./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.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/cohendiv-ll_valuebound10.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 881c8a19bc7d985c1c357993fa89c98038c14e3d30b81b5db0457e690440ac95 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:37:26,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:37:26,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:37:26,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:37:26,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:37:26,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:37:26,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:37:26,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:37:26,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:37:26,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:37:26,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:37:26,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:37:26,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:37:26,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:37:26,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:37:26,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:37:26,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:37:26,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:37:26,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:37:26,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:37:26,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:37:26,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:37:26,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:37:26,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:37:26,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:37:26,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:37:26,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:37:26,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:37:26,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:37:26,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:37:26,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:37:26,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:37:26,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:37:26,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:37:26,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:37:26,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:37:26,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:37:26,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:37:26,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:37:26,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:37:26,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:37:26,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:37:26,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:37:26,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:37:26,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 881c8a19bc7d985c1c357993fa89c98038c14e3d30b81b5db0457e690440ac95 [2024-11-09 11:37:27,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:37:27,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:37:27,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:37:27,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:37:27,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:37:27,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-11-09 11:37:28,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:37:28,478 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:37:28,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-11-09 11:37:28,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af26f99d0/95aef8763003476b914b4e1681e4f428/FLAG621b04602 [2024-11-09 11:37:28,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af26f99d0/95aef8763003476b914b4e1681e4f428 [2024-11-09 11:37:28,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:37:28,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:37:28,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:37:28,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:37:28,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:37:28,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:37:28" (1/1) ... [2024-11-09 11:37:28,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb94196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:28, skipping insertion in model container [2024-11-09 11:37:28,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:37:28" (1/1) ... [2024-11-09 11:37:28,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:37:29,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:37:29,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:37:29,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:37:29,129 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:37:29,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29 WrapperNode [2024-11-09 11:37:29,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:37:29,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:37:29,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:37:29,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:37:29,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,157 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2024-11-09 11:37:29,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:37:29,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:37:29,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:37:29,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:37:29,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,180 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:37:29,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:37:29,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:37:29,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:37:29,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:37:29,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (1/1) ... [2024-11-09 11:37:29,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:37:29,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:29,219 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 11:37:29,221 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 11:37:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:37:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:37:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:37:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:37:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:37:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:37:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:37:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:37:29,305 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:37:29,307 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:37:29,604 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-09 11:37:29,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:37:29,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:37:29,617 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:37:29,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:37:29 BoogieIcfgContainer [2024-11-09 11:37:29,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:37:29,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:37:29,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:37:29,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:37:29,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:37:28" (1/3) ... [2024-11-09 11:37:29,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7e4df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:37:29, skipping insertion in model container [2024-11-09 11:37:29,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:37:29" (2/3) ... [2024-11-09 11:37:29,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7e4df5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:37:29, skipping insertion in model container [2024-11-09 11:37:29,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:37:29" (3/3) ... [2024-11-09 11:37:29,624 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound10.c [2024-11-09 11:37:29,637 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:37:29,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-09 11:37:29,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:37:29,694 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;@5e707581, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:37:29,694 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-09 11:37:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 79 states have internal predecessors, (87), 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 11:37:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 11:37:29,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:29,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:29,704 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:29,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:29,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1983182931, now seen corresponding path program 1 times [2024-11-09 11:37:29,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:29,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789113114] [2024-11-09 11:37:29,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:29,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:29,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:29,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:29,851 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 11:37:29,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:29,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789113114] [2024-11-09 11:37:29,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789113114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:29,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:29,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:37:29,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527063496] [2024-11-09 11:37:29,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:29,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:37:29,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:29,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:37:29,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:37:29,876 INFO L87 Difference]: Start difference. First operand has 92 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 79 states have internal predecessors, (87), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:37:29,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:29,894 INFO L93 Difference]: Finished difference Result 180 states and 219 transitions. [2024-11-09 11:37:29,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:37:29,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-09 11:37:29,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:29,901 INFO L225 Difference]: With dead ends: 180 [2024-11-09 11:37:29,902 INFO L226 Difference]: Without dead ends: 85 [2024-11-09 11:37:29,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:37:29,907 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:29,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:37:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-09 11:37:29,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-09 11:37:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 73 states have internal predecessors, (75), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:37:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2024-11-09 11:37:29,937 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 21 [2024-11-09 11:37:29,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:29,937 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2024-11-09 11:37:29,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:37:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2024-11-09 11:37:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 11:37:29,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:29,939 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:29,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:37:29,940 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:29,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:29,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1153157909, now seen corresponding path program 1 times [2024-11-09 11:37:29,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:29,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171223339] [2024-11-09 11:37:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:29,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:29,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206103613] [2024-11-09 11:37:29,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:29,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:29,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:29,969 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 11:37:29,969 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 11:37:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:30,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:37:30,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:30,054 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 11:37:30,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:37:30,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171223339] [2024-11-09 11:37:30,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:30,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206103613] [2024-11-09 11:37:30,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206103613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:30,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:30,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:37:30,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187426301] [2024-11-09 11:37:30,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:30,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:37:30,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:30,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:37:30,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:37:30,062 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (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 11:37:30,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:30,176 INFO L93 Difference]: Finished difference Result 109 states and 119 transitions. [2024-11-09 11:37:30,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:37:30,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (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 21 [2024-11-09 11:37:30,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:30,177 INFO L225 Difference]: With dead ends: 109 [2024-11-09 11:37:30,178 INFO L226 Difference]: Without dead ends: 107 [2024-11-09 11:37:30,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 11:37:30,179 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 18 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:30,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:37:30,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-09 11:37:30,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 88. [2024-11-09 11:37:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.6595744680851063) internal successors, (78), 76 states have internal predecessors, (78), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:37:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-09 11:37:30,196 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 21 [2024-11-09 11:37:30,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:30,196 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-09 11:37:30,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (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 11:37:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-09 11:37:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 11:37:30,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:30,197 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:30,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:37:30,404 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 11:37:30,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:30,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:30,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1796725672, now seen corresponding path program 1 times [2024-11-09 11:37:30,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:30,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256494822] [2024-11-09 11:37:30,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:30,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:30,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236145412] [2024-11-09 11:37:30,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:30,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:30,433 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 11:37:30,435 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 11:37:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:30,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:37:30,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:30,501 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 11:37:30,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:37:30,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:30,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256494822] [2024-11-09 11:37:30,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:30,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236145412] [2024-11-09 11:37:30,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236145412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:30,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:30,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:37:30,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560776398] [2024-11-09 11:37:30,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:30,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:37:30,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:37:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:37:30,504 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 11:37:30,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:30,607 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2024-11-09 11:37:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:37:30,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 28 [2024-11-09 11:37:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:30,609 INFO L225 Difference]: With dead ends: 145 [2024-11-09 11:37:30,609 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 11:37:30,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 11:37:30,611 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 45 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:30,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 136 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:37:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 11:37:30,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 119. [2024-11-09 11:37:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.6805555555555556) internal successors, (121), 101 states have internal predecessors, (121), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:37:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 151 transitions. [2024-11-09 11:37:30,621 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 151 transitions. Word has length 28 [2024-11-09 11:37:30,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:30,622 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 151 transitions. [2024-11-09 11:37:30,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 11:37:30,622 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2024-11-09 11:37:30,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:37:30,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:30,623 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] [2024-11-09 11:37:30,635 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 11:37:30,825 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,SelfDestructingSolverStorable2 [2024-11-09 11:37:30,825 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:30,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:30,826 INFO L85 PathProgramCache]: Analyzing trace with hash -76516038, now seen corresponding path program 1 times [2024-11-09 11:37:30,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:30,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992901444] [2024-11-09 11:37:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:30,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:31,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:31,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:31,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:31,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:37:31,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:31,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992901444] [2024-11-09 11:37:31,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992901444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:31,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775014099] [2024-11-09 11:37:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:31,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:31,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:31,087 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 11:37:31,088 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 11:37:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:31,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:37:31,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:31,249 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 11:37:31,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:37:31,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775014099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:31,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:31,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:37:31,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750666287] [2024-11-09 11:37:31,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:31,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:31,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:31,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:31,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:37:31,254 INFO L87 Difference]: Start difference. First operand 119 states and 151 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 11:37:31,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:31,396 INFO L93 Difference]: Finished difference Result 138 states and 158 transitions. [2024-11-09 11:37:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:37:31,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 30 [2024-11-09 11:37:31,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:31,399 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:37:31,400 INFO L226 Difference]: Without dead ends: 135 [2024-11-09 11:37:31,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:37:31,401 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 155 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:31,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:37:31,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-09 11:37:31,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 120. [2024-11-09 11:37:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.643835616438356) internal successors, (120), 102 states have internal predecessors, (120), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:37:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-09 11:37:31,413 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 30 [2024-11-09 11:37:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:31,414 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-09 11:37:31,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 11:37:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-09 11:37:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:37:31,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:31,416 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 11:37:31,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:37:31,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:31,620 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:31,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:31,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1922970177, now seen corresponding path program 1 times [2024-11-09 11:37:31,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:31,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557895256] [2024-11-09 11:37:31,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:31,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56807955] [2024-11-09 