11-09 11:56:57,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029458255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:57,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:57,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:57,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770650289] [2024-11-09 11:56:57,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:57,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:57,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:57,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:57,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:57,676 INFO L87 Difference]: Start difference. First operand 87 states and 103 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:57,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:57,801 INFO L93 Difference]: Finished difference Result 122 states and 147 transitions. [2024-11-09 11:56:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:57,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-09 11:56:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:57,805 INFO L225 Difference]: With dead ends: 122 [2024-11-09 11:56:57,805 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 11:56:57,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:57,809 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:57,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 90 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:57,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 11:56:57,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 104. [2024-11-09 11:56:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5820895522388059) internal successors, (106), 90 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 130 transitions. [2024-11-09 11:56:57,825 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 130 transitions. Word has length 25 [2024-11-09 11:56:57,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:57,825 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 130 transitions. [2024-11-09 11:56:57,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2024-11-09 11:56:57,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 11:56:57,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:57,827 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:57,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:58,027 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 [2024-11-09 11:56:58,028 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:58,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:58,028 INFO L85 PathProgramCache]: Analyzing trace with hash 244106439, now seen corresponding path program 1 times [2024-11-09 11:56:58,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:58,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829707178] [2024-11-09 11:56:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:58,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:58,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829707178] [2024-11-09 11:56:58,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829707178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:58,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:58,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:56:58,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310591833] [2024-11-09 11:56:58,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:58,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:58,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:58,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:58,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:58,322 INFO L87 Difference]: Start difference. First operand 104 states and 130 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-09 11:56:58,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:58,739 INFO L93 Difference]: Finished difference Result 120 states and 144 transitions. [2024-11-09 11:56:58,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:58,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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 27 [2024-11-09 11:56:58,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:58,740 INFO L225 Difference]: With dead ends: 120 [2024-11-09 11:56:58,741 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 11:56:58,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:58,742 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 214 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:58,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 99 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:56:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 11:56:58,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2024-11-09 11:56:58,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 94 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2024-11-09 11:56:58,758 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 27 [2024-11-09 11:56:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:58,759 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2024-11-09 11:56:58,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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) [2024-11-09 11:56:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2024-11-09 11:56:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:56:58,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:58,760 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:58,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:56:58,761 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:58,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:58,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1022634896, now seen corresponding path program 1 times [2024-11-09 11:56:58,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:58,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925373500] [2024-11-09 11:56:58,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:58,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:56:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:56:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:56:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:58,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:58,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925373500] [2024-11-09 11:56:58,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925373500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:58,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:58,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:58,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329579468] [2024-11-09 11:56:58,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:58,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:58,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:58,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:58,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:58,889 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:59,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:59,195 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2024-11-09 11:56:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:59,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-09 11:56:59,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:59,196 INFO L225 Difference]: With dead ends: 120 [2024-11-09 11:56:59,197 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 11:56:59,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:59,199 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:59,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 159 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 11:56:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-09 11:56:59,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 100 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-09 11:56:59,220 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 28 [2024-11-09 11:56:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:59,221 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-09 11:56:59,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-09 11:56:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:56:59,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:59,222 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:59,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:56:59,222 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:59,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1699862761, now seen corresponding path program 1 times [2024-11-09 11:56:59,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:59,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179678372] [2024-11-09 11:56:59,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:59,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:59,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309530291] [2024-11-09 11:56:59,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:59,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:59,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:59,240 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) [2024-11-09 11:56:59,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:56:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:59,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:59,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:59,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:59,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179678372] [2024-11-09 11:56:59,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:59,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309530291] [2024-11-09 11:56:59,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309530291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:59,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:59,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:56:59,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5935111] [2024-11-09 11:56:59,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:59,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:59,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:59,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:59,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:59,438 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:59,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:59,547 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2024-11-09 11:56:59,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:59,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-09 11:56:59,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:59,548 INFO L225 Difference]: With dead ends: 125 [2024-11-09 11:56:59,548 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 11:56:59,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:59,552 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 38 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:59,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:59,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 11:56:59,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 11:56:59,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4125) internal successors, (113), 99 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:56:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 141 transitions. [2024-11-09 11:56:59,582 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 141 transitions. Word has length 39 [2024-11-09 11:56:59,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:59,582 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 141 transitions. [2024-11-09 11:56:59,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2024-11-09 11:56:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:56:59,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:59,584 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:59,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:59,784 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 [2024-11-09 11:56:59,785 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:56:59,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:59,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1156138093, now seen corresponding path program 1 times [2024-11-09 11:56:59,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:59,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115281078] [2024-11-09 11:56:59,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:59,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:59,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081494640] [2024-11-09 11:56:59,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:59,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:59,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:59,811 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) [2024-11-09 11:56:59,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:56:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:59,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:59,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:59,971 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:59,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:00,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:00,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115281078] [2024-11-09 11:57:00,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:00,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081494640] [2024-11-09 11:57:00,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081494640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:00,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:00,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:57:00,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744737823] [2024-11-09 11:57:00,446 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:00,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:57:00,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:00,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:57:00,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:00,448 INFO L87 Difference]: Start difference. First operand 115 states and 141 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:57:00,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:00,574 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions. [2024-11-09 11:57:00,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:57:00,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-09 11:57:00,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:00,577 INFO L225 Difference]: With dead ends: 191 [2024-11-09 11:57:00,577 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 11:57:00,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:00,579 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:00,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 125 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:00,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 11:57:00,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 175. [2024-11-09 11:57:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:57:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2024-11-09 11:57:00,611 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 40 [2024-11-09 11:57:00,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:00,613 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2024-11-09 11:57:00,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:57:00,613 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2024-11-09 11:57:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:57:00,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:00,616 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:00,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:57:00,818 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 [2024-11-09 11:57:00,818 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:00,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1891489937, now seen corresponding path program 1 times [2024-11-09 11:57:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:00,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541297145] [2024-11-09 11:57:00,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:00,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:57:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:57:01,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:01,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541297145] [2024-11-09 11:57:01,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541297145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:01,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:01,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:57:01,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258498787] [2024-11-09 11:57:01,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:01,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:57:01,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:01,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:57:01,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:01,007 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:57:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:01,362 INFO L93 Difference]: Finished difference Result 187 states and 244 transitions. [2024-11-09 11:57:01,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:57:01,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-09 11:57:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:01,364 INFO L225 Difference]: With dead ends: 187 [2024-11-09 11:57:01,365 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 11:57:01,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:57:01,367 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 231 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:01,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 117 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 11:57:01,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 176. [2024-11-09 11:57:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 132 states have (on average 1.4166666666666667) internal successors, (187), 151 states have internal predecessors, (187), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:57:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 233 transitions. [2024-11-09 11:57:01,390 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 233 transitions. Word has