./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.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_unwindbound2.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 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:56:21,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:56:21,148 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:56:21,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:56:21,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:56:21,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:56:21,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:56:21,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:56:21,187 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:56:21,187 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:56:21,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:56:21,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:56:21,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:56:21,190 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:56:21,191 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:56:21,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:56:21,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:56:21,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:56:21,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:56:21,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:56:21,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:56:21,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:56:21,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:56:21,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:56:21,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:56:21,197 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:56:21,197 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:56:21,197 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:56:21,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:56:21,198 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:56:21,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:56:21,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:56:21,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:56:21,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:56:21,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:21,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:56:21,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:56:21,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:56:21,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:56:21,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:56:21,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:56:21,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:56:21,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:56:21,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:56:21,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 [2024-11-09 11:56:21,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:56:21,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:56:21,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:56:21,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:56:21,494 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:56:21,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2024-11-09 11:56:22,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:56:23,163 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:56:23,165 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2024-11-09 11:56:23,173 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4644d6663/b0ab6164803247fc9b3df3114c56e512/FLAG4529d3bea [2024-11-09 11:56:23,189 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4644d6663/b0ab6164803247fc9b3df3114c56e512 [2024-11-09 11:56:23,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:56:23,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:56:23,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:23,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:56:23,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:56:23,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb7b988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23, skipping insertion in model container [2024-11-09 11:56:23,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:56:23,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:23,446 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:56:23,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:23,488 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:56:23,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23 WrapperNode [2024-11-09 11:56:23,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:23,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:23,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:56:23,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:56:23,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,528 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-11-09 11:56:23,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:23,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:56:23,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:56:23,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:56:23,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,543 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,569 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 11:56:23,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:56:23,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:56:23,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:56:23,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:56:23,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (1/1) ... [2024-11-09 11:56:23,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:23,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:23,635 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 11:56:23,638 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 11:56:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:56:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:56:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:56:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:56:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:56:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:56:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:56:23,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:56:23,746 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:56:24,033 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-09 11:56:24,033 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:56:24,056 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:56:24,056 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:56:24,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:24 BoogieIcfgContainer [2024-11-09 11:56:24,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:56:24,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:56:24,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:56:24,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:56:24,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:56:23" (1/3) ... [2024-11-09 11:56:24,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119e6eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:24, skipping insertion in model container [2024-11-09 11:56:24,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:23" (2/3) ... [2024-11-09 11:56:24,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119e6eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:24, skipping insertion in model container [2024-11-09 11:56:24,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:24" (3/3) ... [2024-11-09 11:56:24,070 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_unwindbound2.c [2024-11-09 11:56:24,086 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:56:24,087 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-09 11:56:24,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:56:24,148 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;@464fcad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:56:24,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 11:56:24,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 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 11:56:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:56:24,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:24,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:56:24,160 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:24,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:24,166 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-09 11:56:24,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:24,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317910587] [2024-11-09 11:56:24,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:24,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,442 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 11:56:24,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:24,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317910587] [2024-11-09 11:56:24,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317910587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:24,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:24,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:24,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574970699] [2024-11-09 11:56:24,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:24,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:24,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:24,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:24,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:24,484 INFO L87 Difference]: Start difference. First operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 11:56:24,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:24,590 INFO L93 Difference]: Finished difference Result 165 states and 202 transitions. [2024-11-09 11:56:24,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:24,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-09 11:56:24,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:24,601 INFO L225 Difference]: With dead ends: 165 [2024-11-09 11:56:24,601 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 11:56:24,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:24,606 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:24,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 253 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:24,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 11:56:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-09 11:56:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 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 11:56:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2024-11-09 11:56:24,642 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 4 [2024-11-09 11:56:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:24,643 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2024-11-09 11:56:24,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 11:56:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2024-11-09 11:56:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:56:24,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:24,644 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:24,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:56:24,645 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:24,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:24,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1702780027, now seen corresponding path program 1 times [2024-11-09 11:56:24,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:24,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084397475] [2024-11-09 11:56:24,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:24,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:24,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67694344] [2024-11-09 11:56:24,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:24,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:24,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:24,675 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 11:56:24,677 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 11:56:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:24,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:24,824 