11:37:31,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:31,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:31,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:31,641 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 11:37:31,644 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 11:37:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:31,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:37:31,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:31,754 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 11:37:31,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:37:31,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:31,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557895256] [2024-11-09 11:37:31,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:31,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56807955] [2024-11-09 11:37:31,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56807955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:31,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:31,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:37:31,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997204679] [2024-11-09 11:37:31,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:31,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:31,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:31,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:31,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:31,757 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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 11:37:31,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:31,924 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2024-11-09 11:37:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:37:31,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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 31 [2024-11-09 11:37:31,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:31,925 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:37:31,925 INFO L226 Difference]: Without dead ends: 131 [2024-11-09 11:37:31,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 11:37:31,926 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 151 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:31,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:37:31,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-09 11:37:31,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 117. [2024-11-09 11:37:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.6285714285714286) internal successors, (114), 99 states have internal predecessors, (114), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-09 11:37:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 144 transitions. [2024-11-09 11:37:31,935 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 144 transitions. Word has length 31 [2024-11-09 11:37:31,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:31,935 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 144 transitions. [2024-11-09 11:37:31,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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 11:37:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 144 transitions. [2024-11-09 11:37:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:37:31,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:31,936 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, 1, 1, 1, 1, 1] [2024-11-09 11:37:31,949 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 11:37:32,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:32,141 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:32,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1457275482, now seen corresponding path program 1 times [2024-11-09 11:37:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:32,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99217084] [2024-11-09 11:37:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:32,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:32,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [768808579] [2024-11-09 11:37:32,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:32,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:32,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:32,159 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 11:37:32,160 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 11:37:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:32,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:37:32,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:37:32,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:37:32,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:32,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99217084] [2024-11-09 11:37:32,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:32,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768808579] [2024-11-09 11:37:32,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768808579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:32,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:32,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:37:32,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096594128] [2024-11-09 11:37:32,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:32,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:32,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:32,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:32,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:32,232 INFO L87 Difference]: Start difference. First operand 117 states and 144 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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 11:37:32,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:32,418 INFO L93 Difference]: Finished difference Result 184 states and 252 transitions. [2024-11-09 11:37:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:37:32,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2024-11-09 11:37:32,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:32,420 INFO L225 Difference]: With dead ends: 184 [2024-11-09 11:37:32,420 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 11:37:32,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:32,421 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 74 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:32,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 105 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:37:32,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 11:37:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 163. [2024-11-09 11:37:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.6111111111111112) internal successors, (174), 137 states have internal predecessors, (174), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2024-11-09 11:37:32,453 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 39 [2024-11-09 11:37:32,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:32,453 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2024-11-09 11:37:32,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (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 11:37:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2024-11-09 11:37:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:37:32,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:32,454 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, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:32,467 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 11:37:32,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:32,655 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:32,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:32,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2069100392, now seen corresponding path program 1 times [2024-11-09 11:37:32,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:32,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047863033] [2024-11-09 11:37:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:32,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1360908042] [2024-11-09 11:37:32,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:32,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:32,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:32,666 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 11:37:32,667 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 11:37:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:32,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:37:32,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:37:32,752 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:37:32,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:32,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047863033] [2024-11-09 11:37:32,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:32,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360908042] [2024-11-09 11:37:32,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360908042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:32,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:32,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:37:32,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132494937] [2024-11-09 11:37:32,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:32,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:32,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:32,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:32,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:32,754 INFO L87 Difference]: Start difference. First operand 163 states and 220 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 11:37:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:32,951 INFO L93 Difference]: Finished difference Result 182 states and 243 transitions. [2024-11-09 11:37:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:37:32,952 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 40 [2024-11-09 11:37:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:32,953 INFO L225 Difference]: With dead ends: 182 [2024-11-09 11:37:32,953 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 11:37:32,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 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 11:37:32,954 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 99 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:32,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 86 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:37:32,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 11:37:32,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 164. [2024-11-09 11:37:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 138 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:32,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 217 transitions. [2024-11-09 11:37:32,977 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 217 transitions. Word has length 40 [2024-11-09 11:37:32,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:32,977 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 217 transitions. [2024-11-09 11:37:32,978 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 11:37:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 217 transitions. [2024-11-09 11:37:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:37:32,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:32,978 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:32,992 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 11:37:33,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:33,179 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:33,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:33,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1433210023, now seen corresponding path program 1 times [2024-11-09 11:37:33,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:33,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539832206] [2024-11-09 11:37:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:33,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:37:33,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:33,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539832206] [2024-11-09 11:37:33,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539832206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:33,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:33,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:37:33,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160708387] [2024-11-09 11:37:33,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:33,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:33,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:33,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:33,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:33,278 INFO L87 Difference]: Start difference. First operand 164 states and 217 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:37:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:33,656 INFO L93 Difference]: Finished difference Result 197 states and 246 transitions. [2024-11-09 11:37:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:37:33,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 60 [2024-11-09 11:37:33,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:33,658 INFO L225 Difference]: With dead ends: 197 [2024-11-09 11:37:33,658 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 11:37:33,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 11:37:33,658 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 114 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:33,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 93 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:37:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 11:37:33,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 166. [2024-11-09 11:37:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 111 states have (on average 1.5405405405405406) internal successors, (171), 140 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 217 transitions. [2024-11-09 11:37:33,667 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 217 transitions. Word has length 60 [2024-11-09 11:37:33,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:33,668 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 217 transitions. [2024-11-09 11:37:33,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:37:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 217 transitions. [2024-11-09 11:37:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:37:33,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:33,669 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:33,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:37:33,669 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:33,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:33,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1479837660, now seen corresponding path program 1 times [2024-11-09 11:37:33,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:33,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646969200] [2024-11-09 11:37:33,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:33,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,740 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:37:33,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:33,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646969200] [2024-11-09 11:37:33,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646969200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:33,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:33,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:37:33,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607026472] [2024-11-09 11:37:33,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:33,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:33,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:33,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:33,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:33,742 INFO L87 Difference]: Start difference. First operand 166 states and 217 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:37:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:33,859 INFO L93 Difference]: Finished difference Result 197 states and 242 transitions. [2024-11-09 11:37:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:37:33,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 61 [2024-11-09 11:37:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:33,860 INFO L225 Difference]: With dead ends: 197 [2024-11-09 11:37:33,860 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 11:37:33,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 11:37:33,861 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 111 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:33,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 95 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:37:33,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 11:37:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 168. [2024-11-09 11:37:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.5132743362831858) internal successors, (171), 142 states have internal predecessors, (171), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 217 transitions. [2024-11-09 11:37:33,870 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 217 transitions. Word has length 61 [2024-11-09 11:37:33,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:33,871 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 217 transitions. [2024-11-09 11:37:33,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:37:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 217 transitions. [2024-11-09 11:37:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:37:33,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:33,872 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:33,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:37:33,873 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:33,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:33,874 INFO L85 PathProgramCache]: Analyzing trace with hash -489813188, now seen corresponding path program 1 times [2024-11-09 11:37:33,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:33,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794377777] [2024-11-09 11:37:33,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:33,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:37:33,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:33,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794377777] [2024-11-09 11:37:33,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794377777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:33,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:33,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:37:33,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937858885] [2024-11-09 11:37:33,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:33,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:37:33,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:33,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:37:33,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:37:33,953 INFO L87 Difference]: Start difference. First operand 168 states and 217 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:37:33,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:33,995 INFO L93 Difference]: Finished difference Result 173 states and 217 transitions. [2024-11-09 11:37:33,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:37:33,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2024-11-09 11:37:33,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:33,997 INFO L225 Difference]: With dead ends: 173 [2024-11-09 11:37:33,998 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 11:37:33,998 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 11:37:33,998 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:33,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 144 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:37:33,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 11:37:34,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2024-11-09 11:37:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 113 states have (on average 1.5044247787610618) internal successors, (170), 142 states have internal predecessors, (170), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 216 transitions. [2024-11-09 11:37:34,007 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 216 transitions. Word has length 63 [2024-11-09 11:37:34,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:34,008 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 216 transitions. [2024-11-09 11:37:34,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:37:34,008 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2024-11-09 11:37:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:37:34,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:34,010 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:34,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:37:34,010 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:34,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:34,010 INFO L85 PathProgramCache]: Analyzing trace with hash -489813146, now seen corresponding path program 1 times [2024-11-09 11:37:34,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:34,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442800653] [2024-11-09 11:37:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:34,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 11:37:34,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:34,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442800653] [2024-11-09 11:37:34,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442800653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:34,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166897695] [2024-11-09 11:37:34,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:34,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:34,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:34,132 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 11:37:34,136 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 11:37:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:37:34,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 11:37:34,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-09 11:37:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166897695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:37:34,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:37:34,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 11:37:34,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041074434] [2024-11-09 11:37:34,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:34,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:37:34,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:34,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:37:34,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:37:34,359 INFO L87 Difference]: Start difference. First operand 168 states and 216 transitions. Second operand has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 11:37:34,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:34,472 INFO L93 Difference]: Finished difference Result 168 states and 216 transitions. [2024-11-09 11:37:34,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:37:34,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 63 [2024-11-09 11:37:34,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:34,474 INFO L225 Difference]: With dead ends: 168 [2024-11-09 11:37:34,474 INFO L226 Difference]: Without dead ends: 166 [2024-11-09 11:37:34,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:37:34,474 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 27 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:34,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 180 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:37:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-09 11:37:34,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-09 11:37:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 113 states have (on average 1.4336283185840708) internal successors, (162), 140 states have internal predecessors, (162), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 208 transitions. [2024-11-09 11:37:34,482 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 208 transitions. Word has length 63 [2024-11-09 11:37:34,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:34,482 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 208 transitions. [2024-11-09 