length 44 [2024-11-09 11:57:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:01,391 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 233 transitions. [2024-11-09 11:57:01,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:57:01,392 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2024-11-09 11:57:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:57:01,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:01,393 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:01,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:57:01,393 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:01,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:01,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1493353966, now seen corresponding path program 1 times [2024-11-09 11:57:01,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:01,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808847885] [2024-11-09 11:57:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:01,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:57:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:57:01,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:01,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808847885] [2024-11-09 11:57:01,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808847885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:01,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:01,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:57:01,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881055838] [2024-11-09 11:57:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:01,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:01,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:01,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:01,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:01,496 INFO L87 Difference]: Start difference. First operand 176 states and 233 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:57:01,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:01,579 INFO L93 Difference]: Finished difference Result 181 states and 237 transitions. [2024-11-09 11:57:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:01,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-09 11:57:01,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:01,583 INFO L225 Difference]: With dead ends: 181 [2024-11-09 11:57:01,584 INFO L226 Difference]: Without dead ends: 166 [2024-11-09 11:57:01,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:01,585 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:01,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 112 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:01,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-09 11:57:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-09 11:57:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 124 states have (on average 1.435483870967742) internal successors, (178), 143 states have internal predecessors, (178), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:57:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2024-11-09 11:57:01,601 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 45 [2024-11-09 11:57:01,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:01,602 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2024-11-09 11:57:01,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:57:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2024-11-09 11:57:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 11:57:01,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:01,604 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:01,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:57:01,605 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:01,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:01,605 INFO L85 PathProgramCache]: Analyzing trace with hash -467908226, now seen corresponding path program 1 times [2024-11-09 11:57:01,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:01,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065306033] [2024-11-09 11:57:01,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:01,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:57:01,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065306033] [2024-11-09 11:57:01,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065306033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:01,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624535771] [2024-11-09 11:57:01,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:01,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:01,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:01,708 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) [2024-11-09 11:57:01,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:57:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:01,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:57:01,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:57:01,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:01,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624535771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:01,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:01,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:57:01,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971133684] [2024-11-09 11:57:01,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:01,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:57:01,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:01,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:57:01,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:01,802 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:57:01,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:01,895 INFO L93 Difference]: Finished difference Result 250 states and 341 transitions. [2024-11-09 11:57:01,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:57:01,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-09 11:57:01,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:01,898 INFO L225 Difference]: With dead ends: 250 [2024-11-09 11:57:01,898 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 11:57:01,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:01,899 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:01,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 115 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:01,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 11:57:01,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 227. [2024-11-09 11:57:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.4438202247191012) internal successors, (257), 196 states have internal predecessors, (257), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 11:57:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2024-11-09 11:57:01,924 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 47 [2024-11-09 11:57:01,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:01,924 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2024-11-09 11:57:01,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:57:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2024-11-09 11:57:01,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:57:01,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:01,926 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:01,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:02,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 11:57:02,131 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:02,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:02,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1620253054, now seen corresponding path program 1 times [2024-11-09 11:57:02,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:02,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531837384] [2024-11-09 11:57:02,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:02,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:57:02,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:02,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531837384] [2024-11-09 11:57:02,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531837384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:02,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006619049] [2024-11-09 11:57:02,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:02,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:02,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:02,215 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) [2024-11-09 11:57:02,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:57:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:57:02,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:57:02,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:57:02,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006619049] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:02,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:02,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:57:02,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996360300] [2024-11-09 11:57:02,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:02,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:57:02,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:02,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:57:02,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:02,399 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:02,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:02,564 INFO L93 Difference]: Finished difference Result 375 states and 514 transitions. [2024-11-09 11:57:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:57:02,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 48 [2024-11-09 11:57:02,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:02,567 INFO L225 Difference]: With dead ends: 375 [2024-11-09 11:57:02,567 INFO L226 Difference]: Without dead ends: 373 [2024-11-09 11:57:02,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:02,569 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 113 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:02,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 218 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:02,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-09 11:57:02,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 327. [2024-11-09 11:57:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.4427480916030535) internal successors, (378), 280 states have internal predecessors, (378), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:57:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2024-11-09 11:57:02,594 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 48 [2024-11-09 11:57:02,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:02,594 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2024-11-09 11:57:02,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2024-11-09 11:57:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:57:02,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:02,595 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:02,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:57:02,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:02,796 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:02,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:02,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2137738517, now seen corresponding path program 1 times [2024-11-09 11:57:02,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:02,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723447295] [2024-11-09 11:57:02,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:02,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:02,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168998603] [2024-11-09 11:57:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:02,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:02,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:02,811 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) [2024-11-09 11:57:02,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:57:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:02,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:02,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:02,959 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-09 11:57:02,960 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:02,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:02,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723447295] [2024-11-09 11:57:02,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:02,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168998603] [2024-11-09 11:57:02,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168998603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:02,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:02,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:57:02,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629205118] [2024-11-09 11:57:02,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:02,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:57:02,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:02,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:57:02,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:57:02,964 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:57:03,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:03,084 INFO L93 Difference]: Finished difference Result 346 states and 493 transitions. [2024-11-09 11:57:03,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:57:03,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-09 11:57:03,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:03,088 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:57:03,089 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:57:03,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:03,091 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 104 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:03,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 81 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:03,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:57:03,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2024-11-09 11:57:03,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 277 states have internal predecessors, (366), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:57:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 456 transitions. [2024-11-09 11:57:03,140 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 456 transitions. Word has length 51 [2024-11-09 11:57:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:03,140 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 456 transitions. [2024-11-09 11:57:03,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:57:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 456 transitions. [2024-11-09 11:57:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:57:03,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:03,142 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:57:03,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:57:03,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:03,347 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:03,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:03,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1874334318, now seen corresponding path program 2 times [2024-11-09 11:57:03,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:03,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198973776] [2024-11-09 11:57:03,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:03,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:03,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107659179] [2024-11-09 11:57:03,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:03,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:03,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:03,362 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) [2024-11-09 11:57:03,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:57:03,414 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:57:03,415 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:03,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:57:03,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:57:03,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:03,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:03,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198973776] [2024-11-09 11:57:03,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:03,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107659179] [2024-11-09 11:57:03,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107659179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:03,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:03,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:57:03,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654481583] [2024-11-09 11:57:03,933 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:03,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:03,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:03,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:03,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:03,934 INFO L87 Difference]: Start difference. First operand 324 states and 456 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:57:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:04,078 INFO L93 Difference]: Finished difference Result 419 states and 587 transitions. [2024-11-09 11:57:04,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:04,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2024-11-09 11:57:04,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:04,084 INFO L225 Difference]: With dead ends: 419 [2024-11-09 11:57:04,084 INFO L226 Difference]: Without dead ends: 415 [2024-11-09 11:57:04,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:04,087 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:04,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 143 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-09 11:57:04,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 324. [2024-11-09 11:57:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4054054054054055) internal successors, (364), 277 