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 11:56:24,824 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:24,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:24,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084397475] [2024-11-09 11:56:24,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:24,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67694344] [2024-11-09 11:56:24,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67694344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:24,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:24,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:24,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937618326] [2024-11-09 11:56:24,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:24,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:24,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:24,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:24,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:24,832 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 11:56:24,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:24,932 INFO L93 Difference]: Finished difference Result 167 states and 191 transitions. [2024-11-09 11:56:24,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:24,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 17 [2024-11-09 11:56:24,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:24,934 INFO L225 Difference]: With dead ends: 167 [2024-11-09 11:56:24,934 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 11:56:24,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 11:56:24,936 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 29 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 125 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 11:56:24,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 125 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:24,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 11:56:24,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 101. [2024-11-09 11:56:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6774193548387097) internal successors, (104), 89 states have internal predecessors, (104), 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 11:56:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2024-11-09 11:56:24,949 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 17 [2024-11-09 11:56:24,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:24,950 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2024-11-09 11:56:24,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 11:56:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2024-11-09 11:56:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:56:24,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:24,951 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 11:56:24,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:56:25,152 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 11:56:25,153 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:25,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:25,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1479522145, now seen corresponding path program 1 times [2024-11-09 11:56:25,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:25,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778971825] [2024-11-09 11:56:25,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,303 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 11:56:25,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778971825] [2024-11-09 11:56:25,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778971825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:25,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:25,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:25,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178238733] [2024-11-09 11:56:25,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:25,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:25,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:25,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:25,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:25,308 INFO L87 Difference]: Start difference. First operand 101 states and 124 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 11:56:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:25,370 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2024-11-09 11:56:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:25,371 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 11:56:25,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:25,372 INFO L225 Difference]: With dead ends: 113 [2024-11-09 11:56:25,374 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 11:56:25,374 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 11:56:25,375 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:25,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 129 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:25,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 11:56:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2024-11-09 11:56:25,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 89 states have internal predecessors, (102), 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 11:56:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2024-11-09 11:56:25,388 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 25 [2024-11-09 11:56:25,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:25,388 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2024-11-09 11:56:25,388 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 11:56:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2024-11-09 11:56:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:56:25,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:25,390 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] [2024-11-09 11:56:25,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:56:25,390 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:25,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:25,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1379452317, now seen corresponding path program 1 times [2024-11-09 11:56:25,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:25,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331951378] [2024-11-09 11:56:25,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:25,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,597 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 11:56:25,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:25,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331951378] [2024-11-09 11:56:25,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331951378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:25,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:25,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:56:25,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544660005] [2024-11-09 11:56:25,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:25,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:25,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:25,602 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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 11:56:25,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:25,704 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2024-11-09 11:56:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:25,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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 26 [2024-11-09 11:56:25,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:25,707 INFO L225 Difference]: With dead ends: 124 [2024-11-09 11:56:25,707 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 11:56:25,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:25,708 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 46 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:25,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 351 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 11:56:25,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2024-11-09 11:56:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 65 states have (on average 1.6) internal successors, (104), 92 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2024-11-09 11:56:25,727 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 26 [2024-11-09 11:56:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:25,728 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2024-11-09 11:56:25,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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 11:56:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2024-11-09 11:56:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 11:56:25,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:25,729 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 11:56:25,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:56:25,730 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:25,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:25,730 INFO L85 PathProgramCache]: Analyzing trace with hash -186651056, now seen corresponding path program 1 times [2024-11-09 11:56:25,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:25,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189122531] [2024-11-09 11:56:25,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:25,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,883 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 11:56:25,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:25,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189122531] [2024-11-09 11:56:25,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189122531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:25,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:25,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:56:25,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548517458] [2024-11-09 11:56:25,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:25,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:25,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:25,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:25,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:25,891 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 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 11:56:25,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:25,976 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions. [2024-11-09 11:56:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:56:25,977 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), 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 27 [2024-11-09 11:56:25,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:25,978 INFO L225 Difference]: With dead ends: 123 [2024-11-09 11:56:25,978 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 11:56:25,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:25,979 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 21 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:25,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 419 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:25,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 11:56:25,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2024-11-09 11:56:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 95 states have internal predecessors, (105), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2024-11-09 11:56:25,997 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 27 [2024-11-09 11:56:25,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:25,998 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2024-11-09 11:56:25,998 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), 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 11:56:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2024-11-09 11:56:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:56:25,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:25,999 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, 1] [2024-11-09 11:56:25,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:56:25,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:26,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:26,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1016964242, now