11:37:34,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.571428571428571) internal successors, (74), 8 states have internal predecessors, (74), 4 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-09 11:37:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2024-11-09 11:37:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:37:34,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:34,483 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:34,496 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 11:37:34,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:34,685 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:34,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:34,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1995660478, now seen corresponding path program 1 times [2024-11-09 11:37:34,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:34,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776153305] [2024-11-09 11:37:34,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:34,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,752 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:37:34,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:34,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776153305] [2024-11-09 11:37:34,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776153305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:34,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:34,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:37:34,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845861570] [2024-11-09 11:37:34,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:34,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:37:34,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:34,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:37:34,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:37:34,754 INFO L87 Difference]: Start difference. First operand 166 states and 208 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:37:34,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:34,813 INFO L93 Difference]: Finished difference Result 166 states and 208 transitions. [2024-11-09 11:37:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:37:34,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 64 [2024-11-09 11:37:34,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:34,814 INFO L225 Difference]: With dead ends: 166 [2024-11-09 11:37:34,814 INFO L226 Difference]: Without dead ends: 165 [2024-11-09 11:37:34,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 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 11:37:34,815 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 100 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:34,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 163 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:37:34,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-09 11:37:34,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-11-09 11:37:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 113 states have (on average 1.415929203539823) internal successors, (160), 139 states have internal predecessors, (160), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 206 transitions. [2024-11-09 11:37:34,823 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 206 transitions. Word has length 64 [2024-11-09 11:37:34,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:34,823 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 206 transitions. [2024-11-09 11:37:34,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:37:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 206 transitions. [2024-11-09 11:37:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:37:34,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:34,824 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:34,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:37:34,825 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:34,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:34,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1735932798, now seen corresponding path program 1 times [2024-11-09 11:37:34,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:34,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715748359] [2024-11-09 11:37:34,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:34,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:37:34,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:34,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715748359] [2024-11-09 11:37:34,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715748359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:34,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:34,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:37:34,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186691127] [2024-11-09 11:37:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:34,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:34,876 INFO L87 Difference]: Start difference. First operand 165 states and 206 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:37:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:35,030 INFO L93 Difference]: Finished difference Result 186 states and 219 transitions. [2024-11-09 11:37:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:37:35,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-09 11:37:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:35,032 INFO L225 Difference]: With dead ends: 186 [2024-11-09 11:37:35,033 INFO L226 Difference]: Without dead ends: 184 [2024-11-09 11:37:35,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 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 11:37:35,034 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 48 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:35,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 150 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:37:35,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-09 11:37:35,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2024-11-09 11:37:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 143 states have internal predecessors, (164), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:37:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 210 transitions. [2024-11-09 11:37:35,041 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 210 transitions. Word has length 65 [2024-11-09 11:37:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:35,041 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 210 transitions. [2024-11-09 11:37:35,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:37:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 210 transitions. [2024-11-09 11:37:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:37:35,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:35,042 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:35,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 11:37:35,042 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:35,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:35,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1205477451, now seen corresponding path program 1 times [2024-11-09 11:37:35,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:35,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479304543] [2024-11-09 11:37:35,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:35,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:35,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1892976117] [2024-11-09 11:37:35,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:35,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:35,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:35,058 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 11:37:35,059 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 11:37:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:35,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:37:35,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 11:37:35,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:35,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:35,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479304543] [2024-11-09 11:37:35,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:35,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892976117] [2024-11-09 11:37:35,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892976117] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:35,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:37:35,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628968460] [2024-11-09 11:37:35,512 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:35,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:37:35,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:35,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:37:35,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:37:35,513 INFO L87 Difference]: Start difference. First operand 169 states and 210 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:35,918 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2024-11-09 11:37:35,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:37:35,919 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 75 [2024-11-09 11:37:35,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:35,921 INFO L225 Difference]: With dead ends: 264 [2024-11-09 11:37:35,921 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 11:37:35,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:37:35,922 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 300 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:35,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 320 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:37:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 11:37:35,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 235. [2024-11-09 11:37:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 199 states have internal predecessors, (243), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:37:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 309 transitions. [2024-11-09 11:37:35,935 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 309 transitions. Word has length 75 [2024-11-09 11:37:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:35,935 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 309 transitions. [2024-11-09 11:37:35,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 309 transitions. [2024-11-09 11:37:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 11:37:35,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:35,936 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:35,950 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 11:37:36,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:37:36,141 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:36,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:36,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1284904628, now seen corresponding path program 1 times [2024-11-09 11:37:36,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:36,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208536492] [2024-11-09 11:37:36,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:36,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:36,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622075556] [2024-11-09 11:37:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:36,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:36,152 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 11:37:36,154 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 11:37:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:36,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:37:36,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 11:37:36,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:37,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:37,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208536492] [2024-11-09 11:37:37,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:37,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622075556] [2024-11-09 11:37:37,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622075556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:37,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:37,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:37:37,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340783358] [2024-11-09 11:37:37,302 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:37,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:37:37,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:37,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:37:37,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:37:37,306 INFO L87 Difference]: Start difference. First operand 235 states and 309 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:37,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:37,787 INFO L93 Difference]: Finished difference Result 322 states and 412 transitions. [2024-11-09 11:37:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:37:37,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 76 [2024-11-09 11:37:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:37,789 INFO L225 Difference]: With dead ends: 322 [2024-11-09 11:37:37,789 INFO L226 Difference]: Without dead ends: 319 [2024-11-09 11:37:37,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:37:37,790 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 246 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:37,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 383 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:37:37,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-09 11:37:37,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 291. [2024-11-09 11:37:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 219 states have (on average 1.3926940639269407) internal successors, (305), 245 states have internal predecessors, (305), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 11:37:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 391 transitions. [2024-11-09 11:37:37,803 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 391 transitions. Word has length 76 [2024-11-09 11:37:37,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:37,804 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 391 transitions. [2024-11-09 11:37:37,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 391 transitions. [2024-11-09 11:37:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:37:37,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:37,805 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:37,818 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 11:37:38,005 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 11:37:38,005 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:38,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:38,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1177337747, now seen corresponding path program 1 times [2024-11-09 11:37:38,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:38,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977341309] [2024-11-09 11:37:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:38,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 11:37:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 11:37:38,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:38,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977341309] [2024-11-09 11:37:38,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977341309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:38,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:38,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:37:38,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149335275] [2024-11-09 11:37:38,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:38,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:37:38,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:38,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:37:38,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:37:38,116 INFO L87 Difference]: Start difference. First operand 291 states and 391 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:37:38,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:38,938 INFO L93 Difference]: Finished difference Result 422 states and 571 transitions. [2024-11-09 11:37:38,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:37:38,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2024-11-09 11:37:38,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:38,940 INFO L225 Difference]: With dead ends: 422 [2024-11-09 11:37:38,940 INFO L226 Difference]: Without dead ends: 419 [2024-11-09 11:37:38,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:37:38,941 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 127 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:38,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 208 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:37:38,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-09 11:37:38,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 297. [2024-11-09 11:37:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 225 states have (on average 1.36) internal successors, (306), 249 states have internal predecessors, (306), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:37:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 396 transitions. [2024-11-09 11:37:38,963 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 396 transitions. Word has length 77 [2024-11-09 11:37:38,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:38,963 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 396 transitions. [2024-11-09 11:37:38,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:37:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 396 transitions. [2024-11-09 11:37:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:37:38,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:38,964 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:38,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:37:38,964 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:38,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:38,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1121698510, now seen corresponding path program 1 times [2024-11-09 11:37:38,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:38,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364053815] [2024-11-09 11:37:38,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:38,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:38,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594813811] [2024-11-09 11:37:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:38,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:38,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:38,978 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 11:37:38,983 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 11:37:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:39,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:37:39,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 11:37:39,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:39,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:39,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364053815] [2024-11-09 11:37:39,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:39,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594813811] [2024-11-09 11:37:39,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594813811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:39,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:39,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:37:39,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086791692] [2024-11-09 11:37:39,216 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:39,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:37:39,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:39,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:37:39,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:37:39,217 INFO L87 Difference]: Start difference. First operand 297 states and 396 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:37:39,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:39,415 INFO L93 Difference]: Finished difference Result 308 states and 415 transitions. [2024-11-09 11:37:39,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:37:39,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2024-11-09 11:37:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:39,417 INFO L225 Difference]: With dead ends: 308 [2024-11-09 11:37:39,417 INFO L226 Difference]: Without dead ends: 304 [2024-11-09 11:37:39,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:37:39,418 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 70 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:39,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 216 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:37:39,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-09 11:37:39,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 293. [2024-11-09 11:37:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 225 states have (on average 1.3288888888888888) internal successors, (299), 245 states have internal predecessors, (299), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:37:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 389 transitions. [2024-11-09 11:37:39,433 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 389 transitions. Word has length 77 [2024-11-09 11:37:39,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:39,433 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 389 transitions. [2024-11-09 11:37:39,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 11:37:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 389 transitions. [2024-11-09 11:37:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:37:39,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:39,434 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:39,449 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 11:37:39,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:37:39,635 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:39,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:39,635 INFO L85 PathProgramCache]: Analyzing trace with hash -2137731730, now seen corresponding path program 1 times [2024-11-09 11:37:39,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:39,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481120497] [2024-11-09 11:37:39,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:39,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:39,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1176457070] [2024-11-09 11:37:39,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:39,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:39,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:39,646 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 11:37:39,647 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 11:37:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:39,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:37:39,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 11:37:39,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:40,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:40,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481120497] [2024-11-09 11:37:40,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:40,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176457070] [2024-11-09 11:37:40,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176457070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:40,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:40,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:37:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045513942] [2024-11-09 11:37:40,612 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:40,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:37:40,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:40,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:37:40,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:37:40,613 INFO L87 Difference]: Start difference. First operand 293 states and 389 transitions. Second operand has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:41,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:41,072 INFO L93 Difference]: Finished difference Result 316 states and 399 transitions. [2024-11-09 11:37:41,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:37:41,073 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 78 [2024-11-09 