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:57:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 454 transitions. [2024-11-09 11:57:04,114 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 454 transitions. Word has length 63 [2024-11-09 11:57:04,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:04,115 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 454 transitions. [2024-11-09 11:57:04,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:57:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 454 transitions. [2024-11-09 11:57:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:57:04,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:04,116 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:04,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:04,317 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,SelfDestructingSolverStorable13 [2024-11-09 11:57:04,317 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:04,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:04,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1822751055, now seen corresponding path program 1 times [2024-11-09 11:57:04,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:04,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622515650] [2024-11-09 11:57:04,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:04,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:57:04,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:04,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622515650] [2024-11-09 11:57:04,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622515650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:04,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:04,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:57:04,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735380918] [2024-11-09 11:57:04,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:04,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:57:04,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:04,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:57:04,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:57:04,413 INFO L87 Difference]: Start difference. First operand 324 states and 454 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:04,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:04,464 INFO L93 Difference]: Finished difference Result 324 states and 454 transitions. [2024-11-09 11:57:04,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:57:04,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2024-11-09 11:57:04,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:04,466 INFO L225 Difference]: With dead ends: 324 [2024-11-09 11:57:04,466 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 11:57:04,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:57:04,469 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:04,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:57:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 11:57:04,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2024-11-09 11:57:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 276 states have internal predecessors, (358), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:57:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 448 transitions. [2024-11-09 11:57:04,497 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 448 transitions. Word has length 70 [2024-11-09 11:57:04,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:04,498 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 448 transitions. [2024-11-09 11:57:04,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 448 transitions. [2024-11-09 11:57:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:57:04,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:04,499 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:04,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 11:57:04,499 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:04,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash -670707744, now seen corresponding path program 1 times [2024-11-09 11:57:04,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:04,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817786270] [2024-11-09 11:57:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:57:04,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:04,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817786270] [2024-11-09 11:57:04,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817786270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:04,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441369201] [2024-11-09 11:57:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:04,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:04,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:04,748 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) [2024-11-09 11:57:04,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:57:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:04,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:57:04,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:57:04,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:04,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441369201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:04,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:04,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 11:57:04,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883116182] [2024-11-09 11:57:04,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:04,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:04,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:04,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:04,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:57:04,971 INFO L87 Difference]: Start difference. First operand 323 states and 448 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:57:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:05,090 INFO L93 Difference]: Finished difference Result 341 states and 463 transitions. [2024-11-09 11:57:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:05,091 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2024-11-09 11:57:05,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:05,093 INFO L225 Difference]: With dead ends: 341 [2024-11-09 11:57:05,093 INFO L226 Difference]: Without dead ends: 340 [2024-11-09 11:57:05,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:57:05,094 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 127 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:05,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 115 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-09 11:57:05,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 323. [2024-11-09 11:57:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3706563706563706) internal successors, (355), 276 states have internal predecessors, (355), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:57:05,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 445 transitions. [2024-11-09 11:57:05,118 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 445 transitions. Word has length 71 [2024-11-09 11:57:05,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:05,118 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 445 transitions. [2024-11-09 11:57:05,119 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:57:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 445 transitions. [2024-11-09 11:57:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:57:05,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:05,120 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:05,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:57:05,320 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,SelfDestructingSolverStorable15 [2024-11-09 11:57:05,321 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:05,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:05,321 INFO L85 PathProgramCache]: Analyzing trace with hash 682896531, now seen corresponding path program 1 times [2024-11-09 11:57:05,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:05,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739943293] [2024-11-09 11:57:05,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:05,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:57:05,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:05,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739943293] [2024-11-09 11:57:05,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739943293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:05,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587782099] [2024-11-09 11:57:05,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:05,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:05,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:05,485 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) [2024-11-09 11:57:05,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:57:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:05,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:57:05,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:57:05,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:05,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587782099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:05,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:05,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 11:57:05,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468092746] [2024-11-09 11:57:05,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:05,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:05,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:05,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:05,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:57:05,726 INFO L87 Difference]: Start difference. First operand 323 states and 445 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:05,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:05,877 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2024-11-09 11:57:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:05,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2024-11-09 11:57:05,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:05,881 INFO L225 Difference]: With dead ends: 342 [2024-11-09 11:57:05,881 INFO L226 Difference]: Without dead ends: 341 [2024-11-09 11:57:05,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:57:05,882 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:05,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 96 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:05,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-09 11:57:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2024-11-09 11:57:05,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.3582089552238805) internal successors, (364), 285 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:57:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 454 transitions. [2024-11-09 11:57:05,913 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 454 transitions. Word has length 72 [2024-11-09 11:57:05,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:05,914 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 454 transitions. [2024-11-09 11:57:05,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 454 transitions. [2024-11-09 11:57:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:57:05,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:05,915 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:05,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:06,115 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,SelfDestructingSolverStorable16 [2024-11-09 11:57:06,115 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:06,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:06,116 INFO L85 PathProgramCache]: Analyzing trace with hash -305043902, now seen corresponding path program 1 times [2024-11-09 11:57:06,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:06,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779240532] [2024-11-09 11:57:06,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:06,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:57:06,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:06,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779240532] [2024-11-09 11:57:06,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779240532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:06,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89405432] [2024-11-09 11:57:06,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:06,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:06,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:06,297 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) [2024-11-09 11:57:06,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:57:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:57:06,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:57:06,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:06,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89405432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:06,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:06,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 11:57:06,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433413747] [2024-11-09 11:57:06,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:06,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:57:06,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:06,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:57:06,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:06,490 INFO L87 Difference]: Start difference. First operand 332 states and 454 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:06,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:06,638 INFO L93 Difference]: Finished difference Result 341 states and 460 transitions. [2024-11-09 11:57:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:57:06,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2024-11-09 11:57:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:06,641 INFO L225 Difference]: With dead ends: 341 [2024-11-09 11:57:06,641 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 11:57:06,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:06,642 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 32 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:06,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 80 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 11:57:06,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2024-11-09 11:57:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 271 states have (on average 1.3284132841328413) internal successors, (360), 288 states have internal predecessors, (360), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:57:06,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 450 transitions. [2024-11-09 11:57:06,673 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 450 transitions. Word has length 73 [2024-11-09 11:57:06,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:06,673 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 450 transitions. [2024-11-09 11:57:06,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2024-11-09 11:57:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:57:06,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:06,674 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:06,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:57:06,875 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,SelfDestructingSolverStorable17 [2024-11-09 11:57:06,875 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:06,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:06,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1089411164, now seen corresponding path program 1 times [2024-11-09 11:57:06,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:06,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065182177] [2024-11-09 11:57:06,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:06,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880188446] [2024-11-09 11:57:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:06,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:06,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:06,903 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) [2024-11-09 11:57:06,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:57:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:06,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:57:06,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:57:07,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:07,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:07,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065182177] [2024-11-09 11:57:07,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:07,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880188446] [2024-11-09 11:57:07,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880188446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:07,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:07,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:57:07,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809728201] [2024-11-09 11:57:07,809 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:07,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:57:07,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:07,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:57:07,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:57:07,813 INFO L87 Difference]: Start difference. First operand 335 states and 450 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:07,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:07,976 INFO L93 Difference]: Finished difference Result 419 states and 576 transitions. [2024-11-09 11:57:07,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:57:07,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2024-11-09 11:57:07,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:07,979 INFO L225 Difference]: With dead ends: 419 [2024-11-09 11:57:07,979 INFO L226 Difference]: Without dead ends: 418 [2024-11-09 11:57:07,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:57:07,980 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 79 