seen corresponding path program 1 times [2024-11-09 11:56:26,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:26,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199995367] [2024-11-09 11:56:26,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:26,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568683448] [2024-11-09 11:56:26,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:26,028 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 11:56:26,029 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 11:56:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:56:26,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:26,123 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 11:56:26,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:26,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:26,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199995367] [2024-11-09 11:56:26,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:26,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568683448] [2024-11-09 11:56:26,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568683448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:26,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:26,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:26,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184220910] [2024-11-09 11:56:26,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:26,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:26,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:26,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:26,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:26,126 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 11:56:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:26,176 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2024-11-09 11:56:26,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:26,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 29 [2024-11-09 11:56:26,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:26,177 INFO L225 Difference]: With dead ends: 149 [2024-11-09 11:56:26,178 INFO L226 Difference]: Without dead ends: 145 [2024-11-09 11:56:26,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 11:56:26,179 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:26,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:26,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-09 11:56:26,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2024-11-09 11:56:26,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.558139534883721) internal successors, (134), 113 states have internal predecessors, (134), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:26,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2024-11-09 11:56:26,198 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 29 [2024-11-09 11:56:26,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:26,199 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2024-11-09 11:56:26,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 11:56:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2024-11-09 11:56:26,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:56:26,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:26,200 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:26,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:56:26,405 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,SelfDestructingSolverStorable5 [2024-11-09 11:56:26,406 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:26,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:26,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1443428317, now seen corresponding path program 1 times [2024-11-09 11:56:26,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:26,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701140863] [2024-11-09 11:56:26,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:26,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:26,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701140863] [2024-11-09 11:56:26,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701140863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:26,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146658244] [2024-11-09 11:56:26,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:26,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:26,506 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 11:56:26,507 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 11:56:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:26,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:26,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:26,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146658244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:26,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:26,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 11:56:26,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667994846] [2024-11-09 11:56:26,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:26,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:26,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:26,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:26,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:26,694 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 11:56:26,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:26,725 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2024-11-09 11:56:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:26,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 30 [2024-11-09 11:56:26,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:26,727 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:56:26,727 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 11:56:26,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:26,728 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 19 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:26,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:26,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 11:56:26,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-11-09 11:56:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 115 states have internal predecessors, (136), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:26,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-11-09 11:56:26,744 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 30 [2024-11-09 11:56:26,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:26,744 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-11-09 11:56:26,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 11:56:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-09 11:56:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:56:26,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:26,745 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, 1, 1, 1] [2024-11-09 11:56:26,759 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 11:56:26,949 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 11:56:26,950 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:26,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:26,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1949904172, now seen corresponding path program 1 times [2024-11-09 11:56:26,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:26,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473746552] [2024-11-09 11:56:26,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:26,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94781655] [2024-11-09 11:56:26,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:26,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:26,970 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 11:56:26,972 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 11:56:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:27,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:27,132 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 11:56:27,132 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:27,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:27,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473746552] [2024-11-09 11:56:27,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:27,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94781655] [2024-11-09 11:56:27,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94781655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:27,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:27,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:27,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820687867] [2024-11-09 11:56:27,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:27,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:27,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:27,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:27,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:27,138 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 11:56:27,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:27,229 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-11-09 11:56:27,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:27,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 31 [2024-11-09 11:56:27,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:27,230 INFO L225 Difference]: With dead ends: 146 [2024-11-09 11:56:27,230 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 11:56:27,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 11:56:27,231 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 38 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:27,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 96 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:27,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 11:56:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 133. [2024-11-09 11:56:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.5) internal successors, (135), 116 states have internal predecessors, (135), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2024-11-09 11:56:27,248 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 31 [2024-11-09 11:56:27,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:27,249 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-11-09 11:56:27,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 11:56:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-11-09 11:56:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:56:27,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:27,250 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:27,268 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 11:56:27,454 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 11:56:27,455 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:27,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:27,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1796604826, now seen corresponding path program 1 times [2024-11-09 11:56:27,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:27,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440725438] [2024-11-09 11:56:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:27,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:27,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440725438] [2024-11-09 11:56:27,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440725438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:27,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534944653] [2024-11-09 11:56:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:27,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:27,542 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 11:56:27,545 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 11:56:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:27,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:27,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:27,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534944653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:27,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:27,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 11:56:27,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323293793] [2024-11-09 