11:37:41,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:41,074 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:37:41,074 INFO L226 Difference]: Without dead ends: 309 [2024-11-09 11:37:41,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:37:41,076 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 258 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:41,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 344 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:37:41,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-09 11:37:41,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 291. [2024-11-09 11:37:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 223 states have (on average 1.3139013452914798) internal successors, (293), 243 states have internal predecessors, (293), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:37:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 383 transitions. [2024-11-09 11:37:41,091 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 383 transitions. Word has length 78 [2024-11-09 11:37:41,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:41,091 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 383 transitions. [2024-11-09 11:37:41,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.2) internal successors, (42), 11 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 383 transitions. [2024-11-09 11:37:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:37:41,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:41,096 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:41,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:37:41,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:37:41,298 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:41,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:41,298 INFO L85 PathProgramCache]: Analyzing trace with hash -412915364, now seen corresponding path program 1 times [2024-11-09 11:37:41,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:41,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704680372] [2024-11-09 11:37:41,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:41,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:41,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1238616601] [2024-11-09 11:37:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:41,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:41,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:41,312 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 11:37:41,314 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 11:37:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:41,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:37:41,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:41,551 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 11:37:41,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:41,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:41,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704680372] [2024-11-09 11:37:41,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:41,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238616601] [2024-11-09 11:37:41,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238616601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:41,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:41,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:37:41,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593380864] [2024-11-09 11:37:41,792 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:41,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:37:41,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:37:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:37:41,793 INFO L87 Difference]: Start difference. First operand 291 states and 383 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:42,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:42,302 INFO L93 Difference]: Finished difference Result 586 states and 805 transitions. [2024-11-09 11:37:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:37:42,305 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 78 [2024-11-09 11:37:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:42,307 INFO L225 Difference]: With dead ends: 586 [2024-11-09 11:37:42,308 INFO L226 Difference]: Without dead ends: 582 [2024-11-09 11:37:42,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:37:42,308 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 370 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:42,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 367 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:37:42,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-09 11:37:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 465. [2024-11-09 11:37:42,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 367 states have (on average 1.3106267029972751) internal successors, (481), 387 states have internal predecessors, (481), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:37:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 631 transitions. [2024-11-09 11:37:42,340 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 631 transitions. Word has length 78 [2024-11-09 11:37:42,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:42,340 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 631 transitions. [2024-11-09 11:37:42,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-09 11:37:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 631 transitions. [2024-11-09 11:37:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 11:37:42,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:42,342 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:42,355 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 11:37:42,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:42,543 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:42,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:42,543 INFO L85 PathProgramCache]: Analyzing trace with hash -11934899, now seen corresponding path program 1 times [2024-11-09 11:37:42,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:42,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59942457] [2024-11-09 11:37:42,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:42,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:37:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:37:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:37:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:37:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:42,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:42,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59942457] [2024-11-09 11:37:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59942457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:42,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591807943] [2024-11-09 11:37:42,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:42,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:42,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:42,635 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 11:37:42,636 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 11:37:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:42,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:37:42,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:42,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:42,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591807943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:37:42,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:37:42,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-09 11:37:42,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839353222] [2024-11-09 11:37:42,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:42,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:37:42,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:42,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:37:42,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:37:42,814 INFO L87 Difference]: Start difference. First operand 465 states and 631 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-09 11:37:43,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:43,595 INFO L93 Difference]: Finished difference Result 767 states and 1063 transitions. [2024-11-09 11:37:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:37:43,596 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 98 [2024-11-09 11:37:43,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:43,598 INFO L225 Difference]: With dead ends: 767 [2024-11-09 11:37:43,598 INFO L226 Difference]: Without dead ends: 765 [2024-11-09 11:37:43,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:37:43,599 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 313 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:43,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 273 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:37:43,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-09 11:37:43,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 644. [2024-11-09 11:37:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 511 states have (on average 1.3189823874755382) internal successors, (674), 530 states have internal predecessors, (674), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 11:37:43,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 896 transitions. [2024-11-09 11:37:43,636 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 896 transitions. Word has length 98 [2024-11-09 11:37:43,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:43,637 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 896 transitions. [2024-11-09 11:37:43,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2024-11-09 11:37:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 896 transitions. [2024-11-09 11:37:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 11:37:43,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:43,638 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:43,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:37:43,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-09 11:37:43,839 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:43,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:43,839 INFO L85 PathProgramCache]: Analyzing trace with hash -369981776, now seen corresponding path program 1 times [2024-11-09 11:37:43,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:43,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979476251] [2024-11-09 11:37:43,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:43,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:37:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:37:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:37:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:37:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:43,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:43,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979476251] [2024-11-09 11:37:43,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979476251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:43,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140631948] [2024-11-09 11:37:43,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:43,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:43,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:43,919 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 11:37:43,921 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 11:37:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:43,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:37:43,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:44,009 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:44,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140631948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:37:44,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:37:44,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-09 11:37:44,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689920572] [2024-11-09 11:37:44,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:44,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:37:44,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:44,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:37:44,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:37:44,119 INFO L87 Difference]: Start difference. First operand 644 states and 896 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:37:44,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:44,837 INFO L93 Difference]: Finished difference Result 777 states and 1049 transitions. [2024-11-09 11:37:44,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:37:44,841 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 99 [2024-11-09 11:37:44,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:44,843 INFO L225 Difference]: With dead ends: 777 [2024-11-09 11:37:44,843 INFO L226 Difference]: Without dead ends: 775 [2024-11-09 11:37:44,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:37:44,845 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 581 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:44,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 441 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:37:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-09 11:37:44,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 646. [2024-11-09 11:37:44,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 514 states have (on average 1.272373540856031) internal successors, (654), 532 states have internal predecessors, (654), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 11:37:44,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 876 transitions. [2024-11-09 11:37:44,896 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 876 transitions. Word has length 99 [2024-11-09 11:37:44,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:44,898 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 876 transitions. [2024-11-09 11:37:44,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:37:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 876 transitions. [2024-11-09 11:37:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:37:44,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:44,899 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:37:44,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:37:45,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:45,105 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:45,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash 929801928, now seen corresponding path program 1 times [2024-11-09 11:37:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:45,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696752335] [2024-11-09 11:37:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:37:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:37:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:37:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:37:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:45,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:45,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696752335] [2024-11-09 11:37:45,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696752335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:45,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:45,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:37:45,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54118407] [2024-11-09 11:37:45,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:45,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:37:45,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:45,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:37:45,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:37:45,170 INFO L87 Difference]: Start difference. First operand 646 states and 876 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:37:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:45,240 INFO L93 Difference]: Finished difference Result 646 states and 876 transitions. [2024-11-09 11:37:45,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:37:45,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 101 [2024-11-09 11:37:45,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:45,243 INFO L225 Difference]: With dead ends: 646 [2024-11-09 11:37:45,244 INFO L226 Difference]: Without dead ends: 645 [2024-11-09 11:37:45,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 11:37:45,244 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 16 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:45,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 152 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:37:45,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-09 11:37:45,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2024-11-09 11:37:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 514 states have (on average 1.264591439688716) internal successors, (650), 531 states have internal predecessors, (650), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 11:37:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 872 transitions. [2024-11-09 11:37:45,300 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 872 transitions. Word has length 101 [2024-11-09 11:37:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:45,301 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 872 transitions. [2024-11-09 11:37:45,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-09 11:37:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 872 transitions. [2024-11-09 11:37:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 11:37:45,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:45,302 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:37:45,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 11:37:45,302 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:45,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:45,302 INFO L85 PathProgramCache]: Analyzing trace with hash 186459146, now seen corresponding path program 1 times [2024-11-09 11:37:45,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:45,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997210724] [2024-11-09 11:37:45,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:45,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:37:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:37:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:37:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:37:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,381 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:45,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:45,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997210724] [2024-11-09 11:37:45,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997210724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:45,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881292180] [2024-11-09 11:37:45,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:45,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:45,383 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 11:37:45,384 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 11:37:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:45,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:37:45,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:45,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:37:45,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881292180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:45,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:45,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 11:37:45,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971240141] [2024-11-09 11:37:45,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:45,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:37:45,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:45,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:37:45,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:37:45,524 INFO L87 Difference]: Start difference. First operand 645 states and 872 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:37:45,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:45,764 INFO L93 Difference]: Finished difference Result 662 states and 903 transitions. [2024-11-09 11:37:45,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:37:45,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 103 [2024-11-09 11:37:45,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:45,768 INFO L225 Difference]: With dead ends: 662 [2024-11-09 11:37:45,768 INFO L226 Difference]: Without dead ends: 661 [2024-11-09 11:37:45,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:37:45,768 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 45 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:45,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 143 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:37:45,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-09 11:37:45,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 644. [2024-11-09 11:37:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 514 states have (on average 1.2568093385214008) internal successors, (646), 530 states have internal predecessors, (646), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2024-11-09 11:37:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 868 transitions. [2024-11-09 11:37:45,812 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 868 transitions. Word has length 103 [2024-11-09 11:37:45,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:45,812 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 868 transitions. [2024-11-09 11:37:45,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:37:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 868 transitions. [2024-11-09 11:37:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:37:45,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:45,813 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:37:45,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:37:46,016 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 11:37:46,017 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:46,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:46,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1485266356, now seen corresponding path program 1 times [2024-11-09 11:37:46,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:46,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066166556] [2024-11-09 11:37:46,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:46,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:37:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:37:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:37:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:37:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:46,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:46,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066166556] [2024-11-09 11:37:46,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066166556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:46,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967583066] [2024-11-09 11:37:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:46,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:46,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:46,101 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:46,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:37:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:46,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:37:46,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:46,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 11:37:46,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967583066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:37:46,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:37:46,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:37:46,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419323937] [2024-11-09 11:37:46,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:46,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:37:46,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:46,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:37:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:37:46,345 INFO L87 Difference]: Start difference. First operand 644 states and 868 transitions. Second operand has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:37:46,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:46,769 INFO L93 Difference]: Finished