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:07,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 89 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:07,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-09 11:57:08,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2024-11-09 11:57:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.3446153846153845) internal successors, (437), 342 states have internal predecessors, (437), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:57:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 539 transitions. [2024-11-09 11:57:08,027 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 539 transitions. Word has length 75 [2024-11-09 11:57:08,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:08,027 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 539 transitions. [2024-11-09 11:57:08,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:08,027 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 539 transitions. [2024-11-09 11:57:08,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 11:57:08,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:08,028 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:08,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:57:08,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:08,229 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:08,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:08,229 INFO L85 PathProgramCache]: Analyzing trace with hash 587992367, now seen corresponding path program 1 times [2024-11-09 11:57:08,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:08,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692298886] [2024-11-09 11:57:08,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:08,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:08,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [19484558] [2024-11-09 11:57:08,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:08,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:08,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:08,249 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) [2024-11-09 11:57:08,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:57:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:08,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:57:08,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:57:08,494 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:09,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:09,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692298886] [2024-11-09 11:57:09,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:09,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19484558] [2024-11-09 11:57:09,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19484558] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:09,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:09,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:57:09,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137983573] [2024-11-09 11:57:09,474 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:09,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:09,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:09,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:09,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:57:09,475 INFO L87 Difference]: Start difference. First operand 395 states and 539 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:09,623 INFO L93 Difference]: Finished difference Result 399 states and 539 transitions. [2024-11-09 11:57:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:09,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2024-11-09 11:57:09,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:09,625 INFO L225 Difference]: With dead ends: 399 [2024-11-09 11:57:09,626 INFO L226 Difference]: Without dead ends: 396 [2024-11-09 11:57:09,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:57:09,627 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 48 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:09,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 92 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-09 11:57:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 393. [2024-11-09 11:57:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.2738461538461539) internal successors, (414), 340 states have internal predecessors, (414), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:57:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 516 transitions. [2024-11-09 11:57:09,685 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 516 transitions. Word has length 76 [2024-11-09 11:57:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:09,686 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 516 transitions. [2024-11-09 11:57:09,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2024-11-09 11:57:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:57:09,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:09,687 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:09,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:57:09,887 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 [2024-11-09 11:57:09,888 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:09,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1047894278, now seen corresponding path program 1 times [2024-11-09 11:57:09,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:09,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367330102] [2024-11-09 11:57:09,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:09,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:09,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:09,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:09,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:09,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-09 11:57:10,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:10,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367330102] [2024-11-09 11:57:10,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367330102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:10,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:10,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:57:10,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825773068] [2024-11-09 11:57:10,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:10,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:10,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:10,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:10,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:10,005 INFO L87 Difference]: Start difference. First operand 393 states and 516 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:10,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:10,311 INFO L93 Difference]: Finished difference Result 395 states and 516 transitions. [2024-11-09 11:57:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:57:10,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-09 11:57:10,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:10,314 INFO L225 Difference]: With dead ends: 395 [2024-11-09 11:57:10,314 INFO L226 Difference]: Without dead ends: 394 [2024-11-09 11:57:10,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:57:10,315 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 49 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:10,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:57:10,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-09 11:57:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2024-11-09 11:57:10,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.2461538461538462) internal successors, (405), 339 states have internal predecessors, (405), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:57:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 507 transitions. [2024-11-09 11:57:10,349 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 507 transitions. Word has length 77 [2024-11-09 11:57:10,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:10,349 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 507 transitions. [2024-11-09 11:57:10,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 507 transitions. [2024-11-09 11:57:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:57:10,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:10,350 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:10,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 11:57:10,351 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:10,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:10,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1875015663, now seen corresponding path program 1 times [2024-11-09 11:57:10,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:10,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046832666] [2024-11-09 11:57:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:10,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:57:10,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:10,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046832666] [2024-11-09 11:57:10,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046832666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:10,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324678342] [2024-11-09 11:57:10,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:10,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:10,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:10,527 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) [2024-11-09 11:57:10,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:57:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:10,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:57:10,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:10,972 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:57:10,973 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:11,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324678342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:11,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:57:11,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 11:57:11,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440993612] [2024-11-09 11:57:11,763 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:11,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:57:11,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:11,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:57:11,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:57:11,764 INFO L87 Difference]: Start difference. First operand 392 states and 507 transitions. Second operand has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:57:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:13,273 INFO L93 Difference]: Finished difference Result 686 states and 911 transitions. [2024-11-09 11:57:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:57:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 78 [2024-11-09 11:57:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:13,277 INFO L225 Difference]: With dead ends: 686 [2024-11-09 11:57:13,277 INFO L226 Difference]: Without dead ends: 681 [2024-11-09 11:57:13,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2024-11-09 11:57:13,279 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 426 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 832 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:13,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 361 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 832 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:57:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-09 11:57:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 528. [2024-11-09 11:57:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 445 states have (on average 1.2382022471910112) internal successors, (551), 459 states have internal predecessors, (551), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-09 11:57:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 685 transitions. [2024-11-09 11:57:13,363 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 685 transitions. Word has length 78 [2024-11-09 11:57:13,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:13,364 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 685 transitions. [2024-11-09 11:57:13,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:57:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 685 transitions. [2024-11-09 11:57:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:57:13,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:13,367 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:13,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:57:13,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:13,569 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:13,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:13,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1822396848, now seen corresponding path program 1 times [2024-11-09 11:57:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:13,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175186802] [2024-11-09 11:57:13,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:13,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:13,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859079349] [2024-11-09 11:57:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:13,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:13,594 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) [2024-11-09 11:57:13,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:57:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:13,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:57:13,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 11:57:13,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:14,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:14,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175186802] [2024-11-09 11:57:14,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:14,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859079349] [2024-11-09 11:57:14,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859079349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:14,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:14,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:57:14,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442980021] [2024-11-09 11:57:14,440 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:14,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:57:14,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:14,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:57:14,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:57:14,443 INFO L87 Difference]: Start difference. First operand 528 states and 685 transitions. Second operand has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:57:14,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:14,885 INFO L93 Difference]: Finished difference Result 548 states and 697 transitions. [2024-11-09 11:57:14,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:57:14,885 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 92 [2024-11-09 11:57:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:14,889 INFO L225 Difference]: With dead ends: 548 [2024-11-09 11:57:14,889 INFO L226 Difference]: Without dead ends: 426 [2024-11-09 11:57:14,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:57:14,890 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:14,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 230 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:57:14,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-09 11:57:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 424. [2024-11-09 11:57:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 353 states have (on average 1.226628895184136) internal successors, (433), 367 states have internal predecessors, (433), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-09 11:57:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 543 transitions. [2024-11-09 11:57:14,926 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 543 transitions. Word has length 92 [2024-11-09 11:57:14,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:14,926 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 543 transitions. [2024-11-09 11:57:14,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.8) internal successors, (48), 11 states have internal predecessors, (48), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:57:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 543 transitions. [2024-11-09 11:57:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 11:57:14,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:14,928 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:14,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:15,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:15,133 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:15,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:15,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1023289906, now seen corresponding path program 1 times [2024-11-09 11:57:15,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:15,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568454211] [2024-11-09 11:57:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:57:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 11:57:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-09 11:57:15,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:15,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568454211] [2024-11-09 11:57:15,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568454211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:15,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:15,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:57:15,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294894480] [2024-11-09 11:57:15,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:15,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:15,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:15,253 INFO L87 Difference]: Start difference. First operand 424 states and 543 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:57:15,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:15,742 INFO L93 