11:56:27,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:27,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:27,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:27,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:27,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:27,646 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 11:56:27,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:27,702 INFO L93 Difference]: Finished difference Result 138 states and 164 transitions. [2024-11-09 11:56:27,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:27,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 31 [2024-11-09 11:56:27,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:27,704 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:56:27,704 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 11:56:27,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:56:27,705 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 16 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:27,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 269 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:27,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 11:56:27,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-11-09 11:56:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.488888888888889) internal successors, (134), 115 states have internal predecessors, (134), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2024-11-09 11:56:27,718 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 31 [2024-11-09 11:56:27,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:27,719 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2024-11-09 11:56:27,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 11:56:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2024-11-09 11:56:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:56:27,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:27,722 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, 1, 1, 1, 1] [2024-11-09 11:56:27,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:56:27,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:27,923 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:27,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:27,923 INFO L85 PathProgramCache]: Analyzing trace with hash -317487098, now seen corresponding path program 1 times [2024-11-09 11:56:27,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:27,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125262863] [2024-11-09 11:56:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,988 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 11:56:27,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:27,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125262863] [2024-11-09 11:56:27,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125262863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:27,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:27,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:27,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500121983] [2024-11-09 11:56:27,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:27,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:27,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:27,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:27,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:27,993 INFO L87 Difference]: Start difference. First operand 132 states and 158 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 11:56:28,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:28,341 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions. [2024-11-09 11:56:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:28,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 32 [2024-11-09 11:56:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:28,343 INFO L225 Difference]: With dead ends: 152 [2024-11-09 11:56:28,343 INFO L226 Difference]: Without dead ends: 151 [2024-11-09 11:56:28,343 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 11:56:28,344 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:28,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 159 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:28,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-09 11:56:28,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2024-11-09 11:56:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.489795918367347) internal successors, (146), 123 states have internal predecessors, (146), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 170 transitions. [2024-11-09 11:56:28,354 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 170 transitions. Word has length 32 [2024-11-09 11:56:28,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:28,355 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 170 transitions. [2024-11-09 11:56:28,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 11:56:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-11-09 11:56:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:56:28,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:28,356 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 11:56:28,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:56:28,356 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:28,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:28,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1228116008, now seen corresponding path program 1 times [2024-11-09 11:56:28,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:28,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356908093] [2024-11-09 11:56:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:28,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:28,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:28,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356908093] [2024-11-09 11:56:28,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356908093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:28,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112121789] [2024-11-09 11:56:28,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:28,428 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 11:56:28,429 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 11:56:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:28,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:28,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:28,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112121789] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:28,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:28,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2024-11-09 11:56:28,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559259316] [2024-11-09 11:56:28,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:28,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:56:28,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:28,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:56:28,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:28,606 INFO L87 Difference]: Start difference. First operand 140 states and 170 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:56:28,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:28,676 INFO L93 Difference]: Finished difference Result 223 states and 276 transitions. [2024-11-09 11:56:28,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:56:28,677 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 34 [2024-11-09 11:56:28,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:28,678 INFO L225 Difference]: With dead ends: 223 [2024-11-09 11:56:28,678 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 11:56:28,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:28,679 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 8 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:28,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 426 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:28,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 11:56:28,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-09 11:56:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 102 states have (on average 1.4705882352941178) internal successors, (150), 127 states have internal predecessors, (150), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 174 transitions. [2024-11-09 11:56:28,688 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 174 transitions. Word has length 34 [2024-11-09 11:56:28,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:28,688 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 174 transitions. [2024-11-09 11:56:28,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-09 11:56:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 174 transitions. [2024-11-09 11:56:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:56:28,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:28,689 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:28,706 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 11:56:28,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:28,890 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:28,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash -572106330, now seen corresponding path program 1 times [2024-11-09 11:56:28,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:28,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057082558] [2024-11-09 11:56:28,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:28,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:28,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473878705] [2024-11-09 11:56:28,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:28,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:28,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:28,903 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 11:56:28,907 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 11:56:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:28,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:29,054 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:29,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:29,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057082558] [2024-11-09 11:56:29,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:29,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473878705] [2024-11-09 11:56:29,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473878705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:29,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:29,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:56:29,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127890898] [2024-11-09 11:56:29,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:29,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:29,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:29,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:29,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:29,058 INFO L87 Difference]: Start difference. First operand 144 states and 174 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 11:56:29,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:29,131 INFO L93 Difference]: Finished difference Result 180 states and 213 transitions. [2024-11-09 11:56:29,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:29,132 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), 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 43 [2024-11-09 11:56:29,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:29,133 INFO L225 Difference]: With dead ends: 180 [2024-11-09 11:56:29,133 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 11:56:29,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:29,134 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 79 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:29,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:29,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 11:56:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 153. [2024-11-09 11:56:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 113 states have (on average 1.407079646017699) internal successors, (159), 134 states have internal predecessors, (159), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:56:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 187 transitions. [2024-11-09 11:56:29,149 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 187 