difference Result 905 states and 1232 transitions. [2024-11-09 11:37:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:37:46,770 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-09 11:37:46,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:46,775 INFO L225 Difference]: With dead ends: 905 [2024-11-09 11:37:46,775 INFO L226 Difference]: Without dead ends: 903 [2024-11-09 11:37:46,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:37:46,776 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 222 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:46,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 291 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:37:46,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-11-09 11:37:46,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 766. [2024-11-09 11:37:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 618 states have (on average 1.2572815533980584) internal successors, (777), 634 states have internal predecessors, (777), 129 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-09 11:37:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1035 transitions. [2024-11-09 11:37:46,861 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1035 transitions. Word has length 104 [2024-11-09 11:37:46,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:46,862 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1035 transitions. [2024-11-09 11:37:46,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-09 11:37:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1035 transitions. [2024-11-09 11:37:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 11:37:46,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:46,863 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:37:46,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 11:37:47,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-09 11:37:47,068 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:47,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:47,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1569638871, now seen corresponding path program 1 times [2024-11-09 11:37:47,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:47,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675200713] [2024-11-09 11:37:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:47,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:47,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894664075] [2024-11-09 11:37:47,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:47,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:47,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:47,088 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:47,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:37:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:47,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:37:47,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 11:37:47,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:47,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:47,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675200713] [2024-11-09 11:37:47,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:47,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894664075] [2024-11-09 11:37:47,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894664075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:47,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:47,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:37:47,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038762391] [2024-11-09 11:37:47,778 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:47,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:37:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:47,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:37:47,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:37:47,780 INFO L87 Difference]: Start difference. First operand 766 states and 1035 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 11:37:48,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:48,375 INFO L93 Difference]: Finished difference Result 851 states and 1145 transitions. [2024-11-09 11:37:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:37:48,375 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 113 [2024-11-09 11:37:48,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:48,378 INFO L225 Difference]: With dead ends: 851 [2024-11-09 11:37:48,378 INFO L226 Difference]: Without dead ends: 848 [2024-11-09 11:37:48,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:37:48,379 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 212 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:48,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 411 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:37:48,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-09 11:37:48,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 831. [2024-11-09 11:37:48,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 671 states have (on average 1.2578241430700448) internal successors, (844), 687 states have internal predecessors, (844), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-09 11:37:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1126 transitions. [2024-11-09 11:37:48,448 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1126 transitions. Word has length 113 [2024-11-09 11:37:48,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:48,448 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1126 transitions. [2024-11-09 11:37:48,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 11:37:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1126 transitions. [2024-11-09 11:37:48,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 11:37:48,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:48,450 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:37:48,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:37:48,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:48,653 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:48,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:48,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1414164800, now seen corresponding path program 1 times [2024-11-09 11:37:48,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:48,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303453613] [2024-11-09 11:37:48,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:48,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:48,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427096408] [2024-11-09 11:37:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:48,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:48,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:48,667 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:48,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:37:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:48,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:37:48,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 11:37:49,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:37:49,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:49,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303453613] [2024-11-09 11:37:49,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:37:49,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427096408] [2024-11-09 11:37:49,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427096408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:37:49,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:37:49,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:37:49,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361273443] [2024-11-09 11:37:49,806 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:37:49,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:37:49,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:49,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:37:49,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:37:49,807 INFO L87 Difference]: Start difference. First operand 831 states and 1126 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 11:37:50,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:50,369 INFO L93 Difference]: Finished difference Result 855 states and 1143 transitions. [2024-11-09 11:37:50,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:37:50,369 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 114 [2024-11-09 11:37:50,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:50,372 INFO L225 Difference]: With dead ends: 855 [2024-11-09 11:37:50,372 INFO L226 Difference]: Without dead ends: 852 [2024-11-09 11:37:50,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:37:50,373 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 250 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:50,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 326 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:37:50,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-11-09 11:37:50,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 833. [2024-11-09 11:37:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 673 states have (on average 1.2481426448736999) internal successors, (840), 689 states have internal predecessors, (840), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-09 11:37:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1122 transitions. [2024-11-09 11:37:50,432 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1122 transitions. Word has length 114 [2024-11-09 11:37:50,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:50,433 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1122 transitions. [2024-11-09 11:37:50,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-09 11:37:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1122 transitions. [2024-11-09 11:37:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:37:50,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:50,434 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:37:50,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:37:50,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:50,634 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:50,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:50,635 INFO L85 PathProgramCache]: Analyzing trace with hash 889435897, now seen corresponding path program 1 times [2024-11-09 11:37:50,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:50,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752655198] [2024-11-09 11:37:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:50,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:37:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:37:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:37:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:37:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:37:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:37:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:37:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:37:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:37:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:37:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:37:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:37:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:37:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-09 11:37:50,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:37:50,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752655198] [2024-11-09 11:37:50,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752655198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:37:50,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:37:50,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:37:50,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165184048] [2024-11-09 11:37:50,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:37:50,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:37:50,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:37:50,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:37:50,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:37:50,765 INFO L87 Difference]: Start difference. First operand 833 states and 1122 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-09 11:37:51,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:37:51,460 INFO L93 Difference]: Finished difference Result 837 states and 1122 transitions. [2024-11-09 11:37:51,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:37:51,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 115 [2024-11-09 11:37:51,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:37:51,463 INFO L225 Difference]: With dead ends: 837 [2024-11-09 11:37:51,463 INFO L226 Difference]: Without dead ends: 836 [2024-11-09 11:37:51,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:37:51,464 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 85 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:37:51,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 211 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:37:51,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-09 11:37:51,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 794. [2024-11-09 11:37:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 639 states have (on average 1.2394366197183098) internal successors, (792), 654 states have internal predecessors, (792), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-09 11:37:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1066 transitions. [2024-11-09 11:37:51,517 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1066 transitions. Word has length 115 [2024-11-09 11:37:51,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:37:51,517 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1066 transitions. [2024-11-09 11:37:51,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-09 11:37:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1066 transitions. [2024-11-09 11:37:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 11:37:51,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:37:51,519 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 11:37:51,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 11:37:51,520 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:37:51,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:37:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1802709090, now seen corresponding path program 1 times [2024-11-09 11:37:51,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:37:51,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358097558] [2024-11-09 11:37:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:51,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:37:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:37:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1339858742] [2024-11-09 11:37:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:37:51,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:37:51,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:37:51,540 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:37:51,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:37:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:37:51,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:37:51,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:37:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 11:37:51,976 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:04,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:04,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358097558] [2024-11-09 11:38:04,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:04,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339858742] [2024-11-09 11:38:04,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339858742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:04,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:04,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:38:04,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585858682] [2024-11-09 11:38:04,512 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:04,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:38:04,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:04,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:38:04,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=220, Unknown=3, NotChecked=0, Total=272 [2024-11-09 11:38:04,515 INFO L87 Difference]: Start difference. First operand 794 states and 1066 transitions. Second operand has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-09 11:38:05,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:05,087 INFO L93 Difference]: Finished difference Result 810 states and 1072 transitions. [2024-11-09 11:38:05,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:38:05,087 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 116 [2024-11-09 11:38:05,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:05,090 INFO L225 Difference]: With dead ends: 810 [2024-11-09 11:38:05,090 INFO L226 Difference]: Without dead ends: 803 [2024-11-09 11:38:05,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=94, Invalid=409, Unknown=3, NotChecked=0, Total=506 [2024-11-09 11:38:05,091 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 178 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:05,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 442 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:38:05,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2024-11-09 11:38:05,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 792. [2024-11-09 11:38:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 637 states have (on average 1.2291993720565149) internal successors, (783), 652 states have internal predecessors, (783), 137 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-09 11:38:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1057 transitions. [2024-11-09 11:38:05,145 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1057 transitions. Word has length 116 [2024-11-09 11:38:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:05,145 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1057 transitions. [2024-11-09 11:38:05,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-09 11:38:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1057 transitions. [2024-11-09 11:38:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 11:38:05,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:05,147 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:05,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:38:05,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:05,348 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:05,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:05,348 INFO L85 PathProgramCache]: Analyzing trace with hash -767441840, now seen corresponding path program 2 times [2024-11-09 11:38:05,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:05,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070453127] [2024-11-09 11:38:05,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:05,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029407051] [2024-11-09 11:38:05,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:38:05,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:05,362 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:05,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:38:05,414 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:38:05,414 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:05,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:38:05,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-09 11:38:05,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:05,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:05,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070453127] [2024-11-09 11:38:05,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:05,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029407051] [2024-11-09 11:38:05,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029407051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:05,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:05,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:38:05,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331311519] [2024-11-09 11:38:05,940 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:05,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:38:05,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:38:05,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:38:05,941 INFO L87 Difference]: Start difference. First operand 792 states and 1057 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-09 11:38:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:06,520 INFO L93 Difference]: Finished difference Result 1124 states and 1525 transitions. [2024-11-09 11:38:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:38:06,521 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 116 [2024-11-09 11:38:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:06,524 INFO L225 Difference]: With dead ends: 1124 [2024-11-09 11:38:06,524 INFO L226 Difference]: Without dead ends: 1120 [2024-11-09 11:38:06,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:38:06,524 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 611 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:06,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 438 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:38:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-11-09 11:38:06,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 948. [2024-11-09 11:38:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 765 states have (on average 1.2169934640522875) internal successors, (931), 780 states have internal predecessors, (931), 165 states have call successors, (165), 2 states have call predecessors, (165), 2 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-09 11:38:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1261 transitions. [2024-11-09 11:38:06,587 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1261 transitions. Word has length 116 [2024-11-09 11:38:06,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:06,588 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1261 transitions. [2024-11-09 11:38:06,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-09 11:38:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1261 transitions. [2024-11-09 11:38:06,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 11:38:06,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:06,589 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:06,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:38:06,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:38:06,789 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:06,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:06,790 INFO L85 PathProgramCache]: Analyzing trace with hash -638119105, now seen corresponding path program 2 times [2024-11-09 11:38:06,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:06,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126159617] [2024-11-09 11:38:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:06,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:38:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:38:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:38:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:38:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:38:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:38:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:38:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:38:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 11:38:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:38:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:38:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 11:38:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 11:38:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 11:38:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-09 11:38:06,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:06,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126159617] [2024-11-09 11:38:06,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126159617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:38:06,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:38:06,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:38:06,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601979233] [2024-11-09 