Difference]: Finished difference Result 426 states and 543 transitions. [2024-11-09 11:57:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:57:15,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2024-11-09 11:57:15,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:15,745 INFO L225 Difference]: With dead ends: 426 [2024-11-09 11:57:15,745 INFO L226 Difference]: Without dead ends: 393 [2024-11-09 11:57:15,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:57:15,747 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 22 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:15,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 187 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:57:15,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-09 11:57:15,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2024-11-09 11:57:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 325 states have (on average 1.24) internal successors, (403), 338 states have internal predecessors, (403), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:57:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 505 transitions. [2024-11-09 11:57:15,779 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 505 transitions. Word has length 94 [2024-11-09 11:57:15,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:15,779 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 505 transitions. [2024-11-09 11:57:15,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:57:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 505 transitions. [2024-11-09 11:57:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 11:57:15,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:15,781 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-09 11:57:15,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 11:57:15,782 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:15,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:15,782 INFO L85 PathProgramCache]: Analyzing trace with hash 187458724, now seen corresponding path program 1 times [2024-11-09 11:57:15,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:15,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681213043] [2024-11-09 11:57:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:57:15,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:15,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681213043] [2024-11-09 11:57:15,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681213043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:15,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442966033] [2024-11-09 11:57:15,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:15,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:15,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:15,899 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) [2024-11-09 11:57:15,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:57:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:15,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:15,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:57:16,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:57:16,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442966033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:16,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:16,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 11:57:16,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709358453] [2024-11-09 11:57:16,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:16,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:57:16,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:16,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:57:16,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:57:16,140 INFO L87 Difference]: Start difference. First operand 391 states and 505 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:57:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:16,430 INFO L93 Difference]: Finished difference Result 797 states and 1028 transitions. [2024-11-09 11:57:16,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:57:16,431 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 96 [2024-11-09 11:57:16,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:16,438 INFO L225 Difference]: With dead ends: 797 [2024-11-09 11:57:16,438 INFO L226 Difference]: Without dead ends: 795 [2024-11-09 11:57:16,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:57:16,439 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 238 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:16,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 339 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:57:16,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-09 11:57:16,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 541. [2024-11-09 11:57:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2439024390243902) internal successors, (561), 464 states have internal predecessors, (561), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:57:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 711 transitions. [2024-11-09 11:57:16,490 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 711 transitions. Word has length 96 [2024-11-09 11:57:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:16,491 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 711 transitions. [2024-11-09 11:57:16,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:57:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 711 transitions. [2024-11-09 11:57:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:57:16,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:16,492 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:16,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:57:16,693 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,SelfDestructingSolverStorable24 [2024-11-09 11:57:16,694 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:16,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:16,694 INFO L85 PathProgramCache]: Analyzing trace with hash 360263030, now seen corresponding path program 2 times [2024-11-09 11:57:16,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:16,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640760775] [2024-11-09 11:57:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:16,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:16,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083666027] [2024-11-09 11:57:16,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:16,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:16,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:16,716 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) [2024-11-09 11:57:16,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:57:16,779 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:57:16,779 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:16,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:57:16,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:57:17,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:18,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:18,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640760775] [2024-11-09 11:57:18,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:18,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083666027] [2024-11-09 11:57:18,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083666027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:18,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:18,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:57:18,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866594804] [2024-11-09 11:57:18,335 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:18,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:57:18,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:57:18,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:57:18,339 INFO L87 Difference]: Start difference. First operand 541 states and 711 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:57:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:18,800 INFO L93 Difference]: Finished difference Result 565 states and 741 transitions. [2024-11-09 11:57:18,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:57:18,801 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 101 [2024-11-09 11:57:18,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:18,804 INFO L225 Difference]: With dead ends: 565 [2024-11-09 11:57:18,805 INFO L226 Difference]: Without dead ends: 564 [2024-11-09 11:57:18,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:57:18,806 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 29 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:18,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 272 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:57:18,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-09 11:57:18,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 541. [2024-11-09 11:57:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2416851441241685) internal successors, (560), 464 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:57:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 710 transitions. [2024-11-09 11:57:18,851 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 710 transitions. Word has length 101 [2024-11-09 11:57:18,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:18,851 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 710 transitions. [2024-11-09 11:57:18,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:57:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 710 transitions. [2024-11-09 11:57:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:57:18,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:18,853 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:18,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:57:19,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:57:19,058 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:19,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:19,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1268236555, now seen corresponding path program 2 times [2024-11-09 11:57:19,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:19,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711335305] [2024-11-09 11:57:19,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:19,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:57:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:57:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:57:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:19,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:19,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711335305] [2024-11-09 11:57:19,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711335305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:19,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114061943] [2024-11-09 11:57:19,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:19,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:19,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:19,198 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) [2024-11-09 11:57:19,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:57:19,258 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:57:19,258 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:19,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:19,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:19,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114061943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:19,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:19,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-09 11:57:19,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588107111] [2024-11-09 11:57:19,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:19,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:57:19,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:19,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:57:19,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:19,468 INFO L87 Difference]: Start difference. First operand 541 states and 710 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:57:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:19,582 INFO L93 Difference]: Finished difference Result 550 states and 716 transitions. [2024-11-09 11:57:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:57:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 115 [2024-11-09 11:57:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:19,586 INFO L225 Difference]: With dead ends: 550 [2024-11-09 11:57:19,586 INFO L226 Difference]: Without dead ends: 543 [2024-11-09 11:57:19,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 252 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:19,587 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:19,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 171 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:19,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-09 11:57:19,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2024-11-09 11:57:19,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2328159645232817) internal successors, (556), 464 states have internal predecessors, (556), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:57:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 706 transitions. [2024-11-09 11:57:19,636 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 706 transitions. Word has length 115 [2024-11-09 11:57:19,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:19,636 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 706 transitions. [2024-11-09 11:57:19,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:57:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2024-11-09 11:57:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 11:57:19,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:19,638 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 11:57:19,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:19,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:57:19,842 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:19,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:19,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1739438009, now seen corresponding path program 2 times [2024-11-09 11:57:19,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:19,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227023835] [2024-11-09 11:57:19,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:19,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:57:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:57:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-09 11:57:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 11:57:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:57:19,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:19,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227023835] [2024-11-09 11:57:19,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227023835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:19,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407077827] [2024-11-09 11:57:19,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:19,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:19,968 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) [2024-11-09 11:57:19,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:57:20,013 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:57:20,014 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:20,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:57:20,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-09 11:57:20,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-09 11:57:20,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407077827] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:20,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:20,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-09 11:57:20,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627930687] [2024-11-09 11:57:20,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:20,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:57:20,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:20,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:57:20,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:57:20,275 INFO L87 Difference]: Start difference. First operand 541 states and 706 transitions. Second operand has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-09 11:57:20,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:20,823 INFO L93 Difference]: Finished difference Result 903 states and 1209 transitions. [2024-11-09 11:57:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:57:20,824 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 117 [2024-11-09 11:57:20,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:20,829 INFO L225 Difference]: With dead ends: 903 [2024-11-09 11:57:20,829 INFO L226 Difference]: Without dead ends: 901 [2024-11-09 11:57:20,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:57:20,830 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 988 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:20,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 321 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:57:20,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-11-09 11:57:20,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 435. [2024-11-09 11:57:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 359 states have (on average 1.1977715877437325) internal successors, (430), 370 states have internal predecessors, (430), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 11:57:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 556 transitions. [2024-11-09 11:57:20,893 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 556 transitions. Word has length 117 [2024-11-09 11:57:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:20,893 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 556 transitions. [2024-11-09 11:57:20,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.214285714285714) internal successors, (73), 15 states have internal predecessors, (73), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-09 11:57:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 556 