transitions. Word has length 43 [2024-11-09 11:56:29,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:29,149 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 187 transitions. [2024-11-09 11:56:29,150 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), 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 11:56:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-11-09 11:56:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:56:29,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:29,152 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:29,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:29,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:29,353 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:29,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:29,353 INFO L85 PathProgramCache]: Analyzing trace with hash -555426994, now seen corresponding path program 1 times [2024-11-09 11:56:29,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:29,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176119287] [2024-11-09 11:56:29,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:29,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:29,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128322772] [2024-11-09 11:56:29,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:29,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:29,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:29,365 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 11:56:29,366 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 11:56:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:29,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:29,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:29,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:29,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:29,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176119287] [2024-11-09 11:56:29,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:29,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128322772] [2024-11-09 11:56:29,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128322772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:29,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:29,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:56:29,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858084675] [2024-11-09 11:56:29,922 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:29,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:29,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:29,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:29,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:29,923 INFO L87 Difference]: Start difference. First operand 153 states and 187 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 11:56:30,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:30,047 INFO L93 Difference]: Finished difference Result 260 states and 329 transitions. [2024-11-09 11:56:30,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:30,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 11:56:30,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:30,049 INFO L225 Difference]: With dead ends: 260 [2024-11-09 11:56:30,050 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 11:56:30,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 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 11:56:30,050 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 88 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:30,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 143 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 11:56:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 224. [2024-11-09 11:56:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 175 states have (on average 1.457142857142857) internal successors, (255), 196 states have internal predecessors, (255), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:56:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 301 transitions. [2024-11-09 11:56:30,065 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 301 transitions. Word has length 44 [2024-11-09 11:56:30,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:30,066 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 301 transitions. [2024-11-09 11:56:30,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 11:56:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 301 transitions. [2024-11-09 11:56:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:56:30,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:30,067 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, 1, 1, 1, 1] [2024-11-09 11:56:30,084 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 11:56:30,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:56:30,268 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:30,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2061591103, now seen corresponding path program 1 times [2024-11-09 11:56:30,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788297363] [2024-11-09 11:56:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:56:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,351 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 11:56:30,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788297363] [2024-11-09 11:56:30,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788297363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:30,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:30,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:30,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36375612] [2024-11-09 11:56:30,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:30,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:30,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:30,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:30,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:30,353 INFO L87 Difference]: Start difference. First operand 224 states and 301 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 11:56:30,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:30,419 INFO L93 Difference]: Finished difference Result 229 states and 305 transitions. [2024-11-09 11:56:30,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:30,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 49 [2024-11-09 11:56:30,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:30,421 INFO L225 Difference]: With dead ends: 229 [2024-11-09 11:56:30,421 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 11:56:30,422 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 11:56:30,422 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:30,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 123 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:30,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 11:56:30,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-09 11:56:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 161 states have (on average 1.4906832298136645) internal successors, (240), 182 states have internal predecessors, (240), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:56:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 282 transitions. [2024-11-09 11:56:30,434 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 282 transitions. Word has length 49 [2024-11-09 11:56:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:30,435 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 282 transitions. [2024-11-09 11:56:30,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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 11:56:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 282 transitions. [2024-11-09 11:56:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:56:30,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:30,436 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:30,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:56:30,436 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:30,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,437 INFO L85 PathProgramCache]: Analyzing trace with hash 183586240, now seen corresponding path program 1 times [2024-11-09 11:56:30,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811095223] [2024-11-09 11:56:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:30,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811095223] [2024-11-09 11:56:30,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811095223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:30,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284392794] [2024-11-09 11:56:30,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:30,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:30,510 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 11:56:30,512 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 11:56:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:30,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:30,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:30,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284392794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:30,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:30,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:56:30,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441435084] [2024-11-09 11:56:30,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:30,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:30,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:30,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:30,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:30,603 INFO L87 Difference]: Start difference. First operand 207 states and 282 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 11:56:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:30,682 INFO L93 Difference]: Finished difference Result 310 states and 431 transitions. [2024-11-09 11:56:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:30,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 51 [2024-11-09 11:56:30,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:30,684 INFO L225 Difference]: With dead ends: 310 [2024-11-09 11:56:30,685 INFO L226 Difference]: Without dead ends: 308 [2024-11-09 11:56:30,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 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 11:56:30,685 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 59 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:30,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 152 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:30,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-09 11:56:30,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 280. [2024-11-09 11:56:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 227 states have (on average 1.5110132158590308) internal successors, (343), 247 states have internal predecessors, (343), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 11:56:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 401 transitions. [2024-11-09 11:56:30,704 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 401 transitions. Word has length 51 [2024-11-09 11:56:30,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:30,704 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 401 transitions. [2024-11-09 11:56:30,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 11:56:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 401 transitions. [2024-11-09 11:56:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:56:30,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:30,705 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:30,728 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 11:56:30,905 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,SelfDestructingSolverStorable14 [2024-11-09 11:56:30,906 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:30,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1396204700, now seen corresponding path program 1 times [2024-11-09 11:56:30,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184750248] [2024-11-09 11:56:30,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:31,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:31,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184750248] [2024-11-09 