11:38:06,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:38:06,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:38:06,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:06,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:38:06,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:38:06,857 INFO L87 Difference]: Start difference. First operand 948 states and 1261 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:38:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:07,312 INFO L93 Difference]: Finished difference Result 1275 states and 1707 transitions. [2024-11-09 11:38:07,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:38:07,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2024-11-09 11:38:07,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:07,315 INFO L225 Difference]: With dead ends: 1275 [2024-11-09 11:38:07,315 INFO L226 Difference]: Without dead ends: 622 [2024-11-09 11:38:07,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:38:07,317 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:07,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 157 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:38:07,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-09 11:38:07,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 585. [2024-11-09 11:38:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 466 states have (on average 1.2210300429184548) internal successors, (569), 481 states have internal predecessors, (569), 101 states have call successors, (101), 2 states have call predecessors, (101), 2 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-09 11:38:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 771 transitions. [2024-11-09 11:38:07,358 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 771 transitions. Word has length 123 [2024-11-09 11:38:07,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:07,358 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 771 transitions. [2024-11-09 11:38:07,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:38:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 771 transitions. [2024-11-09 11:38:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 11:38:07,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:07,359 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:07,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 11:38:07,362 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:07,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:07,362 INFO L85 PathProgramCache]: Analyzing trace with hash 470018659, now seen corresponding path program 2 times [2024-11-09 11:38:07,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:07,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923837216] [2024-11-09 11:38:07,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:07,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:07,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658576456] [2024-11-09 11:38:07,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:38:07,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:07,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:07,383 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:07,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:38:07,437 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:38:07,437 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:07,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:38:07,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-09 11:38:07,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:07,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:07,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923837216] [2024-11-09 11:38:07,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:07,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658576456] [2024-11-09 11:38:07,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658576456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:07,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:07,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-09 11:38:07,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7915387] [2024-11-09 11:38:07,970 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:07,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:38:07,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:07,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:38:07,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:38:07,971 INFO L87 Difference]: Start difference. First operand 585 states and 771 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-09 11:38:08,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:08,614 INFO L93 Difference]: Finished difference Result 672 states and 883 transitions. [2024-11-09 11:38:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:38:08,615 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 151 [2024-11-09 11:38:08,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:08,617 INFO L225 Difference]: With dead ends: 672 [2024-11-09 11:38:08,617 INFO L226 Difference]: Without dead ends: 669 [2024-11-09 11:38:08,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:38:08,618 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 220 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:08,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 529 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:38:08,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-09 11:38:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 651. [2024-11-09 11:38:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 520 states have (on average 1.225) internal successors, (637), 535 states have internal predecessors, (637), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 11:38:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 863 transitions. [2024-11-09 11:38:08,661 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 863 transitions. Word has length 151 [2024-11-09 11:38:08,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:08,661 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 863 transitions. [2024-11-09 11:38:08,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2024-11-09 11:38:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 863 transitions. [2024-11-09 11:38:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-09 11:38:08,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:08,662 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:08,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:38:08,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:08,867 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:08,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:08,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1685676596, now seen corresponding path program 2 times [2024-11-09 11:38:08,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:08,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869103815] [2024-11-09 11:38:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:08,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:08,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153625964] [2024-11-09 11:38:08,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:38:08,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:08,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:08,883 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:08,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:38:08,939 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:38:08,939 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:08,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:38:08,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-09 11:38:09,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:09,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:09,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869103815] [2024-11-09 11:38:09,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:09,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153625964] [2024-11-09 11:38:09,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153625964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:09,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:09,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:38:09,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623790084] [2024-11-09 11:38:09,962 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:09,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:38:09,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:09,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:38:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:38:09,963 INFO L87 Difference]: Start difference. First operand 651 states and 863 transitions. Second operand has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-09 11:38:10,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:10,270 INFO L93 Difference]: Finished difference Result 670 states and 877 transitions. [2024-11-09 11:38:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:38:10,270 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) Word has length 152 [2024-11-09 11:38:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:10,273 INFO L225 Difference]: With dead ends: 670 [2024-11-09 11:38:10,273 INFO L226 Difference]: Without dead ends: 667 [2024-11-09 11:38:10,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:38:10,273 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 182 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:10,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 208 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:38:10,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-09 11:38:10,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 652. [2024-11-09 11:38:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 521 states have (on average 1.2130518234165066) internal successors, (632), 536 states have internal predecessors, (632), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2024-11-09 11:38:10,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 858 transitions. [2024-11-09 11:38:10,316 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 858 transitions. Word has length 152 [2024-11-09 11:38:10,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:10,316 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 858 transitions. [2024-11-09 11:38:10,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-09 11:38:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 858 transitions. [2024-11-09 11:38:10,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 11:38:10,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:10,317 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:10,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-09 11:38:10,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:10,518 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:10,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash 732539990, now seen corresponding path program 2 times [2024-11-09 11:38:10,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:10,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378820786] [2024-11-09 11:38:10,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:10,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:10,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587870400] [2024-11-09 11:38:10,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:38:10,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:10,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:10,549 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:10,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:38:10,600 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:38:10,600 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:10,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 11:38:10,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-09 11:38:11,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:12,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:12,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378820786] [2024-11-09 11:38:12,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:12,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587870400] [2024-11-09 11:38:12,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587870400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:12,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:12,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-09 11:38:12,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528387254] [2024-11-09 11:38:12,355 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:12,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:38:12,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:12,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:38:12,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:38:12,356 INFO L87 Difference]: Start difference. First operand 652 states and 858 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-09 11:38:13,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:13,170 INFO L93 Difference]: Finished difference Result 668 states and 864 transitions. [2024-11-09 11:38:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:38:13,170 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) Word has length 154 [2024-11-09 11:38:13,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:13,172 INFO L225 Difference]: With dead ends: 668 [2024-11-09 11:38:13,172 INFO L226 Difference]: Without dead ends: 661 [2024-11-09 11:38:13,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 11:38:13,173 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 228 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:13,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 599 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:38:13,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-09 11:38:13,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 614. [2024-11-09 11:38:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 490 states have (on average 1.1979591836734693) internal successors, (587), 505 states have internal predecessors, (587), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-09 11:38:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 799 transitions. [2024-11-09 11:38:13,214 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 799 transitions. Word has length 154 [2024-11-09 11:38:13,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:13,215 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 799 transitions. [2024-11-09 11:38:13,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 7 states have call successors, (17) [2024-11-09 11:38:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 799 transitions. [2024-11-09 11:38:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 11:38:13,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:13,215 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 11:38:13,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-09 11:38:13,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:13,420 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:13,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:13,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1837610940, now seen corresponding path program 3 times [2024-11-09 11:38:13,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:13,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609748161] [2024-11-09 11:38:13,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:13,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:13,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953195225] [2024-11-09 11:38:13,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:38:13,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:13,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:13,435 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:13,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:38:13,471 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:38:13,471 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:13,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:38:13,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2024-11-09 11:38:13,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:23,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:23,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609748161] [2024-11-09 11:38:23,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:23,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953195225] [2024-11-09 11:38:23,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953195225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:23,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:23,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:38:23,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155218252] [2024-11-09 11:38:23,410 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:23,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:38:23,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:23,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:38:23,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=171, Unknown=2, NotChecked=0, Total=210 [2024-11-09 11:38:23,411 INFO L87 Difference]: Start difference. First operand 614 states and 799 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:38:24,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:24,105 INFO L93 Difference]: Finished difference Result 753 states and 993 transitions. [2024-11-09 11:38:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:38:24,105 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 154 [2024-11-09 11:38:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:24,107 INFO L225 Difference]: With dead ends: 753 [2024-11-09 11:38:24,107 INFO L226 Difference]: Without dead ends: 749 [2024-11-09 11:38:24,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=96, Invalid=322, Unknown=2, NotChecked=0, Total=420 [2024-11-09 11:38:24,108 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 266 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:24,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 370 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:38:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-09 11:38:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 610. [2024-11-09 11:38:24,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 486 states have (on average 1.191358024691358) internal successors, (579), 501 states have internal predecessors, (579), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-09 11:38:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 791 transitions. [2024-11-09 11:38:24,170 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 791 transitions. Word has length 154 [2024-11-09 11:38:24,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:24,171 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 791 transitions. [2024-11-09 11:38:24,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 3 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-09 11:38:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 791 transitions. [2024-11-09 11:38:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 11:38:24,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:24,173 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:24,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:38:24,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:24,374 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:24,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:24,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1135662868, now seen corresponding path program 3 times [2024-11-09 11:38:24,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:24,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469568532] [2024-11-09 11:38:24,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:24,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:24,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970770008] [2024-11-09 11:38:24,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:38:24,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:24,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:24,390 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:24,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:38:24,437 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 11:38:24,437 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:24,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:38:24,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 79 proven. 49 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-09 11:38:24,823 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:25,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:25,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469568532] [2024-11-09 11:38:25,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:25,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970770008] [2024-11-09 11:38:25,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970770008] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:25,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:25,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:38:25,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098646902] [2024-11-09 11:38:25,160 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:25,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:38:25,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:25,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:38:25,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:38:25,161 INFO L87 Difference]: Start difference. First operand 610 states and 791 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-09 11:38:26,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:26,974 INFO L93 Difference]: Finished difference Result 631 states and 819 transitions. [2024-11-09 11:38:26,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:38:26,974 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 160 [2024-11-09 11:38:26,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:26,976 INFO L225 Difference]: With dead ends: 631 [2024-11-09 11:38:26,976 INFO L226 Difference]: Without dead ends: 628 [2024-11-09 11:38:26,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:38:26,977 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 122 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:26,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 396 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 11:38:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-09 11:38:27,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 607. [2024-11-09 11:38:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 486 states have (on average 1.1604938271604939) internal successors, (564), 498 states have internal predecessors, (564), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-09 11:38:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 776 transitions. [2024-11-09 11:38:27,028 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 776 transitions. Word has length 160 [2024-11-09 11:38:27,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:27,028 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 776 transitions. [2024-11-09 11:38:27,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-09 11:38:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 776 transitions. [2024-11-09 11:38:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 11:38:27,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:27,029 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:27,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 11:38:27,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-09 11:38:27,234 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:27,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:27,234 INFO L85 PathProgramCache]: Analyzing trace with hash -845810485, now seen corresponding path program 3 times [2024-11-09 11:38:27,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:27,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015001484] [2024-11-09 11:38:27,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:27,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:27,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [244041187] [2024-11-09 11:38:27,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:38:27,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:27,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:27,259 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:27,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:38:27,351 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 11:38:27,351 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:27,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 11:38:27,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:29,074 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 112 proven. 55 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-09 11:38:29,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:29,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:29,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015001484] [2024-11-09 11:38:29,963 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:29,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244041187] [2024-11-09 11:38:29,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244041187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:29,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:29,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-09 11:38:29,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833852157] [2024-11-09 11:38:29,963 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:29,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:38:29,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:29,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:38:29,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=383, Unknown=1, NotChecked=0, Total=462 [2024-11-09 11:38:29,964 INFO L87 Difference]: Start difference. First operand 607 states and 776 transitions. Second operand has 16 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:38:31,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:38:34,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:38:36,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:38:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:37,475 INFO L93 Difference]: Finished difference Result 1015 states and 1328 transitions. [2024-11-09 11:38:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:38:37,475 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) Word has length 161 [2024-11-09 11:38:37,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:37,479 INFO L225 Difference]: With dead ends: 1015 [2024-11-09 11:38:37,479 INFO L226 Difference]: Without dead ends: 1006 [2024-11-09 11:38:37,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=153, Invalid=602, Unknown=1, NotChecked=0, Total=756 [2024-11-09 11:38:37,480 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 327 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 51 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:37,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 278 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1070 Invalid, 7 Unknown, 0 Unchecked, 7.2s Time] [2024-11-09 11:38:37,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-09 11:38:37,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 916. [2024-11-09 11:38:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 739 states have (on average 1.1677943166441136) internal successors, (863), 751 states have internal predecessors, (863), 162 states have call successors, (162), 2 states have call predecessors, (162), 2 states have return successors, (162), 162 states have call predecessors, (162), 162 states have call successors, (162) [2024-11-09 11:38:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1187 transitions. [2024-11-09 11:38:37,580 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1187 transitions. Word has length 161 [2024-11-09 11:38:37,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:37,581 INFO L471 AbstractCegarLoop]: Abstraction has 916 states and 1187 transitions. [2024-11-09 11:38:37,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:38:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1187 transitions. [2024-11-09 11:38:37,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 11:38:37,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:37,582 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:37,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:38:37,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:38:37,782 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:37,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:37,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1075055315, now seen corresponding path program 3 times [2024-11-09 11:38:37,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:37,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383490948] [2024-11-09 11:38:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:37,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:37,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373005226] [2024-11-09 11:38:37,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:38:37,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:37,803 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:37,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:38:37,849 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 11:38:37,849 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:37,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 11:38:37,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:38,266 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 66 proven. 70 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-09 11:38:38,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:38,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:38,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383490948] [2024-11-09 11:38:38,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:38,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373005226] [2024-11-09 11:38:38,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373005226] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:38,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:38,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:38:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966996593] [2024-11-09 11:38:38,418 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:38,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:38:38,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:38:38,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:38:38,419 INFO L87 Difference]: Start difference. First operand 916 states and 1187 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:38:39,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:39,199 INFO L93 Difference]: Finished difference Result 919 states and 1189 transitions. [2024-11-09 11:38:39,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:38:39,200 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) Word has length 163 [2024-11-09 11:38:39,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:39,203 INFO L225 Difference]: With dead ends: 919 [2024-11-09 11:38:39,203 INFO L226 Difference]: Without dead ends: 898 [2024-11-09 11:38:39,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:38:39,204 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 176 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:39,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 156 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:38:39,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-09 11:38:39,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 895. [2024-11-09 11:38:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 723 states have (on average 1.1217150760719226) internal successors, (811), 732 states have internal predecessors, (811), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-09 11:38:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1131 transitions. [2024-11-09 11:38:39,301 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1131 transitions. Word has length 163 [2024-11-09 11:38:39,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:39,301 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 1131 transitions. [2024-11-09 11:38:39,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (15), 1 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:38:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1131 transitions. [2024-11-09 11:38:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 11:38:39,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:39,302 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:39,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:38:39,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-09 11:38:39,503 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:39,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:39,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1591737384, now seen corresponding path program 4 times [2024-11-09 11:38:39,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:39,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719309868] [2024-11-09 11:38:39,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:39,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:38:39,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002087453] [2024-11-09 11:38:39,517 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:38:39,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:39,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:39,519 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:39,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:38:39,580 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:38:39,580 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:39,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:38:39,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-09 11:38:40,401 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:40,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:40,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719309868] [2024-11-09 11:38:40,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:38:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002087453] [2024-11-09 11:38:40,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002087453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:40,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:38:40,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-09 11:38:40,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023372545] [2024-11-09 11:38:40,855 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:40,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 11:38:40,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:40,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 11:38:40,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:38:40,856 INFO L87 Difference]: Start difference. First operand 895 states and 1131 transitions. Second operand has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 10 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 9 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 11:38:41,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:41,833 INFO L93 Difference]: Finished difference Result 1035 states and 1305 transitions. [2024-11-09 11:38:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:38:41,834 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 10 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 9 states have call predecessors, (21), 10 states have call successors, (21) Word has length 190 [2024-11-09 11:38:41,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:41,837 INFO L225 Difference]: With dead ends: 1035 [2024-11-09 11:38:41,837 INFO L226 Difference]: Without dead ends: 1034 [2024-11-09 11:38:41,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=205, Invalid=985, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 11:38:41,838 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 261 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:41,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 551 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:38:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2024-11-09 11:38:41,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 907. [2024-11-09 11:38:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 734 states have (on average 1.1212534059945505) internal successors, (823), 743 states have internal predecessors, (823), 161 states have call successors, (161), 2 states have call predecessors, (161), 2 states have return successors, (161), 161 states have call predecessors, (161), 161 states have call successors, (161) [2024-11-09 11:38:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1145 transitions. [2024-11-09 11:38:41,947 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1145 transitions. Word has length 190 [2024-11-09 11:38:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:41,947 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1145 transitions. [2024-11-09 11:38:41,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.875) internal successors, (94), 17 states have internal predecessors, (94), 10 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 9 states have call predecessors, (21), 10 states have call successors, (21) [2024-11-09 11:38:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1145 transitions. [2024-11-09 11:38:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-09 11:38:41,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:41,948 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 11:38:41,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:38:42,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:42,149 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:42,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:42,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1302735145, now seen corresponding path program 2 times [2024-11-09 11:38:42,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:42,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289564099] [2024-11-09 11:38:42,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:42,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:38:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:38:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:38:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:38:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:38:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:38:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:38:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:38:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:38:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:38:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:38:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:38:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:38:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 11:38:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 11:38:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 11:38:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 11:38:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:38:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 11:38:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 11:38:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 11:38:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-09 11:38:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 11:38:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 11:38:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-09 11:38:42,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:42,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289564099] [2024-11-09 11:38:42,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289564099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:42,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172551997] [2024-11-09 11:38:42,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:38:42,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:42,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:42,339 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:42,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:38:42,408 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:38:42,408 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:42,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:38:42,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-09 11:38:42,529 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-11-09 11:38:42,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172551997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:38:42,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:38:42,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-09 11:38:42,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169132236] [2024-11-09 11:38:42,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:42,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:38:42,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:42,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:38:42,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:38:42,794 INFO L87 Difference]: Start difference. First operand 907 states and 1145 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-09 11:38:43,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:43,737 INFO L93 Difference]: Finished difference Result 1828 states and 2316 transitions. [2024-11-09 11:38:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:38:43,737 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) Word has length 212 [2024-11-09 11:38:43,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:43,743 INFO L225 Difference]: With dead ends: 1828 [2024-11-09 11:38:43,743 INFO L226 Difference]: Without dead ends: 1827 [2024-11-09 11:38:43,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:38:43,744 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 556 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:43,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 466 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:38:43,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-11-09 11:38:43,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1430. [2024-11-09 11:38:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1161 states have (on average 1.161068044788975) internal successors, (1348), 1170 states have internal predecessors, (1348), 257 states have call successors, (257), 2 states have call predecessors, (257), 2 states have return successors, (257), 257 states have call predecessors, (257), 257 states have call successors, (257) [2024-11-09 11:38:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1862 transitions. [2024-11-09 11:38:43,928 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1862 transitions. Word has length 212 [2024-11-09 11:38:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:43,928 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 1862 transitions. [2024-11-09 11:38:43,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 13 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 13 states have call predecessors, (43), 13 states have call successors, (43) [2024-11-09 11:38:43,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1862 transitions. [2024-11-09 11:38:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-09 11:38:43,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:43,930 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:43,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-09 11:38:44,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:38:44,130 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:44,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:44,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1618550937, now seen corresponding path program 1 times [2024-11-09 11:38:44,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:44,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354303495] [2024-11-09 11:38:44,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:44,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:38:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:38:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:38:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:38:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:38:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:38:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:38:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:38:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:38:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:38:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:38:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:38:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 11:38:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 11:38:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 11:38:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 11:38:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-09 11:38:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-09 11:38:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 11:38:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 11:38:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:38:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 11:38:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 11:38:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-09 11:38:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-09 11:38:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-09 11:38:44,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:44,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354303495] [2024-11-09 11:38:44,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354303495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:44,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987856124] [2024-11-09 11:38:44,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:44,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:44,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:44,333 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:44,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:38:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:44,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:38:44,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-09 11:38:44,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:44,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2024-11-09 11:38:44,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987856124] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:38:44,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:38:44,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-09 11:38:44,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285158909] [2024-11-09 11:38:44,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:44,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:38:44,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:44,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:38:44,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:38:44,655 INFO L87 Difference]: Start difference. First operand 1430 states and 1862 transitions. Second operand has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-09 11:38:45,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:45,645 INFO L93 Difference]: Finished difference Result 2197 states and 2902 transitions. [2024-11-09 11:38:45,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 11:38:45,646 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) Word has length 227 [2024-11-09 11:38:45,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:45,651 INFO L225 Difference]: With dead ends: 2197 [2024-11-09 11:38:45,651 INFO L226 Difference]: Without dead ends: 1164 [2024-11-09 11:38:45,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 496 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-09 11:38:45,653 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 291 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:45,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 487 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:38:45,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-11-09 11:38:45,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1131. [2024-11-09 11:38:45,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 916 states have (on average 1.1834061135371179) internal successors, (1084), 925 states have internal predecessors, (1084), 203 states have call successors, (203), 2 states have call predecessors, (203), 2 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-09 11:38:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1490 transitions. [2024-11-09 11:38:45,801 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1490 transitions. Word has length 227 [2024-11-09 11:38:45,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:45,801 INFO L471 AbstractCegarLoop]: Abstraction has 1131 states and 1490 transitions. [2024-11-09 11:38:45,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.066666666666666) internal successors, (196), 15 states have internal predecessors, (196), 13 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 13 states have call predecessors, (47), 13 states have call successors, (47) [2024-11-09 11:38:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1490 transitions. [2024-11-09 11:38:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-09 11:38:45,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:45,802 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:45,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-09 11:38:46,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:38:46,006 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:46,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:46,007 INFO L85 PathProgramCache]: Analyzing trace with hash 342059287, now seen corresponding path program 2 times [2024-11-09 11:38:46,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:46,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094098012] [2024-11-09 11:38:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:46,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:38:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:38:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:38:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:38:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:38:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:38:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:38:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:38:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:38:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:38:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:38:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:38:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:38:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 11:38:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 11:38:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 11:38:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 11:38:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:38:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 11:38:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 11:38:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 11:38:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-09 11:38:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 11:38:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-09 11:38:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-09 11:38:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-09 11:38:46,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:46,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094098012] [2024-11-09 11:38:46,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094098012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:46,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352494199] [2024-11-09 11:38:46,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:38:46,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:46,202 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:46,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:38:46,264 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:38:46,264 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:46,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:38:46,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-09 11:38:46,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-09 11:38:46,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352494199] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:38:46,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:38:46,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-09 11:38:46,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531119584] [2024-11-09 11:38:46,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:46,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:38:46,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:46,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:38:46,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:38:46,799 INFO L87 Difference]: Start difference. First operand 1131 states and 1490 transitions. Second operand has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-09 11:38:47,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:47,834 INFO L93 Difference]: Finished difference Result 2569 states and 3421 transitions. [2024-11-09 11:38:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-09 11:38:47,835 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) Word has length 227 [2024-11-09 11:38:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:47,849 INFO L225 Difference]: With dead ends: 2569 [2024-11-09 11:38:47,849 INFO L226 Difference]: Without dead ends: 2556 [2024-11-09 11:38:47,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 11:38:47,851 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1440 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:47,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 404 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:38:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2024-11-09 11:38:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 1470. [2024-11-09 11:38:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1192 states have (on average 1.1753355704697988) internal successors, (1401), 1201 states have internal predecessors, (1401), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-09 11:38:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1933 transitions. [2024-11-09 11:38:48,051 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1933 transitions. Word has length 227 [2024-11-09 11:38:48,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:48,051 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1933 transitions. [2024-11-09 11:38:48,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.238095238095237) internal successors, (299), 22 states have internal predecessors, (299), 21 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 21 states have call predecessors, (67), 21 states have call successors, (67) [2024-11-09 11:38:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1933 transitions. [2024-11-09 11:38:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-09 11:38:48,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:48,052 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:38:48,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:38:48,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:48,253 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:48,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:48,253 INFO L85 PathProgramCache]: Analyzing trace with hash -2055766244, now seen corresponding path program 5 times [2024-11-09 11:38:48,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:48,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186356534] [2024-11-09 11:38:48,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:48,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:38:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:38:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:38:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:38:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:38:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:38:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:38:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:38:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:38:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:38:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:38:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:38:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:38:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 11:38:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 11:38:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 11:38:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 11:38:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:38:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 11:38:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 11:38:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-09 11:38:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-09 11:38:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 11:38:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-09 11:38:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-09 11:38:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 6 proven. 190 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-11-09 11:38:48,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:48,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186356534] [2024-11-09 11:38:48,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186356534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:48,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431131527] [2024-11-09 11:38:48,768 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:38:48,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:48,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:48,770 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:48,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:38:48,848 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-09 11:38:48,848 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:48,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:38:48,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 235 proven. 45 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-11-09 11:38:49,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 6 proven. 190 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-11-09 11:38:50,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431131527] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:38:50,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:38:50,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 28 [2024-11-09 11:38:50,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945292562] [2024-11-09 11:38:50,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:50,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 11:38:50,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:50,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 11:38:50,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=628, Unknown=0, NotChecked=0, Total=756 [2024-11-09 11:38:50,028 INFO L87 Difference]: Start difference. First operand 1470 states and 1933 transitions. Second operand has 28 states, 28 states have (on average 10.714285714285714) internal successors, (300), 28 states have internal predecessors, (300), 25 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (71), 24 states have call predecessors, (71), 25 states have call successors, (71) [2024-11-09 11:38:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:53,046 INFO L93 Difference]: Finished difference Result 2162 states and 2854 transitions. [2024-11-09 11:38:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-09 11:38:53,047 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 10.714285714285714) internal successors, (300), 28 states have internal predecessors, (300), 25 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (71), 24 states have call predecessors, (71), 25 states have call successors, (71) Word has length 228 [2024-11-09 11:38:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:53,052 INFO L225 Difference]: With dead ends: 2162 [2024-11-09 11:38:53,052 INFO L226 Difference]: Without dead ends: 1199 [2024-11-09 11:38:53,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1014, Invalid=3542, Unknown=0, NotChecked=0, Total=4556 [2024-11-09 11:38:53,055 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 418 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:53,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 713 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 11:38:53,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2024-11-09 11:38:53,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 969. [2024-11-09 11:38:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 783 states have (on average 1.1379310344827587) internal successors, (891), 791 states have internal predecessors, (891), 175 states have call successors, (175), 2 states have call predecessors, (175), 2 states have return successors, (175), 175 states have call predecessors, (175), 175 states have call successors, (175) [2024-11-09 11:38:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1241 transitions. [2024-11-09 11:38:53,214 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1241 transitions. Word has length 228 [2024-11-09 11:38:53,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:53,214 INFO L471 AbstractCegarLoop]: Abstraction has 969 states and 1241 transitions. [2024-11-09 11:38:53,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.714285714285714) internal successors, (300), 28 states have internal predecessors, (300), 25 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (71), 24 states have call predecessors, (71), 25 states have call successors, (71) [2024-11-09 11:38:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1241 transitions. [2024-11-09 11:38:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-09 11:38:53,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:53,215 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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 11:38:53,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:38:53,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:53,416 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:53,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:53,416 INFO L85 PathProgramCache]: Analyzing trace with hash 638648667, now seen corresponding path program 1 times [2024-11-09 11:38:53,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:53,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965473384] [2024-11-09 11:38:53,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:53,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:38:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:38:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:38:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:38:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:38:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:38:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:38:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:38:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:38:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:38:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:38:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:38:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:38:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 11:38:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 11:38:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 11:38:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-09 11:38:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:38:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 11:38:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-09 11:38:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-09 11:38:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-09 11:38:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 11:38:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-09 11:38:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-09 11:38:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 11:38:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-11-09 11:38:53,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:53,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965473384] [2024-11-09 11:38:53,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965473384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:53,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628546223] [2024-11-09 11:38:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:53,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:53,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:53,595 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:53,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:38:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:53,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:38:53,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 140 proven. 157 refuted. 0 times theorem prover too weak. 936 trivial. 0 not checked. [2024-11-09 11:38:53,791 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 52 proven. 157 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2024-11-09 11:38:53,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628546223] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:38:53,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:38:53,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-11-09 11:38:53,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288224566] [2024-11-09 11:38:53,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:53,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:38:53,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:53,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:38:53,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:38:53,972 INFO L87 Difference]: Start difference. First operand 969 states and 1241 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-09 11:38:55,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:38:55,048 INFO L93 Difference]: Finished difference Result 1905 states and 2451 transitions. [2024-11-09 11:38:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:38:55,048 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 239 [2024-11-09 11:38:55,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:38:55,052 INFO L225 Difference]: With dead ends: 1905 [2024-11-09 11:38:55,052 INFO L226 Difference]: Without dead ends: 1257 [2024-11-09 11:38:55,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 524 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:38:55,053 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 200 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:38:55,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 564 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:38:55,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-09 11:38:55,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1143. [2024-11-09 11:38:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 925 states have (on average 1.134054054054054) internal successors, (1049), 933 states have internal predecessors, (1049), 207 states have call successors, (207), 2 states have call predecessors, (207), 2 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-09 11:38:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1463 transitions. [2024-11-09 11:38:55,256 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1463 transitions. Word has length 239 [2024-11-09 11:38:55,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:38:55,256 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1463 transitions. [2024-11-09 11:38:55,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 9 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-09 11:38:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1463 transitions. [2024-11-09 11:38:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-09 11:38:55,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:38:55,258 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 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 11:38:55,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:38:55,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-09 11:38:55,459 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-09 11:38:55,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:38:55,459 INFO L85 PathProgramCache]: Analyzing trace with hash 946345191, now seen corresponding path program 2 times [2024-11-09 11:38:55,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:38:55,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571681333] [2024-11-09 11:38:55,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:38:55,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:38:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:55,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:38:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:55,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 11:38:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:55,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 11:38:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:55,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:38:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:55,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:38:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:55,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:38:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:55,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 11:38:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 11:38:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:38:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 11:38:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:38:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 11:38:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 11:38:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 11:38:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 11:38:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-09 11:38:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-09 11:38:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 11:38:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-09 11:38:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-09 11:38:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-09 11:38:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-09 11:38:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-09 11:38:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-09 11:38:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-09 11:38:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-09 11:38:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-11-09 11:38:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-09 11:38:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-09 11:38:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-09 11:38:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:38:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 64 proven. 255 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-09 11:38:56,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:38:56,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571681333] [2024-11-09 11:38:56,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571681333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:38:56,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162893949] [2024-11-09 11:38:56,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:38:56,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:38:56,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:38:56,099 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:38:56,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:38:56,173 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:38:56,174 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:38:56,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:38:56,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:38:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 168 proven. 255 refuted. 0 times theorem prover too weak. 1306 trivial. 0 not checked. [2024-11-09 11:38:56,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:38:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 54 proven. 265 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-09 11:38:57,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162893949] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:38:57,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:38:57,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 35 [2024-11-09 11:38:57,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934179638] [2024-11-09 11:38:57,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:38:57,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-09 11:38:57,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:38:57,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-09 11:38:57,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1025, Unknown=0, NotChecked=0, Total=1190 [2024-11-09 11:38:57,256 INFO L87 Difference]: Start difference. First operand 1143 states and 1463 transitions. Second operand has 35 states, 35 states have (on average 10.514285714285714) internal successors, (368), 35 states have internal predecessors, (368), 29 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (86), 28 states have call predecessors, (86), 29 states have call successors, (86)