transitions. [2024-11-09 11:57:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 11:57:20,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:20,896 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:20,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:21,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:21,101 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:21,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:21,101 INFO L85 PathProgramCache]: Analyzing trace with hash -217823301, now seen corresponding path program 1 times [2024-11-09 11:57:21,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:21,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987212181] [2024-11-09 11:57:21,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:21,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:57:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:57:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:57:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:21,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:21,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987212181] [2024-11-09 11:57:21,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987212181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:21,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141283574] [2024-11-09 11:57:21,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:21,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:21,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:21,328 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) [2024-11-09 11:57:21,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:57:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:21,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:57:21,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:21,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:22,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141283574] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:22,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:22,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-09 11:57:22,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439611675] [2024-11-09 11:57:22,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:22,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:57:22,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:22,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:57:22,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:57:22,067 INFO L87 Difference]: Start difference. First operand 435 states and 556 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:22,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:22,685 INFO L93 Difference]: Finished difference Result 578 states and 741 transitions. [2024-11-09 11:57:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:57:22,687 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 117 [2024-11-09 11:57:22,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:22,689 INFO L225 Difference]: With dead ends: 578 [2024-11-09 11:57:22,690 INFO L226 Difference]: Without dead ends: 487 [2024-11-09 11:57:22,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 11:57:22,692 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 510 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:22,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 517 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:22,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-09 11:57:22,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 424. [2024-11-09 11:57:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 346 states have (on average 1.2254335260115607) internal successors, (424), 357 states have internal predecessors, (424), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 11:57:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 554 transitions. [2024-11-09 11:57:22,734 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 554 transitions. Word has length 117 [2024-11-09 11:57:22,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:22,735 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 554 transitions. [2024-11-09 11:57:22,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 554 transitions. [2024-11-09 11:57:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-09 11:57:22,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:22,737 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:22,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 11:57:22,938 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,SelfDestructingSolverStorable28 [2024-11-09 11:57:22,939 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:22,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:22,939 INFO L85 PathProgramCache]: Analyzing trace with hash -927071534, now seen corresponding path program 1 times [2024-11-09 11:57:22,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:22,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653190437] [2024-11-09 11:57:22,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:22,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:57:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:57:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:57:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-09 11:57:23,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653190437] [2024-11-09 11:57:23,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653190437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919956738] [2024-11-09 11:57:23,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:23,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:23,196 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) [2024-11-09 11:57:23,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:57:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:23,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:57:23,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:23,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:26,430 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:26,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919956738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:26,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:26,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-09 11:57:26,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951443847] [2024-11-09 11:57:26,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:26,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 11:57:26,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:26,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 11:57:26,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:57:26,432 INFO L87 Difference]: Start difference. First operand 424 states and 554 transitions. Second operand has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:57:26,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:26,847 INFO L93 Difference]: Finished difference Result 559 states and 743 transitions. [2024-11-09 11:57:26,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:57:26,848 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 122 [2024-11-09 11:57:26,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:26,850 INFO L225 Difference]: With dead ends: 559 [2024-11-09 11:57:26,850 INFO L226 Difference]: Without dead ends: 558 [2024-11-09 11:57:26,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:57:26,851 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 246 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:26,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 306 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:26,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-09 11:57:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 423. [2024-11-09 11:57:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 346 states have (on average 1.216763005780347) internal successors, (421), 356 states have internal predecessors, (421), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-09 11:57:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 551 transitions. [2024-11-09 11:57:26,898 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 551 transitions. Word has length 122 [2024-11-09 11:57:26,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:26,898 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 551 transitions. [2024-11-09 11:57:26,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:57:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 551 transitions. [2024-11-09 11:57:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 11:57:26,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:26,900 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:26,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:57:27,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:27,102 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:27,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:27,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1325553635, now seen corresponding path program 1 times [2024-11-09 11:57:27,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:27,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145234940] [2024-11-09 11:57:27,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:27,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:57:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:57:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:57:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:27,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145234940] [2024-11-09 11:57:27,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145234940] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042219698] [2024-11-09 11:57:27,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:27,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:27,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:27,348 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) [2024-11-09 11:57:27,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:57:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:27,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:57:27,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:27,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:28,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042219698] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:28,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:28,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-09 11:57:28,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139091294] [2024-11-09 11:57:28,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:28,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:57:28,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:57:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:57:28,890 INFO L87 Difference]: Start difference. First operand 423 states and 551 transitions. Second operand has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:29,954 INFO L93 Difference]: Finished difference Result 685 states and 874 transitions. [2024-11-09 11:57:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:57:29,955 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 123 [2024-11-09 11:57:29,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:29,958 INFO L225 Difference]: With dead ends: 685 [2024-11-09 11:57:29,958 INFO L226 Difference]: Without dead ends: 684 [2024-11-09 11:57:29,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 11:57:29,959 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 298 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:29,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 553 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:57:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-11-09 11:57:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 566. [2024-11-09 11:57:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.2135306553911205) internal successors, (574), 483 states have internal predecessors, (574), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 11:57:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 736 transitions. [2024-11-09 11:57:30,023 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 736 transitions. Word has length 123 [2024-11-09 11:57:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:30,023 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 736 transitions. [2024-11-09 11:57:30,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 736 transitions. [2024-11-09 11:57:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 11:57:30,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:30,025 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-09 11:57:30,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:30,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:30,226 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:30,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:30,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1267811953, now seen corresponding path program 3 times [2024-11-09 11:57:30,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:30,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247407041] [2024-11-09 11:57:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:30,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:30,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5811061] [2024-11-09 11:57:30,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:57:30,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:30,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:30,244 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) [2024-11-09 11:57:30,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:57:30,298 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:57:30,298 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:30,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:57:30,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-09 11:57:30,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:41,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:41,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247407041] [2024-11-09 11:57:41,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:41,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5811061] [2024-11-09 11:57:41,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5811061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:41,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:41,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:57:41,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224181870] [2024-11-09 11:57:41,519 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:41,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:57:41,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:41,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:57:41,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=243, Unknown=2, NotChecked=0, Total=306 [2024-11-09 11:57:41,520 INFO L87 Difference]: Start difference. First operand 566 states and 736 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:42,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:42,285 INFO L93 Difference]: Finished difference Result 579 states and 748 transitions. [2024-11-09 11:57:42,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:57:42,286 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2024-11-09 11:57:42,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:42,289 INFO L225 Difference]: With dead ends: 579 [2024-11-09 11:57:42,289 INFO L226 Difference]: Without dead ends: 578 [2024-11-09 11:57:42,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=160, Invalid=540, Unknown=2, NotChecked=0, Total=702 [2024-11-09 11:57:42,290 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 150 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:42,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 124 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:57:42,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-09 11:57:42,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 566. [2024-11-09 11:57:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.200845665961945) internal successors, (568), 483 states have internal predecessors, (568), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 11:57:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 730 transitions. [2024-11-09 11:57:42,362 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 730 transitions. Word has length 124 [2024-11-09 11:57:42,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:42,362 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 730 transitions. [2024-11-09 11:57:42,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2024-11-09 11:57:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 11:57:42,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:42,365 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:42,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:42,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:42,566 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:42,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:42,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1748241147, now seen corresponding path program 2 times [2024-11-09 11:57:42,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:42,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779777360] [2024-11-09 11:57:42,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:42,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:42,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [347347247] [2024-11-09 11:57:42,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:42,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:42,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:42,594 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) [2024-11-09 11:57:42,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:57:42,642 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:57:42,643 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:42,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:42,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-11-09 11:57:42,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:42,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:42,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779777360] [2024-11-09 