11:56:31,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184750248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:31,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103094174] [2024-11-09 11:56:31,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:31,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:31,032 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 11:56:31,033 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 11:56:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:56:31,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:56:31,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:31,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103094174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:31,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:31,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-09 11:56:31,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866175256] [2024-11-09 11:56:31,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:31,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:31,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:31,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:31,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:56:31,195 INFO L87 Difference]: Start difference. First operand 280 states and 401 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:31,247 INFO L93 Difference]: Finished difference Result 280 states and 401 transitions. [2024-11-09 11:56:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:31,248 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-09 11:56:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:31,251 INFO L225 Difference]: With dead ends: 280 [2024-11-09 11:56:31,251 INFO L226 Difference]: Without dead ends: 279 [2024-11-09 11:56:31,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:56:31,252 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 62 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:31,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 187 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-09 11:56:31,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2024-11-09 11:56:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.4581497797356828) internal successors, (331), 246 states have internal predecessors, (331), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 11:56:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 389 transitions. [2024-11-09 11:56:31,269 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 389 transitions. Word has length 52 [2024-11-09 11:56:31,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:31,269 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 389 transitions. [2024-11-09 11:56:31,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 389 transitions. [2024-11-09 11:56:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:56:31,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:31,270 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:31,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:56:31,471 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,SelfDestructingSolverStorable15 [2024-11-09 11:56:31,471 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:31,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:31,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1396206206, now seen corresponding path program 1 times [2024-11-09 11:56:31,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:31,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326920803] [2024-11-09 11:56:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:31,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:31,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326920803] [2024-11-09 11:56:31,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326920803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:31,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787230889] [2024-11-09 11:56:31,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:31,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:31,535 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 11:56:31,536 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 11:56:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:31,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:31,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:31,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787230889] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:31,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:31,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:56:31,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112706448] [2024-11-09 11:56:31,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:31,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:31,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:31,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:31,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:31,695 INFO L87 Difference]: Start difference. First operand 279 states and 389 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 11:56:31,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:31,853 INFO L93 Difference]: Finished difference Result 464 states and 638 transitions. [2024-11-09 11:56:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:31,854 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 52 [2024-11-09 11:56:31,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:31,856 INFO L225 Difference]: With dead ends: 464 [2024-11-09 11:56:31,857 INFO L226 Difference]: Without dead ends: 462 [2024-11-09 11:56:31,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 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 11:56:31,858 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 184 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:31,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 257 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:31,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-09 11:56:31,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 403. [2024-11-09 11:56:31,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 335 states have (on average 1.462686567164179) internal successors, (490), 354 states have internal predecessors, (490), 45 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 580 transitions. [2024-11-09 11:56:31,881 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 580 transitions. Word has length 52 [2024-11-09 11:56:31,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:31,881 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 580 transitions. [2024-11-09 11:56:31,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 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 11:56:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 580 transitions. [2024-11-09 11:56:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:56:31,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:31,882 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:31,900 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 11:56:32,082 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,SelfDestructingSolverStorable16 [2024-11-09 11:56:32,083 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:32,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:32,083 INFO L85 PathProgramCache]: Analyzing trace with hash 332672817, now seen corresponding path program 1 times [2024-11-09 11:56:32,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:32,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281577857] [2024-11-09 11:56:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:32,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:32,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281577857] [2024-11-09 11:56:32,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281577857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:32,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53661815] [2024-11-09 11:56:32,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:32,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:32,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:32,178 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 11:56:32,179 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 11:56:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:56:32,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:56:32,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:32,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53661815] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:32,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:32,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 17 [2024-11-09 11:56:32,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742383873] [2024-11-09 11:56:32,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:32,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:56:32,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:32,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:56:32,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:56:32,429 INFO L87 Difference]: Start difference. First operand 403 states and 580 transitions. Second operand has 18 states, 17 states have (on average 4.235294117647059) internal successors, (72), 18 states have internal predecessors, (72), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-09 11:56:32,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:32,673 INFO L93 Difference]: Finished difference Result 609 states and 851 transitions. [2024-11-09 11:56:32,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:56:32,674 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.235294117647059) internal successors, (72), 18 states have internal predecessors, (72), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 53 [2024-11-09 11:56:32,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:32,676 INFO L225 Difference]: With dead ends: 609 [2024-11-09 11:56:32,676 INFO L226 Difference]: Without dead ends: 608 [2024-11-09 11:56:32,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:56:32,678 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 240 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:32,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 708 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:32,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-09 11:56:32,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 574. [2024-11-09 11:56:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 492 states have (on average 1.420731707317073) internal successors, (699), 511 states have internal predecessors, (699), 57 states have call successors, (57), 5 states have call predecessors, (57), 5 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 11:56:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 813 transitions. [2024-11-09 11:56:32,709 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 813 transitions. Word has length 53 [2024-11-09 11:56:32,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:32,710 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 813 transitions. [2024-11-09 11:56:32,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.235294117647059) internal successors, (72), 18 states have internal predecessors, (72), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-09 11:56:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 813 transitions. [2024-11-09 11:56:32,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 11:56:32,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:32,712 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:32,728 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 11:56:32,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:56:32,913 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:32,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:32,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1129175101, now seen corresponding path program 1 times [2024-11-09 11:56:32,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:32,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142318270] [2024-11-09 11:56:32,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:32,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:32,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829567069] [2024-11-09 11:56:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:32,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:32,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:32,935 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 11:56:32,937 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 11:56:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:32,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-09 11:56:33,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:33,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:33,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142318270] [2024-11-09 11:56:33,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:33,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829567069] [2024-11-09 11:56:33,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829567069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:33,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:33,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:33,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017556649] [2024-11-09 11:56:33,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:33,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:33,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:33,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:33,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:33,079 INFO L87 Difference]: Start difference. First operand 574 states and 813 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 11:56:33,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:33,148 INFO L93 Difference]: Finished difference Result 605 states and 862 transitions. [2024-11-09 11:56:33,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:33,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 58 [2024-11-09 11:56:33,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:33,151 INFO L225 Difference]: With dead ends: 605 [2024-11-09 11:56:33,151 INFO L226 Difference]: Without dead ends: 600 [2024-11-09 11:56:33,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 11:56:33,152 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 26 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:33,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 85 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:33,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-09 11:56:33,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 571. [2024-11-09 11:56:33,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 489 states have (on average 1.3803680981595092) internal successors, (675), 508 states have internal predecessors, (675), 57 states have call successors, (57), 5 states have call predecessors, (57), 5 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 11:56:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 789 transitions. [2024-11-09 11:56:33,181 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 789 transitions. Word has length 58 [2024-11-09 11:56:33,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:33,182 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 789 transitions. [2024-11-09 11:56:33,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 11:56:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 789 transitions. [2024-11-09 11:56:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:56:33,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:33,183 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:56:33,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:33,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:33,383 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:33,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:33,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1127241869, now seen corresponding path program 2 times [2024-11-09 11:56:33,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:33,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338346826] [2024-11-09 11:56:33,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:33,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:33,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338346826] [2024-11-09 11:56:33,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338346826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:33,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768011224] [2024-11-09 11:56:33,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:33,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:33,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:33,504 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 11:56:33,506 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 11:56:33,553 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:33,554 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:33,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:33,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:56:33,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:33,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768011224] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:33,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:33,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 11 [2024-11-09 11:56:33,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191123317] [2024-11-09 11:56:33,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:33,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:56:33,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:33,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:56:33,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:33,725 INFO L87 Difference]: Start difference. First operand 571 states and 789 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 11:56:33,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:33,825 INFO L93 Difference]: Finished difference Result 705 states and 956 transitions. [2024-11-09 11:56:33,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:56:33,826 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 70 [2024-11-09 11:56:33,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:33,828 INFO L225 Difference]: With dead ends: 705 [2024-11-09 11:56:33,828 INFO L226 Difference]: Without dead ends: 291 [2024-11-09 11:56:33,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 148 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:56:33,830 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 15 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:33,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 473 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:33,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-09 11:56:33,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-09 11:56:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 244 states have (on average 1.3360655737704918) internal successors, (326), 259 states have internal predecessors, (326), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 11:56:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 378 transitions. [2024-11-09 11:56:33,856 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 378 transitions. Word has length 70 [2024-11-09 11:56:33,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:33,856 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 378 transitions. [2024-11-09 11:56:33,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-09 11:56:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 378 transitions. [2024-11-09 11:56:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:56:33,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:33,858 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 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] [2024-11-09 11:56:33,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:34,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:34,059 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:34,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:34,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1801181730, now seen corresponding path program 1 times [2024-11-09 11:56:34,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:34,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739482595] [2024-11-09 11:56:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:56:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-09 11:56:34,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:34,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739482595] [2024-11-09 11:56:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739482595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:34,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:34,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:56:34,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982797530] [2024-11-09 11:56:34,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:34,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:34,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:34,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:34,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:34,148 INFO L87 Difference]: Start difference. First operand 291 states and 378 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:56:34,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:34,185 INFO L93 Difference]: Finished difference Result 317 states and 391 transitions. [2024-11-09 11:56:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:34,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 73 [2024-11-09 11:56:34,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:34,187 INFO L225 Difference]: With dead ends: 317 [2024-11-09 11:56:34,187 INFO L226 Difference]: Without dead ends: 183 [2024-11-09 11:56:34,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:34,188 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:34,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 245 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:34,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-09 11:56:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-09 11:56:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 148 states have (on average 1.277027027027027) internal successors, (189), 161 states have internal predecessors, (189), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:56:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 221 transitions. [2024-11-09 11:56:34,201 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 221 transitions. Word has length 73 [2024-11-09 11:56:34,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:34,201 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 221 transitions. [2024-11-09 11:56:34,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:56:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 221 transitions. [2024-11-09 11:56:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:56:34,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:34,203 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 11:56:34,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 11:56:34,203 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:34,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:34,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1248924324, now seen corresponding path program 1 times [2024-11-09 11:56:34,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:34,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952979674] [2024-11-09 11:56:34,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:56:34,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:34,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952979674] [2024-11-09 11:56:34,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952979674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:34,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:34,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889283420] [2024-11-09 11:56:34,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:34,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:34,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:34,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:34,274 INFO L87 Difference]: Start difference. First operand 183 states and 221 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 11:56:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:34,341 INFO L93 Difference]: Finished difference Result 183 states and 221 transitions. [2024-11-09 11:56:34,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:34,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 