11:57:42,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:42,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347347247] [2024-11-09 11:57:42,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347347247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:42,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:42,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:57:42,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582388186] [2024-11-09 11:57:42,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:42,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:42,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:42,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:42,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:42,830 INFO L87 Difference]: Start difference. First operand 566 states and 730 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:42,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:42,989 INFO L93 Difference]: Finished difference Result 566 states and 730 transitions. [2024-11-09 11:57:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:42,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2024-11-09 11:57:42,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:42,992 INFO L225 Difference]: With dead ends: 566 [2024-11-09 11:57:42,992 INFO L226 Difference]: Without dead ends: 565 [2024-11-09 11:57:42,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:42,993 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 61 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:42,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 61 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:57:42,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-11-09 11:57:43,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 535. [2024-11-09 11:57:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 447 states have (on average 1.1722595078299776) internal successors, (524), 456 states have internal predecessors, (524), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-09 11:57:43,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 678 transitions. [2024-11-09 11:57:43,061 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 678 transitions. Word has length 125 [2024-11-09 11:57:43,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:43,061 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 678 transitions. [2024-11-09 11:57:43,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 678 transitions. [2024-11-09 11:57:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 11:57:43,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:43,062 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:43,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:43,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:43,263 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:43,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:43,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1078496496, now seen corresponding path program 4 times [2024-11-09 11:57:43,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:43,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905405202] [2024-11-09 11:57:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:43,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:57:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:57:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:57:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:57:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:57:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:57:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:57:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:57:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:57:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 11:57:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:57:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:57:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:43,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:43,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905405202] [2024-11-09 11:57:43,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905405202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:43,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674093380] [2024-11-09 11:57:43,711 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:57:43,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:43,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:43,715 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) [2024-11-09 11:57:43,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:57:43,784 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:57:43,784 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:43,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:57:43,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 11:57:44,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:55,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674093380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:55,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:57:55,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2024-11-09 11:57:55,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544469234] [2024-11-09 11:57:55,310 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:55,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:57:55,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:55,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:57:55,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=772, Unknown=2, NotChecked=0, Total=870 [2024-11-09 11:57:55,311 INFO L87 Difference]: Start difference. First operand 535 states and 678 transitions. Second operand has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-09 11:57:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:59,678 INFO L93 Difference]: Finished difference Result 934 states and 1190 transitions. [2024-11-09 11:57:59,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-09 11:57:59,679 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 128 [2024-11-09 11:57:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:59,683 INFO L225 Difference]: With dead ends: 934 [2024-11-09 11:57:59,683 INFO L226 Difference]: Without dead ends: 928 [2024-11-09 11:57:59,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1410 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=883, Invalid=4967, Unknown=2, NotChecked=0, Total=5852 [2024-11-09 11:57:59,686 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 846 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 2211 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:59,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 643 Invalid, 2387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2211 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 11:57:59,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-11-09 11:57:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 684. [2024-11-09 11:57:59,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 584 states have (on average 1.1695205479452055) internal successors, (683), 593 states have internal predecessors, (683), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2024-11-09 11:57:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 861 transitions. [2024-11-09 11:57:59,773 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 861 transitions. Word has length 128 [2024-11-09 11:57:59,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:59,774 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 861 transitions. [2024-11-09 11:57:59,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.458333333333333) internal successors, (131), 25 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-09 11:57:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 861 transitions. [2024-11-09 11:57:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 11:57:59,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:59,776 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:59,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 11:57:59,979 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,SelfDestructingSolverStorable33 [2024-11-09 11:57:59,980 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:57:59,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1545551038, now seen corresponding path program 1 times [2024-11-09 11:57:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926265927] [2024-11-09 11:57:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:59,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:58:00,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37833414] [2024-11-09 11:58:00,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:00,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:00,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:00,006 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) [2024-11-09 11:58:00,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:58:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:00,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:58:00,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-09 11:58:00,266 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:58:00,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:00,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926265927] [2024-11-09 11:58:00,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:58:00,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37833414] [2024-11-09 11:58:00,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37833414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:00,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:58:00,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:58:00,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189572310] [2024-11-09 11:58:00,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:00,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:58:00,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:00,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:58:00,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:58:00,268 INFO L87 Difference]: Start difference. First operand 684 states and 861 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:58:00,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:00,391 INFO L93 Difference]: Finished difference Result 684 states and 861 transitions. [2024-11-09 11:58:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:58:00,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 131 [2024-11-09 11:58:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:00,395 INFO L225 Difference]: With dead ends: 684 [2024-11-09 11:58:00,395 INFO L226 Difference]: Without dead ends: 682 [2024-11-09 11:58:00,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:58:00,396 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:00,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 53 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:58:00,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-09 11:58:00,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 535. [2024-11-09 11:58:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 453 states have (on average 1.1390728476821192) internal successors, (516), 460 states have internal predecessors, (516), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:58:00,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 662 transitions. [2024-11-09 11:58:00,478 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 662 transitions. Word has length 131 [2024-11-09 11:58:00,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:00,479 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 662 transitions. [2024-11-09 11:58:00,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:58:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 662 transitions. [2024-11-09 11:58:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 11:58:00,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:00,480 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:00,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:58:00,680 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,SelfDestructingSolverStorable34 [2024-11-09 11:58:00,681 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:58:00,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:00,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1413407113, now seen corresponding path program 1 times [2024-11-09 11:58:00,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:00,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420507370] [2024-11-09 11:58:00,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:58:00,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854626802] [2024-11-09 11:58:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:00,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:00,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:00,710 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) [2024-11-09 11:58:00,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:58:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:00,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:58:00,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:58:01,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:01,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:01,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420507370] [2024-11-09 11:58:01,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:58:01,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854626802] [2024-11-09 11:58:01,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854626802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:01,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:58:01,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:58:01,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116217043] [2024-11-09 11:58:01,679 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:01,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:58:01,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:01,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:58:01,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:58:01,680 INFO L87 Difference]: Start difference. First operand 535 states and 662 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:58:02,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:02,191 INFO L93 Difference]: Finished difference Result 539 states and 666 transitions. [2024-11-09 11:58:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:58:02,192 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2024-11-09 11:58:02,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:02,194 INFO L225 Difference]: With dead ends: 539 [2024-11-09 11:58:02,194 INFO L226 Difference]: Without dead ends: 538 [2024-11-09 11:58:02,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:58:02,195 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:02,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 259 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:58:02,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-09 11:58:02,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 536. [2024-11-09 11:58:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 454 states have (on average 1.1387665198237886) internal successors, (517), 461 states have internal predecessors, (517), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:58:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 663 transitions. [2024-11-09 11:58:02,270 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 663 transitions. Word has length 138 [2024-11-09 11:58:02,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:02,271 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 663 transitions. [2024-11-09 11:58:02,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:58:02,271 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 663 transitions. [2024-11-09 11:58:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 11:58:02,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:02,273 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:02,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-09 11:58:02,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:58:02,474 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:58:02,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:02,474 INFO L85 PathProgramCache]: Analyzing trace with hash 865947670, now seen corresponding path program 1 times [2024-11-09 11:58:02,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:02,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69465875] [2024-11-09 11:58:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:02,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:58:02,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622044966] [2024-11-09 11:58:02,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:02,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:02,509 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) [2024-11-09 11:58:02,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:58:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:02,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:58:02,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:58:03,223 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:03,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69465875] [2024-11-09 11:58:03,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:58:03,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622044966] [2024-11-09 11:58:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622044966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:03,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:58:03,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:58:03,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492304061] [2024-11-09 11:58:03,784 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:03,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:58:03,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:03,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:58:03,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:58:03,785 INFO L87 Difference]: Start difference. First operand 536 states and 663 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:58:04,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:04,397 INFO L93 Difference]: Finished difference Result 544 states and 670 transitions. [2024-11-09 11:58:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:58:04,398 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 139 [2024-11-09 11:58:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:04,400 INFO L225 Difference]: With dead ends: 544 [2024-11-09 11:58:04,400 INFO L226 Difference]: Without dead ends: 539 [2024-11-09 11:58:04,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:58:04,401 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 33 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:04,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 337 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:58:04,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-09 11:58:04,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 536. [2024-11-09 11:58:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 454 states have (on average 1.1343612334801763) internal successors, (515), 461 states have internal predecessors, (515), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:58:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 661 transitions. [2024-11-09 11:58:04,473 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 661 transitions. Word has length 139 [2024-11-09 11:58:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:04,473 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 661 transitions. [2024-11-09 11:58:04,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:58:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 661 transitions. [2024-11-09 11:58:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 11:58:04,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:04,475 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:04,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-09 11:58:04,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:04,676 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:58:04,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:04,676 INFO L85 PathProgramCache]: Analyzing trace with hash -876105969, now seen corresponding path program 3 times [2024-11-09 11:58:04,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:04,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652744319] [2024-11-09 11:58:04,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:04,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:58:04,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169708694] [2024-11-09 11:58:04,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:58:04,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:04,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:04,711 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) [2024-11-09 11:58:04,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:58:04,776 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:58:04,776 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:58:04,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:58:04,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:04,991 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-09 11:58:04,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-09 11:58:05,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:05,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652744319] [2024-11-09 11:58:05,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:58:05,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169708694] [2024-11-09 11:58:05,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169708694] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:05,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:58:05,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-09 11:58:05,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036667406] [2024-11-09 11:58:05,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:05,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:58:05,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:05,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:58:05,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:58:05,186 INFO L87 Difference]: Start difference. First operand 536 states and 661 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:58:05,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:05,905 INFO L93 Difference]: Finished difference Result 538 states and 663 transitions. [2024-11-09 11:58:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:58:05,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 142 [2024-11-09 11:58:05,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:05,908 INFO L225 Difference]: With dead ends: 538 [2024-11-09 11:58:05,908 INFO L226 Difference]: Without dead ends: 537 [2024-11-09 11:58:05,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:58:05,909 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 67 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:05,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 71 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:58:05,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-09 11:58:05,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 535. [2024-11-09 11:58:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 454 states have (on average 1.1299559471365639) internal successors, (513), 460 states have internal predecessors, (513), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:58:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 659 transitions. [2024-11-09 11:58:05,990 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 659 transitions. Word has length 142 [2024-11-09 11:58:05,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:05,991 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 659 transitions. [2024-11-09 11:58:05,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:58:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 659 transitions. [2024-11-09 11:58:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 11:58:05,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:05,992 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:06,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:58:06,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:58:06,197 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:58:06,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:06,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1389481136, now seen corresponding path program 1 times [2024-11-09 11:58:06,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:06,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111973887] [2024-11-09 11:58:06,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:58:06,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281960043] [2024-11-09 11:58:06,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:06,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:06,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:06,231 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) [2024-11-09 11:58:06,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:58:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:06,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 11:58:06,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:58:07,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:58:08,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:08,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111973887] [2024-11-09 11:58:08,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:58:08,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281960043] [2024-11-09 11:58:08,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281960043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:08,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:58:08,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-09 11:58:08,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964808323] [2024-11-09 11:58:08,273 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:58:08,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:58:08,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:08,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:58:08,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:58:08,275 INFO L87 Difference]: Start difference. First operand 535 states and 659 transitions. Second operand has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:58:09,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:09,054 INFO L93 Difference]: Finished difference Result 587 states and 718 transitions. [2024-11-09 11:58:09,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:58:09,055 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 143 [2024-11-09 11:58:09,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:09,056 INFO L225 Difference]: With dead ends: 587 [2024-11-09 11:58:09,057 INFO L226 Difference]: Without dead ends: 318 [2024-11-09 11:58:09,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=272, Invalid=850, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 11:58:09,058 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 120 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:09,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 315 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:58:09,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-09 11:58:09,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-09 11:58:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 261 states have (on average 1.10727969348659) internal successors, (289), 267 states have internal predecessors, (289), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-09 11:58:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 387 transitions. [2024-11-09 11:58:09,114 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 387 transitions. Word has length 143 [2024-11-09 11:58:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:09,115 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 387 transitions. [2024-11-09 11:58:09,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:58:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 387 transitions. [2024-11-09 11:58:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 11:58:09,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:09,116 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:09,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:58:09,316 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,SelfDestructingSolverStorable38 [2024-11-09 11:58:09,317 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:58:09,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:09,318 INFO L85 PathProgramCache]: Analyzing trace with hash 386871941, now seen corresponding path program 2 times [2024-11-09 11:58:09,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:09,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363440733] [2024-11-09 11:58:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:09,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:58:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:58:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:58:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:58:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:58:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:58:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:58:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:58:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:58:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:58:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:58:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:58:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 11:58:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-09 11:58:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:58:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:58:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:58:09,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:09,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363440733] [2024-11-09 11:58:09,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363440733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:09,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97839921] [2024-11-09 11:58:09,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:58:09,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:09,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:09,572 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) [2024-11-09 11:58:09,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:58:09,687 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:58:09,688 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:58:09,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:58:09,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-11-09 11:58:10,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:58:10,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97839921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:58:10,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:58:10,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-11-09 11:58:10,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618540878] [2024-11-09 11:58:10,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:58:10,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:58:10,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:58:10,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:58:10,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:58:10,063 INFO L87 Difference]: Start difference. First operand 318 states and 387 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-09 11:58:10,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:58:10,355 INFO L93 Difference]: Finished difference Result 434 states and 529 transitions. [2024-11-09 11:58:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:58:10,356 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 162 [2024-11-09 11:58:10,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:58:10,357 INFO L225 Difference]: With dead ends: 434 [2024-11-09 11:58:10,357 INFO L226 Difference]: Without dead ends: 316 [2024-11-09 11:58:10,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:58:10,358 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 90 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:58:10,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 251 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:58:10,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-09 11:58:10,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 288. [2024-11-09 11:58:10,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 233 states have (on average 1.1244635193133048) internal successors, (262), 239 states have internal predecessors, (262), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:58:10,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 356 transitions. [2024-11-09 11:58:10,416 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 356 transitions. Word has length 162 [2024-11-09 11:58:10,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:58:10,417 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 356 transitions. [2024-11-09 11:58:10,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 5 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-09 11:58:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 356 transitions. [2024-11-09 11:58:10,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 11:58:10,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:58:10,418 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:58:10,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:58:10,619 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,SelfDestructingSolverStorable39 [2024-11-09 11:58:10,619 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-09 11:58:10,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:58:10,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1121309905, now seen corresponding path program 3 times [2024-11-09 11:58:10,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:58:10,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158534287] [2024-11-09 11:58:10,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:58:10,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:58:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 11:58:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 11:58:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:58:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 11:58:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:58:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:58:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:58:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 11:58:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:58:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 11:58:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:58:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 11:58:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 11:58:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:58:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-09 11:58:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 11:58:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-09 11:58:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:58:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:58:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-09 11:58:10,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:58:10,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158534287] [2024-11-09 11:58:10,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158534287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:58:10,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214925561] [2024-11-09 11:58:10,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:58:10,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:58:10,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:58:10,905 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) [2024-11-09 11:58:10,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:58:11,004 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:58:11,004 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:58:11,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:58:11,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:58:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-11-09 11:58:11,305 INFO L311 TraceCheckSpWp]: Computing backward predicates...