11:56:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:34,343 INFO L225 Difference]: With dead ends: 183 [2024-11-09 11:56:34,343 INFO L226 Difference]: Without dead ends: 182 [2024-11-09 11:56:34,343 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 11:56:34,344 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 2 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:34,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-09 11:56:34,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-09 11:56:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 148 states have (on average 1.2567567567567568) internal successors, (186), 160 states have internal predecessors, (186), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 11:56:34,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 218 transitions. [2024-11-09 11:56:34,355 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 218 transitions. Word has length 77 [2024-11-09 11:56:34,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:34,356 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 218 transitions. [2024-11-09 11:56:34,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 11:56:34,356 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 218 transitions. [2024-11-09 11:56:34,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:56:34,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:34,357 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, 1] [2024-11-09 11:56:34,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 11:56:34,357 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:34,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash 61948496, now seen corresponding path program 1 times [2024-11-09 11:56:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:34,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916678686] [2024-11-09 11:56:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:34,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:34,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916678686] [2024-11-09 11:56:34,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916678686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:34,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109159905] [2024-11-09 11:56:34,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:34,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:34,480 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 11:56:34,482 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 11:56:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:34,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:56:34,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:34,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109159905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:34,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:34,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 11 [2024-11-09 11:56:34,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172203344] [2024-11-09 11:56:34,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:34,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:56:34,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:34,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:56:34,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:34,614 INFO L87 Difference]: Start difference. First operand 182 states and 218 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:56:34,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:34,680 INFO L93 Difference]: Finished difference Result 182 states and 218 transitions. [2024-11-09 11:56:34,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:56:34,680 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 78 [2024-11-09 11:56:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:34,681 INFO L225 Difference]: With dead ends: 182 [2024-11-09 11:56:34,681 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:56:34,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:56:34,682 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 12 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:34,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 99 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:34,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:56:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:56:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:56:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:56:34,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2024-11-09 11:56:34,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:34,695 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:56:34,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:56:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:56:34,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:56:34,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-09 11:56:34,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-09 11:56:34,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-09 11:56:34,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-09 11:56:34,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-09 11:56:34,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-09 11:56:34,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-09 11:56:34,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-09 11:56:34,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-09 11:56:34,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-09 11:56:34,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-09 11:56:34,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-09 11:56:34,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-09 11:56:34,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-09 11:56:34,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-09 11:56:34,700 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-09 11:56:34,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-09 11:56:34,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-09 11:56:34,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-09 11:56:34,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-09 11:56:34,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-09 11:56:34,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-09 11:56:34,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-09 11:56:34,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-09 11:56:34,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-09 11:56:34,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-09 11:56:34,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-09 11:56:34,702 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-09 11:56:34,719 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 11:56:34,906 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 11:56:34,909 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:34,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:56:35,187 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:56:35,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:56:35 BoogieIcfgContainer [2024-11-09 11:56:35,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:56:35,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:56:35,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:56:35,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:56:35,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:24" (3/4) ... [2024-11-09 11:56:35,219 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:56:35,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 11:56:35,228 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 11:56:35,230 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 11:56:35,230 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:56:35,230 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:56:35,230 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:56:35,329 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:56:35,330 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:56:35,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:56:35,331 INFO L158 Benchmark]: Toolchain (without parser) took 12136.59ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 111.5MB in the beginning and 159.4MB in the end (delta: -47.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-09 11:56:35,331 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 167.8MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:56:35,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.70ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 98.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:56:35,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.59ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 96.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:56:35,332 INFO L158 Benchmark]: Boogie Preprocessor took 61.31ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 95.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:56:35,333 INFO L158 Benchmark]: RCFGBuilder took 466.61ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 78.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 11:56:35,333 INFO L158 Benchmark]: TraceAbstraction took 11154.69ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 77.5MB in the beginning and 164.7MB in the end (delta: -87.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:56:35,333 INFO L158 Benchmark]: Witness Printer took 114.26ms. Allocated memory is still 226.5MB. Free memory was 164.7MB in the beginning and 159.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:56:35,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 167.8MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.70ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 98.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.59ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 96.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.31ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 95.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.61ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 78.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11154.69ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 77.5MB in the beginning and 164.7MB in the end (delta: -87.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.26ms. Allocated memory is still 226.5MB. Free memory was 164.7MB in the beginning and 159.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 23, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1174 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1133 mSDsluCounter, 5230 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3670 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1348 IncrementalHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 1560 mSDtfsCounter, 1348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1165 GetRequests, 1011 SyntacticMatches, 9 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=574occurred in iteration=18, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 293 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1659 NumberOfCodeBlocks, 1659 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1610 ConstructedInterpolants, 0 QuantifiedInterpolants, 4054 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1851 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 36 InterpolantComputations, 18 PerfectInterpolantSequences, 1840/1993 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((d == 1) && (p == 1)) && (r <= 2147483647)) && (q == 0)) && (counter == 0)) && (B == 1)) && (0 <= (r + 2147483648))) || (((((((r <= 2147483647) && (2 == p)) && (q == 0)) && (counter == 1)) && (B == 1)) && (2 == d)) && (0 <= (r + 2147483648)))) || ((((((((r <= 2147483647) && (d <= 536870911)) && (2 <= p)) && (2 <= d)) && (q == 0)) && (B == 1)) && (counter == 2)) && (0 <= (r + 2147483648)))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((((((((((counter == 3) && (d <= 1073741823)) && (r <= 2147483647)) && (2 <= p)) && (2 <= d)) && (q == 0)) && (B == 1)) && (0 <= (r + 2147483648))) || (((((((r <= 2147483647) && (2 == p)) && (q == 0)) && (B == 1)) && (2 == d)) && (counter == 2)) && (0 <= (r + 2147483648)))) || (((((((d == 1) && (p == 1)) && (q == 0)) && (r <= 0)) && (counter == 1)) && (B == 1)) && (0 <= (r + 2147483648)))) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:56:35,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE