./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:38:07,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:38:07,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:38:07,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:38:07,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:38:07,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:38:07,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:38:07,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:38:07,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:38:07,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:38:07,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:38:07,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:38:07,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:38:07,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:38:07,481 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:38:07,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:38:07,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:38:07,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:38:07,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:38:07,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:38:07,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:38:07,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:38:07,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:38:07,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:38:07,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:38:07,485 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:38:07,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:38:07,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:38:07,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:38:07,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:38:07,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:38:07,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:38:07,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:38:07,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:38:07,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:38:07,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:38:07,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:38:07,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:38:07,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:38:07,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:38:07,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:38:07,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:38:07,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:38:07,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:38:07,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba [2024-10-14 20:38:07,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:38:07,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:38:07,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:38:07,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:38:07,758 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:38:07,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-10-14 20:38:09,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:38:09,402 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:38:09,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-10-14 20:38:09,410 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af3719cc/ae697eaf0a534f0fb9e392926309fcaf/FLAG4bfed5c00 [2024-10-14 20:38:09,791 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af3719cc/ae697eaf0a534f0fb9e392926309fcaf [2024-10-14 20:38:09,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:38:09,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:38:09,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:38:09,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:38:09,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:38:09,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:38:09" (1/1) ... [2024-10-14 20:38:09,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d11714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:09, skipping insertion in model container [2024-10-14 20:38:09,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:38:09" (1/1) ... [2024-10-14 20:38:09,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:38:09,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:38:10,000 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:38:10,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:38:10,057 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:38:10,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10 WrapperNode [2024-10-14 20:38:10,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:38:10,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:38:10,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:38:10,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:38:10,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,113 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-10-14 20:38:10,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:38:10,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:38:10,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:38:10,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:38:10,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,129 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,163 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]. [2024-10-14 20:38:10,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:38:10,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:38:10,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:38:10,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:38:10,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (1/1) ... [2024-10-14 20:38:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:38:10,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:10,216 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) [2024-10-14 20:38:10,219 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 [2024-10-14 20:38:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:38:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 20:38:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 20:38:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:38:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:38:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:38:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 20:38:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 20:38:10,330 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:38:10,333 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:38:11,034 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-10-14 20:38:11,034 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:38:11,065 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:38:11,065 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 20:38:11,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:38:11 BoogieIcfgContainer [2024-10-14 20:38:11,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:38:11,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:38:11,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:38:11,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:38:11,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:38:09" (1/3) ... [2024-10-14 20:38:11,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376fc563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:38:11, skipping insertion in model container [2024-10-14 20:38:11,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:38:10" (2/3) ... [2024-10-14 20:38:11,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376fc563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:38:11, skipping insertion in model container [2024-10-14 20:38:11,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:38:11" (3/3) ... [2024-10-14 20:38:11,078 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound50.c [2024-10-14 20:38:11,095 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:38:11,095 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-10-14 20:38:11,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:38:11,168 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;@11c5f4a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:38:11,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-10-14 20:38:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 69 states have (on average 1.8985507246376812) internal successors, (131), 125 states have internal predecessors, (131), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 20:38:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-14 20:38:11,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:11,178 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:11,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:11,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:11,183 INFO L85 PathProgramCache]: Analyzing trace with hash 38741639, now seen corresponding path program 1 times [2024-10-14 20:38:11,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:11,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488785841] [2024-10-14 20:38:11,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:11,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:11,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471223021] [2024-10-14 20:38:11,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:11,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:11,308 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) [2024-10-14 20:38:11,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:38:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:11,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:38:11,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:11,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:11,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:11,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488785841] [2024-10-14 20:38:11,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:11,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471223021] [2024-10-14 20:38:11,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471223021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:11,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:11,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:38:11,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593356700] [2024-10-14 20:38:11,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:11,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:38:11,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:11,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:38:11,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:11,486 INFO L87 Difference]: Start difference. First operand has 139 states, 69 states have (on average 1.8985507246376812) internal successors, (131), 125 states have internal predecessors, (131), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:38:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:11,855 INFO L93 Difference]: Finished difference Result 359 states and 451 transitions. [2024-10-14 20:38:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:11,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-10-14 20:38:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:11,871 INFO L225 Difference]: With dead ends: 359 [2024-10-14 20:38:11,871 INFO L226 Difference]: Without dead ends: 217 [2024-10-14 20:38:11,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:11,881 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 74 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:11,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 149 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:11,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-14 20:38:11,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 175. [2024-10-14 20:38:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 102 states have (on average 1.8431372549019607) internal successors, (188), 157 states have internal predecessors, (188), 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) [2024-10-14 20:38:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 218 transitions. [2024-10-14 20:38:11,947 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 218 transitions. Word has length 25 [2024-10-14 20:38:11,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:11,948 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 218 transitions. [2024-10-14 20:38:11,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:38:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2024-10-14 20:38:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-14 20:38:11,950 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:11,950 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:11,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:38:12,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 20:38:12,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:12,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:12,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1423988951, now seen corresponding path program 1 times [2024-10-14 20:38:12,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:12,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714060210] [2024-10-14 20:38:12,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:12,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:12,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875068723] [2024-10-14 20:38:12,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:12,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:12,206 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) [2024-10-14 20:38:12,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:38:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:12,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:38:12,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:12,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:12,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:12,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714060210] [2024-10-14 20:38:12,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:12,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875068723] [2024-10-14 20:38:12,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875068723] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:12,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:12,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:38:12,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281451396] [2024-10-14 20:38:12,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:12,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:38:12,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:12,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:38:12,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:12,291 INFO L87 Difference]: Start difference. First operand 175 states and 218 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:38:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:12,652 INFO L93 Difference]: Finished difference Result 276 states and 342 transitions. [2024-10-14 20:38:12,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:12,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-10-14 20:38:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:12,656 INFO L225 Difference]: With dead ends: 276 [2024-10-14 20:38:12,656 INFO L226 Difference]: Without dead ends: 268 [2024-10-14 20:38:12,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:12,657 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:12,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 203 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:12,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-10-14 20:38:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2024-10-14 20:38:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.7919463087248322) internal successors, (267), 204 states have internal predecessors, (267), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-14 20:38:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 309 transitions. [2024-10-14 20:38:12,689 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 309 transitions. Word has length 27 [2024-10-14 20:38:12,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:12,689 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 309 transitions. [2024-10-14 20:38:12,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:38:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 309 transitions. [2024-10-14 20:38:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 20:38:12,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:12,690 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:12,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:12,891 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,SelfDestructingSolverStorable1 [2024-10-14 20:38:12,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:12,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:12,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1641187275, now seen corresponding path program 1 times [2024-10-14 20:38:12,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:12,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709377919] [2024-10-14 20:38:12,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:12,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137155302] [2024-10-14 20:38:12,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:12,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:12,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:12,919 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) [2024-10-14 20:38:12,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:38:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:12,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:38:12,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:13,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:13,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709377919] [2024-10-14 20:38:13,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137155302] [2024-10-14 20:38:13,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137155302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:13,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:13,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:38:13,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036445742] [2024-10-14 20:38:13,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:13,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:38:13,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:13,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:38:13,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:13,046 INFO L87 Difference]: Start difference. First operand 228 states and 309 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:38:13,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:13,324 INFO L93 Difference]: Finished difference Result 262 states and 328 transitions. [2024-10-14 20:38:13,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:13,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-10-14 20:38:13,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:13,326 INFO L225 Difference]: With dead ends: 262 [2024-10-14 20:38:13,326 INFO L226 Difference]: Without dead ends: 248 [2024-10-14 20:38:13,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:13,328 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:13,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 131 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:13,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-14 20:38:13,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 193. [2024-10-14 20:38:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 119 states have (on average 1.7142857142857142) internal successors, (204), 174 states have internal predecessors, (204), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 20:38:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 236 transitions. [2024-10-14 20:38:13,341 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 236 transitions. Word has length 29 [2024-10-14 20:38:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:13,341 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 236 transitions. [2024-10-14 20:38:13,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 20:38:13,341 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 236 transitions. [2024-10-14 20:38:13,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 20:38:13,342 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:13,342 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:13,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:13,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:13,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:13,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash 330085702, now seen corresponding path program 1 times [2024-10-14 20:38:13,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:13,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749706114] [2024-10-14 20:38:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:13,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:13,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372736293] [2024-10-14 20:38:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:13,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:13,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:13,580 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) [2024-10-14 20:38:13,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:38:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:13,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 20:38:13,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:13,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:13,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:13,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749706114] [2024-10-14 20:38:13,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:13,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372736293] [2024-10-14 20:38:13,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372736293] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:13,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:13,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:38:13,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663183037] [2024-10-14 20:38:13,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:13,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:38:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:13,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:38:13,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:13,674 INFO L87 Difference]: Start difference. First operand 193 states and 236 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:38:13,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:14,000 INFO L93 Difference]: Finished difference Result 355 states and 455 transitions. [2024-10-14 20:38:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:14,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 36 [2024-10-14 20:38:14,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:14,003 INFO L225 Difference]: With dead ends: 355 [2024-10-14 20:38:14,003 INFO L226 Difference]: Without dead ends: 347 [2024-10-14 20:38:14,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:14,004 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:14,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 199 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:14,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-14 20:38:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 272. [2024-10-14 20:38:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.693121693121693) internal successors, (320), 244 states have internal predecessors, (320), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 370 transitions. [2024-10-14 20:38:14,030 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 370 transitions. Word has length 36 [2024-10-14 20:38:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:14,031 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 370 transitions. [2024-10-14 20:38:14,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-10-14 20:38:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2024-10-14 20:38:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-14 20:38:14,032 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:14,032 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:14,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:38:14,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:14,237 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:14,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash -615218232, now seen corresponding path program 1 times [2024-10-14 20:38:14,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:14,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009630996] [2024-10-14 20:38:14,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:14,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:14,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326944247] [2024-10-14 20:38:14,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:14,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:14,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:14,266 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) [2024-10-14 20:38:14,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:38:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:14,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:14,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:14,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:14,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:14,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009630996] [2024-10-14 20:38:14,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:14,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326944247] [2024-10-14 20:38:14,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326944247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:14,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:14,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:14,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197960939] [2024-10-14 20:38:14,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:14,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:14,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:14,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:14,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:14,429 INFO L87 Difference]: Start difference. First operand 272 states and 370 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-14 20:38:14,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:14,795 INFO L93 Difference]: Finished difference Result 325 states and 435 transitions. [2024-10-14 20:38:14,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:14,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 38 [2024-10-14 20:38:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:14,797 INFO L225 Difference]: With dead ends: 325 [2024-10-14 20:38:14,797 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:38:14,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:14,799 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 171 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:14,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 158 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:14,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:38:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2024-10-14 20:38:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6719576719576719) internal successors, (316), 244 states have internal predecessors, (316), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 366 transitions. [2024-10-14 20:38:14,813 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 366 transitions. Word has length 38 [2024-10-14 20:38:14,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:14,814 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 366 transitions. [2024-10-14 20:38:14,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-14 20:38:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 366 transitions. [2024-10-14 20:38:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 20:38:14,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:14,815 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:14,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:15,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:15,016 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:15,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:15,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1891895940, now seen corresponding path program 1 times [2024-10-14 20:38:15,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:15,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061856255] [2024-10-14 20:38:15,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:15,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:15,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125493072] [2024-10-14 20:38:15,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:15,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:15,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:15,055 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) [2024-10-14 20:38:15,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:38:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:15,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:15,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:15,189 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:15,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:15,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061856255] [2024-10-14 20:38:15,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:15,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125493072] [2024-10-14 20:38:15,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125493072] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:15,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:15,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:15,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442235817] [2024-10-14 20:38:15,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:15,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:15,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:15,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:15,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:15,192 INFO L87 Difference]: Start difference. First operand 272 states and 366 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) [2024-10-14 20:38:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:15,613 INFO L93 Difference]: Finished difference Result 325 states and 431 transitions. [2024-10-14 20:38:15,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:15,614 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 [2024-10-14 20:38:15,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:15,616 INFO L225 Difference]: With dead ends: 325 [2024-10-14 20:38:15,616 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:38:15,618 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 [2024-10-14 20:38:15,620 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 170 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:15,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 158 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:38:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:38:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 272. [2024-10-14 20:38:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 244 states have internal predecessors, (312), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 362 transitions. [2024-10-14 20:38:15,649 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 362 transitions. Word has length 39 [2024-10-14 20:38:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:15,651 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 362 transitions. [2024-10-14 20:38:15,651 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) [2024-10-14 20:38:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 362 transitions. [2024-10-14 20:38:15,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 20:38:15,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:15,652 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:15,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:38:15,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:15,853 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:15,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:15,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1480768074, now seen corresponding path program 1 times [2024-10-14 20:38:15,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:15,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592385346] [2024-10-14 20:38:15,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:15,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:15,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121453196] [2024-10-14 20:38:15,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:15,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:15,889 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) [2024-10-14 20:38:15,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:38:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:15,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:15,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:15,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:15,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:15,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592385346] [2024-10-14 20:38:15,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:15,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121453196] [2024-10-14 20:38:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121453196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625639057] [2024-10-14 20:38:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:15,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:15,981 INFO L87 Difference]: Start difference. First operand 272 states and 362 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) [2024-10-14 20:38:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:17,001 INFO L93 Difference]: Finished difference Result 345 states and 435 transitions. [2024-10-14 20:38:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:17,002 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 [2024-10-14 20:38:17,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:17,004 INFO L225 Difference]: With dead ends: 345 [2024-10-14 20:38:17,004 INFO L226 Difference]: Without dead ends: 343 [2024-10-14 20:38:17,005 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 [2024-10-14 20:38:17,005 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 141 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:17,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 170 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 20:38:17,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-14 20:38:17,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 273. [2024-10-14 20:38:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.631578947368421) internal successors, (310), 245 states have internal predecessors, (310), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 360 transitions. [2024-10-14 20:38:17,022 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 360 transitions. Word has length 40 [2024-10-14 20:38:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:17,023 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 360 transitions. [2024-10-14 20:38:17,023 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) [2024-10-14 20:38:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 360 transitions. [2024-10-14 20:38:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-14 20:38:17,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:17,024 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:17,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:38:17,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:17,228 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:17,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:17,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1340829890, now seen corresponding path program 1 times [2024-10-14 20:38:17,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:17,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459224483] [2024-10-14 20:38:17,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114110357] [2024-10-14 20:38:17,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:17,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:17,249 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) [2024-10-14 20:38:17,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:38:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:17,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:17,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 20:38:17,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:17,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:17,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459224483] [2024-10-14 20:38:17,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:17,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114110357] [2024-10-14 20:38:17,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114110357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:17,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:17,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:17,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787701930] [2024-10-14 20:38:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:17,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:17,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:17,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:17,389 INFO L87 Difference]: Start difference. First operand 273 states and 360 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:38:18,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:18,527 INFO L93 Difference]: Finished difference Result 345 states and 431 transitions. [2024-10-14 20:38:18,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:18,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2024-10-14 20:38:18,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:18,529 INFO L225 Difference]: With dead ends: 345 [2024-10-14 20:38:18,529 INFO L226 Difference]: Without dead ends: 343 [2024-10-14 20:38:18,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:18,530 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 140 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:18,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 173 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:38:18,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-10-14 20:38:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 274. [2024-10-14 20:38:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.612565445026178) internal successors, (308), 246 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2024-10-14 20:38:18,548 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 41 [2024-10-14 20:38:18,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:18,548 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2024-10-14 20:38:18,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-14 20:38:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2024-10-14 20:38:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-14 20:38:18,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:18,550 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:38:18,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:18,750 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,SelfDestructingSolverStorable7 [2024-10-14 20:38:18,751 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:18,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:18,751 INFO L85 PathProgramCache]: Analyzing trace with hash 44615711, now seen corresponding path program 1 times [2024-10-14 20:38:18,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:18,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130501859] [2024-10-14 20:38:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:18,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749586490] [2024-10-14 20:38:18,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:18,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:18,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:18,784 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) [2024-10-14 20:38:18,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:38:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:18,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:18,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:38:18,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:18,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130501859] [2024-10-14 20:38:18,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:18,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749586490] [2024-10-14 20:38:18,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749586490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:18,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:18,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:18,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749027081] [2024-10-14 20:38:18,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:18,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:18,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:18,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:18,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:18,919 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:38:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:19,266 INFO L93 Difference]: Finished difference Result 296 states and 377 transitions. [2024-10-14 20:38:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2024-10-14 20:38:19,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:19,268 INFO L225 Difference]: With dead ends: 296 [2024-10-14 20:38:19,268 INFO L226 Difference]: Without dead ends: 294 [2024-10-14 20:38:19,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:19,269 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 155 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:19,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 169 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:19,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-14 20:38:19,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 275. [2024-10-14 20:38:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.5989583333333333) internal successors, (307), 247 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 357 transitions. [2024-10-14 20:38:19,287 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 357 transitions. Word has length 49 [2024-10-14 20:38:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:19,287 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 357 transitions. [2024-10-14 20:38:19,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:38:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 357 transitions. [2024-10-14 20:38:19,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-14 20:38:19,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:19,289 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:38:19,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:19,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:19,495 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:19,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:19,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1383087122, now seen corresponding path program 1 times [2024-10-14 20:38:19,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:19,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679741597] [2024-10-14 20:38:19,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:19,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:19,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313347462] [2024-10-14 20:38:19,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:19,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:19,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:19,517 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) [2024-10-14 20:38:19,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 20:38:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:19,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:19,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:38:19,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:19,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:19,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679741597] [2024-10-14 20:38:19,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:19,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313347462] [2024-10-14 20:38:19,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313347462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:19,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:19,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:19,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17185485] [2024-10-14 20:38:19,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:19,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:19,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:19,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:19,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:19,660 INFO L87 Difference]: Start difference. First operand 275 states and 357 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:38:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:20,112 INFO L93 Difference]: Finished difference Result 296 states and 374 transitions. [2024-10-14 20:38:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:20,113 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-10-14 20:38:20,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:20,115 INFO L225 Difference]: With dead ends: 296 [2024-10-14 20:38:20,115 INFO L226 Difference]: Without dead ends: 294 [2024-10-14 20:38:20,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:20,116 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 154 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:20,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 169 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:38:20,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-10-14 20:38:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 276. [2024-10-14 20:38:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 248 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 356 transitions. [2024-10-14 20:38:20,127 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 356 transitions. Word has length 50 [2024-10-14 20:38:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:20,127 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 356 transitions. [2024-10-14 20:38:20,127 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, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-14 20:38:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 356 transitions. [2024-10-14 20:38:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-14 20:38:20,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:20,128 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:38:20,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 20:38:20,328 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,SelfDestructingSolverStorable9 [2024-10-14 20:38:20,329 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:20,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:20,329 INFO L85 PathProgramCache]: Analyzing trace with hash -73972095, now seen corresponding path program 1 times [2024-10-14 20:38:20,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:20,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870153053] [2024-10-14 20:38:20,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:20,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:20,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669221258] [2024-10-14 20:38:20,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:20,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:20,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:20,349 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) [2024-10-14 20:38:20,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 20:38:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:20,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:20,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:38:20,433 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:20,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:20,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870153053] [2024-10-14 20:38:20,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:20,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669221258] [2024-10-14 20:38:20,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669221258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:20,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:20,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:20,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289642127] [2024-10-14 20:38:20,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:20,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:20,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:20,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:20,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:20,435 INFO L87 Difference]: Start difference. First operand 276 states and 356 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:38:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:21,174 INFO L93 Difference]: Finished difference Result 304 states and 363 transitions. [2024-10-14 20:38:21,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:21,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-10-14 20:38:21,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:21,176 INFO L225 Difference]: With dead ends: 304 [2024-10-14 20:38:21,176 INFO L226 Difference]: Without dead ends: 302 [2024-10-14 20:38:21,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:21,177 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 127 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:21,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 200 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:38:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-14 20:38:21,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 277. [2024-10-14 20:38:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5721649484536082) internal successors, (305), 249 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 355 transitions. [2024-10-14 20:38:21,190 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 355 transitions. Word has length 51 [2024-10-14 20:38:21,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:21,190 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 355 transitions. [2024-10-14 20:38:21,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:38:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 355 transitions. [2024-10-14 20:38:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-14 20:38:21,191 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:21,191 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:38:21,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:21,392 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,SelfDestructingSolverStorable10 [2024-10-14 20:38:21,392 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:21,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:21,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2001832436, now seen corresponding path program 1 times [2024-10-14 20:38:21,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:21,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616841151] [2024-10-14 20:38:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:21,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868865627] [2024-10-14 20:38:21,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:21,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:21,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:21,428 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) [2024-10-14 20:38:21,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 20:38:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:21,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:21,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-14 20:38:21,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:21,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:21,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616841151] [2024-10-14 20:38:21,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868865627] [2024-10-14 20:38:21,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868865627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:21,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:21,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:21,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027380527] [2024-10-14 20:38:21,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:21,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:21,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:21,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:21,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:21,548 INFO L87 Difference]: Start difference. First operand 277 states and 355 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:38:22,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:22,439 INFO L93 Difference]: Finished difference Result 304 states and 360 transitions. [2024-10-14 20:38:22,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:22,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-10-14 20:38:22,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:22,441 INFO L225 Difference]: With dead ends: 304 [2024-10-14 20:38:22,441 INFO L226 Difference]: Without dead ends: 302 [2024-10-14 20:38:22,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:22,442 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 126 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:22,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 203 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:38:22,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-14 20:38:22,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 278. [2024-10-14 20:38:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.558974358974359) internal successors, (304), 250 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 354 transitions. [2024-10-14 20:38:22,456 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 354 transitions. Word has length 52 [2024-10-14 20:38:22,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:22,456 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 354 transitions. [2024-10-14 20:38:22,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-14 20:38:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 354 transitions. [2024-10-14 20:38:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-14 20:38:22,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:22,460 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:22,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:22,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-14 20:38:22,660 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:22,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:22,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1959843167, now seen corresponding path program 1 times [2024-10-14 20:38:22,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:22,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010851563] [2024-10-14 20:38:22,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:22,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:22,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010851563] [2024-10-14 20:38:22,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010851563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:22,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:22,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:38:22,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979192027] [2024-10-14 20:38:22,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:22,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:38:22,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:22,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:38:22,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:22,765 INFO L87 Difference]: Start difference. First operand 278 states and 354 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:38:22,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:22,804 INFO L93 Difference]: Finished difference Result 278 states and 354 transitions. [2024-10-14 20:38:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:22,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 59 [2024-10-14 20:38:22,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:22,806 INFO L225 Difference]: With dead ends: 278 [2024-10-14 20:38:22,806 INFO L226 Difference]: Without dead ends: 276 [2024-10-14 20:38:22,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:22,807 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:22,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 206 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:38:22,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-14 20:38:22,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-14 20:38:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 195 states have (on average 1.528205128205128) internal successors, (298), 248 states have internal predecessors, (298), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 348 transitions. [2024-10-14 20:38:22,819 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 348 transitions. Word has length 59 [2024-10-14 20:38:22,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:22,820 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 348 transitions. [2024-10-14 20:38:22,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:38:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 348 transitions. [2024-10-14 20:38:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-14 20:38:22,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:22,821 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:22,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 20:38:22,821 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:22,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:22,821 INFO L85 PathProgramCache]: Analyzing trace with hash -625595905, now seen corresponding path program 1 times [2024-10-14 20:38:22,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:22,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565974016] [2024-10-14 20:38:22,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:22,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:22,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:22,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565974016] [2024-10-14 20:38:22,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565974016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:22,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:22,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:38:22,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348453358] [2024-10-14 20:38:22,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:22,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:38:22,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:22,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:38:22,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:22,903 INFO L87 Difference]: Start difference. First operand 276 states and 348 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:38:22,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:22,941 INFO L93 Difference]: Finished difference Result 276 states and 348 transitions. [2024-10-14 20:38:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:22,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-10-14 20:38:22,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:22,943 INFO L225 Difference]: With dead ends: 276 [2024-10-14 20:38:22,943 INFO L226 Difference]: Without dead ends: 274 [2024-10-14 20:38:22,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:22,943 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 45 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:22,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 205 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:38:22,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-14 20:38:22,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-10-14 20:38:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 195 states have (on average 1.4871794871794872) internal successors, (290), 246 states have internal predecessors, (290), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 340 transitions. [2024-10-14 20:38:22,955 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 340 transitions. Word has length 60 [2024-10-14 20:38:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:22,955 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 340 transitions. [2024-10-14 20:38:22,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 20:38:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 340 transitions. [2024-10-14 20:38:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:38:22,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:22,956 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:22,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 20:38:22,957 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:22,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:22,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2081391361, now seen corresponding path program 1 times [2024-10-14 20:38:22,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:22,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850151425] [2024-10-14 20:38:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:22,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:23,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:23,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850151425] [2024-10-14 20:38:23,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850151425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:23,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:23,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:38:23,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343871948] [2024-10-14 20:38:23,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:23,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:38:23,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:23,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:38:23,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:38:23,111 INFO L87 Difference]: Start difference. First operand 274 states and 340 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:38:23,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:23,617 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-10-14 20:38:23,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:38:23,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-10-14 20:38:23,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:23,620 INFO L225 Difference]: With dead ends: 277 [2024-10-14 20:38:23,620 INFO L226 Difference]: Without dead ends: 276 [2024-10-14 20:38:23,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:38:23,622 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 277 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:23,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 158 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:38:23,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-14 20:38:23,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-14 20:38:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 197 states have (on average 1.482233502538071) internal successors, (292), 248 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 342 transitions. [2024-10-14 20:38:23,635 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 342 transitions. Word has length 61 [2024-10-14 20:38:23,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:23,636 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 342 transitions. [2024-10-14 20:38:23,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:38:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 342 transitions. [2024-10-14 20:38:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:38:23,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:23,637 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:23,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 20:38:23,637 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:23,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:23,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2081405263, now seen corresponding path program 1 times [2024-10-14 20:38:23,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:23,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680131915] [2024-10-14 20:38:23,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:23,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:23,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:23,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680131915] [2024-10-14 20:38:23,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680131915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:23,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:23,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:38:23,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991068875] [2024-10-14 20:38:23,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:23,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:38:23,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:23,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:38:23,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:38:23,732 INFO L87 Difference]: Start difference. First operand 276 states and 342 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:38:24,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:24,336 INFO L93 Difference]: Finished difference Result 277 states and 342 transitions. [2024-10-14 20:38:24,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:38:24,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-10-14 20:38:24,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:24,338 INFO L225 Difference]: With dead ends: 277 [2024-10-14 20:38:24,339 INFO L226 Difference]: Without dead ends: 276 [2024-10-14 20:38:24,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:38:24,339 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 277 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:24,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 158 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:38:24,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-14 20:38:24,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2024-10-14 20:38:24,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 197 states have (on average 1.4771573604060915) internal successors, (291), 248 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:24,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 341 transitions. [2024-10-14 20:38:24,352 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 341 transitions. Word has length 61 [2024-10-14 20:38:24,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:24,353 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 341 transitions. [2024-10-14 20:38:24,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-14 20:38:24,353 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 341 transitions. [2024-10-14 20:38:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-14 20:38:24,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:24,354 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:24,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 20:38:24,354 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:24,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:24,355 INFO L85 PathProgramCache]: Analyzing trace with hash 287282565, now seen corresponding path program 1 times [2024-10-14 20:38:24,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:24,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627872614] [2024-10-14 20:38:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:24,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:24,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627872614] [2024-10-14 20:38:24,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627872614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:24,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:24,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:38:24,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922464164] [2024-10-14 20:38:24,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:24,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:38:24,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:24,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:38:24,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:24,464 INFO L87 Difference]: Start difference. First operand 276 states and 341 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:24,708 INFO L93 Difference]: Finished difference Result 333 states and 409 transitions. [2024-10-14 20:38:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:24,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2024-10-14 20:38:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:24,710 INFO L225 Difference]: With dead ends: 333 [2024-10-14 20:38:24,710 INFO L226 Difference]: Without dead ends: 329 [2024-10-14 20:38:24,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:38:24,711 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 43 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:24,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 145 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 20:38:24,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-10-14 20:38:24,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 286. [2024-10-14 20:38:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 207 states have (on average 1.458937198067633) internal successors, (302), 258 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:24,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 352 transitions. [2024-10-14 20:38:24,727 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 352 transitions. Word has length 64 [2024-10-14 20:38:24,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:24,727 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 352 transitions. [2024-10-14 20:38:24,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 352 transitions. [2024-10-14 20:38:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-14 20:38:24,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:24,728 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:38:24,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 20:38:24,729 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:24,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:24,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1909443445, now seen corresponding path program 1 times [2024-10-14 20:38:24,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:24,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011757700] [2024-10-14 20:38:24,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:24,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:24,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888782601] [2024-10-14 20:38:24,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:24,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:24,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:24,753 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) [2024-10-14 20:38:24,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 20:38:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:24,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:38:24,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:24,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:25,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:25,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011757700] [2024-10-14 20:38:25,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:25,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888782601] [2024-10-14 20:38:25,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888782601] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:25,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:25,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-14 20:38:25,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818176151] [2024-10-14 20:38:25,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:25,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:25,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:25,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:25,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:38:25,139 INFO L87 Difference]: Start difference. First operand 286 states and 352 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:25,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:25,466 INFO L93 Difference]: Finished difference Result 327 states and 403 transitions. [2024-10-14 20:38:25,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:25,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2024-10-14 20:38:25,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:25,468 INFO L225 Difference]: With dead ends: 327 [2024-10-14 20:38:25,468 INFO L226 Difference]: Without dead ends: 325 [2024-10-14 20:38:25,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:38:25,468 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:25,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 185 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:25,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-14 20:38:25,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 287. [2024-10-14 20:38:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4519230769230769) internal successors, (302), 259 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 352 transitions. [2024-10-14 20:38:25,482 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 352 transitions. Word has length 67 [2024-10-14 20:38:25,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:25,483 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 352 transitions. [2024-10-14 20:38:25,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:25,483 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 352 transitions. [2024-10-14 20:38:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-14 20:38:25,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:25,484 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-14 20:38:25,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:25,684 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,SelfDestructingSolverStorable17 [2024-10-14 20:38:25,684 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:25,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:25,685 INFO L85 PathProgramCache]: Analyzing trace with hash -936795298, now seen corresponding path program 1 times [2024-10-14 20:38:25,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:25,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481469877] [2024-10-14 20:38:25,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:25,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:25,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935887499] [2024-10-14 20:38:25,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:25,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:25,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:25,704 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) [2024-10-14 20:38:25,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-14 20:38:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:25,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:38:25,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:25,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:26,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:26,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481469877] [2024-10-14 20:38:26,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:26,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935887499] [2024-10-14 20:38:26,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935887499] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:26,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:26,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-14 20:38:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927145098] [2024-10-14 20:38:26,568 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:26,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:26,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:26,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:26,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:38:26,569 INFO L87 Difference]: Start difference. First operand 287 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:26,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:26,954 INFO L93 Difference]: Finished difference Result 327 states and 401 transitions. [2024-10-14 20:38:26,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:38:26,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2024-10-14 20:38:26,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:26,956 INFO L225 Difference]: With dead ends: 327 [2024-10-14 20:38:26,956 INFO L226 Difference]: Without dead ends: 325 [2024-10-14 20:38:26,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 20:38:26,957 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 36 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:26,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 189 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:38:26,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-14 20:38:26,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 288. [2024-10-14 20:38:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.444976076555024) internal successors, (302), 260 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 352 transitions. [2024-10-14 20:38:26,972 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 352 transitions. Word has length 68 [2024-10-14 20:38:26,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:26,972 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 352 transitions. [2024-10-14 20:38:26,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 352 transitions. [2024-10-14 20:38:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 20:38:26,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:26,973 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:26,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:27,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:27,178 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:27,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:27,179 INFO L85 PathProgramCache]: Analyzing trace with hash 169429588, now seen corresponding path program 1 times [2024-10-14 20:38:27,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:27,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698654454] [2024-10-14 20:38:27,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:27,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 20:38:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:38:27,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:27,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698654454] [2024-10-14 20:38:27,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698654454] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:27,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74406796] [2024-10-14 20:38:27,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:27,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:27,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:27,371 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) [2024-10-14 20:38:27,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-14 20:38:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:27,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:38:27,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:38:27,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:27,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74406796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:27,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:27,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-14 20:38:27,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262432269] [2024-10-14 20:38:27,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:27,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:27,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:27,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:27,600 INFO L87 Difference]: Start difference. First operand 288 states and 352 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-14 20:38:28,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:28,215 INFO L93 Difference]: Finished difference Result 324 states and 399 transitions. [2024-10-14 20:38:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:38:28,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 72 [2024-10-14 20:38:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:28,218 INFO L225 Difference]: With dead ends: 324 [2024-10-14 20:38:28,218 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:38:28,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:38:28,219 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:28,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 135 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:38:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:38:28,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 289. [2024-10-14 20:38:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.438095238095238) internal successors, (302), 261 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:28,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 352 transitions. [2024-10-14 20:38:28,235 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 352 transitions. Word has length 72 [2024-10-14 20:38:28,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:28,235 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 352 transitions. [2024-10-14 20:38:28,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-10-14 20:38:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 352 transitions. [2024-10-14 20:38:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 20:38:28,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:28,236 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1] [2024-10-14 20:38:28,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:28,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:28,441 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:28,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:28,441 INFO L85 PathProgramCache]: Analyzing trace with hash 628819385, now seen corresponding path program 1 times [2024-10-14 20:38:28,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:28,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457957631] [2024-10-14 20:38:28,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:28,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:28,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1117354032] [2024-10-14 20:38:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:28,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:28,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:28,463 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) [2024-10-14 20:38:28,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-14 20:38:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:28,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:28,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-14 20:38:28,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:28,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:28,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457957631] [2024-10-14 20:38:28,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:28,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117354032] [2024-10-14 20:38:28,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117354032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:28,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:28,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:28,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875605935] [2024-10-14 20:38:28,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:28,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:28,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:28,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:28,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:28,572 INFO L87 Difference]: Start difference. First operand 289 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:29,083 INFO L93 Difference]: Finished difference Result 340 states and 397 transitions. [2024-10-14 20:38:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:29,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-10-14 20:38:29,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:29,085 INFO L225 Difference]: With dead ends: 340 [2024-10-14 20:38:29,085 INFO L226 Difference]: Without dead ends: 339 [2024-10-14 20:38:29,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:29,086 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 110 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:29,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 166 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:38:29,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-14 20:38:29,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 289. [2024-10-14 20:38:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 261 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 351 transitions. [2024-10-14 20:38:29,101 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 351 transitions. Word has length 71 [2024-10-14 20:38:29,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:29,102 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 351 transitions. [2024-10-14 20:38:29,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 351 transitions. [2024-10-14 20:38:29,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-14 20:38:29,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:29,103 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:29,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-14 20:38:29,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:29,304 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:29,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:29,304 INFO L85 PathProgramCache]: Analyzing trace with hash 957350077, now seen corresponding path program 1 times [2024-10-14 20:38:29,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:29,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305134657] [2024-10-14 20:38:29,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:38:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:38:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:38:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:38:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:38:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:38:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:38:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 20:38:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:38:29,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:29,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305134657] [2024-10-14 20:38:29,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305134657] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:29,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647261750] [2024-10-14 20:38:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:29,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:29,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:29,536 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) [2024-10-14 20:38:29,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-14 20:38:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:29,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:38:29,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:38:29,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:29,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647261750] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:29,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:29,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-14 20:38:29,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740323715] [2024-10-14 20:38:29,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:29,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:29,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:29,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:29,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:38:29,775 INFO L87 Difference]: Start difference. First operand 289 states and 351 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-14 20:38:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:30,400 INFO L93 Difference]: Finished difference Result 324 states and 396 transitions. [2024-10-14 20:38:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:30,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 73 [2024-10-14 20:38:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:30,402 INFO L225 Difference]: With dead ends: 324 [2024-10-14 20:38:30,402 INFO L226 Difference]: Without dead ends: 323 [2024-10-14 20:38:30,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:38:30,402 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:30,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 139 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:38:30,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-14 20:38:30,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 290. [2024-10-14 20:38:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4265402843601895) internal successors, (301), 262 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 351 transitions. [2024-10-14 20:38:30,418 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 351 transitions. Word has length 73 [2024-10-14 20:38:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:30,419 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 351 transitions. [2024-10-14 20:38:30,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-14 20:38:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 351 transitions. [2024-10-14 20:38:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 20:38:30,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:30,420 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:30,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-14 20:38:30,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:30,621 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:30,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:30,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1981435486, now seen corresponding path program 1 times [2024-10-14 20:38:30,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:30,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489778750] [2024-10-14 20:38:30,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:30,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:30,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [913555407] [2024-10-14 20:38:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:30,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:30,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:30,639 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) [2024-10-14 20:38:30,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-14 20:38:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:30,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:38:30,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-14 20:38:30,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:38:30,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:30,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489778750] [2024-10-14 20:38:30,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:30,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913555407] [2024-10-14 20:38:30,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913555407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:38:30,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:38:30,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:38:30,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226281471] [2024-10-14 20:38:30,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:38:30,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:38:30,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:30,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:38:30,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:30,871 INFO L87 Difference]: Start difference. First operand 290 states and 351 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:31,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:31,534 INFO L93 Difference]: Finished difference Result 342 states and 394 transitions. [2024-10-14 20:38:31,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:38:31,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-10-14 20:38:31,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:31,536 INFO L225 Difference]: With dead ends: 342 [2024-10-14 20:38:31,536 INFO L226 Difference]: Without dead ends: 339 [2024-10-14 20:38:31,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:38:31,537 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 110 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:31,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 172 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:38:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-14 20:38:31,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 293. [2024-10-14 20:38:31,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 214 states have (on average 1.4205607476635513) internal successors, (304), 265 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-14 20:38:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 354 transitions. [2024-10-14 20:38:31,552 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 354 transitions. Word has length 72 [2024-10-14 20:38:31,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:31,553 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 354 transitions. [2024-10-14 20:38:31,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:38:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 354 transitions. [2024-10-14 20:38:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 20:38:31,554 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:31,554 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:38:31,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-14 20:38:31,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:31,755 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:31,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:31,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1002095526, now seen corresponding path program 1 times [2024-10-14 20:38:31,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:31,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720215718] [2024-10-14 20:38:31,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:31,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675359580] [2024-10-14 20:38:31,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:31,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:31,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:31,774 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) [2024-10-14 20:38:31,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-14 20:38:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:31,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:31,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:32,227 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:32,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:33,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:33,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720215718] [2024-10-14 20:38:33,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:33,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675359580] [2024-10-14 20:38:33,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675359580] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:33,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:33,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:33,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198216000] [2024-10-14 20:38:33,659 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:33,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:33,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:33,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=101, Unknown=1, NotChecked=0, Total=132 [2024-10-14 20:38:33,660 INFO L87 Difference]: Start difference. First operand 293 states and 354 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:34,525 INFO L93 Difference]: Finished difference Result 457 states and 586 transitions. [2024-10-14 20:38:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:38:34,525 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 78 [2024-10-14 20:38:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:34,527 INFO L225 Difference]: With dead ends: 457 [2024-10-14 20:38:34,527 INFO L226 Difference]: Without dead ends: 455 [2024-10-14 20:38:34,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=55, Invalid=154, Unknown=1, NotChecked=0, Total=210 [2024-10-14 20:38:34,528 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 316 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:34,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 361 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:38:34,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-10-14 20:38:34,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 363. [2024-10-14 20:38:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 276 states have (on average 1.4565217391304348) internal successors, (402), 327 states have internal predecessors, (402), 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) [2024-10-14 20:38:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 468 transitions. [2024-10-14 20:38:34,547 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 468 transitions. Word has length 78 [2024-10-14 20:38:34,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:34,548 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 468 transitions. [2024-10-14 20:38:34,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 468 transitions. [2024-10-14 20:38:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 20:38:34,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:34,549 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:38:34,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:34,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:34,754 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:34,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:34,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1000190298, now seen corresponding path program 1 times [2024-10-14 20:38:34,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:34,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625215852] [2024-10-14 20:38:34,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:34,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233606243] [2024-10-14 20:38:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:34,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:34,768 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) [2024-10-14 20:38:34,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-14 20:38:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:34,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:34,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:35,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:36,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:36,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625215852] [2024-10-14 20:38:36,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:36,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233606243] [2024-10-14 20:38:36,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233606243] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:36,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:36,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:36,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554675455] [2024-10-14 20:38:36,005 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:36,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:36,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:36,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:36,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:36,006 INFO L87 Difference]: Start difference. First operand 363 states and 468 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:36,798 INFO L93 Difference]: Finished difference Result 477 states and 616 transitions. [2024-10-14 20:38:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 20:38:36,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-10-14 20:38:36,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:36,801 INFO L225 Difference]: With dead ends: 477 [2024-10-14 20:38:36,801 INFO L226 Difference]: Without dead ends: 470 [2024-10-14 20:38:36,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:38:36,801 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 577 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:36,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 339 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:38:36,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-10-14 20:38:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 423. [2024-10-14 20:38:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 330 states have (on average 1.4878787878787878) internal successors, (491), 381 states have internal predecessors, (491), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 20:38:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 569 transitions. [2024-10-14 20:38:36,823 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 569 transitions. Word has length 79 [2024-10-14 20:38:36,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:36,823 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 569 transitions. [2024-10-14 20:38:36,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 569 transitions. [2024-10-14 20:38:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 20:38:36,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:36,825 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:38:36,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:37,028 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,SelfDestructingSolverStorable24 [2024-10-14 20:38:37,029 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:37,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:37,029 INFO L85 PathProgramCache]: Analyzing trace with hash 941128232, now seen corresponding path program 1 times [2024-10-14 20:38:37,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:37,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633949212] [2024-10-14 20:38:37,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:37,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497629643] [2024-10-14 20:38:37,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:37,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:37,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:37,048 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) [2024-10-14 20:38:37,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-14 20:38:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:37,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:37,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:37,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:37,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:37,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633949212] [2024-10-14 20:38:37,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:37,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497629643] [2024-10-14 20:38:37,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497629643] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:37,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:37,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:37,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649999571] [2024-10-14 20:38:37,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:37,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:37,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:37,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:37,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:37,648 INFO L87 Difference]: Start difference. First operand 423 states and 569 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:38,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:38,450 INFO L93 Difference]: Finished difference Result 469 states and 602 transitions. [2024-10-14 20:38:38,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:38:38,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2024-10-14 20:38:38,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:38,453 INFO L225 Difference]: With dead ends: 469 [2024-10-14 20:38:38,453 INFO L226 Difference]: Without dead ends: 463 [2024-10-14 20:38:38,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:38:38,454 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 534 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:38,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 234 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:38:38,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-14 20:38:38,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 421. [2024-10-14 20:38:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 379 states have internal predecessors, (475), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-10-14 20:38:38,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 553 transitions. [2024-10-14 20:38:38,475 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 553 transitions. Word has length 80 [2024-10-14 20:38:38,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:38,475 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 553 transitions. [2024-10-14 20:38:38,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 553 transitions. [2024-10-14 20:38:38,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 20:38:38,476 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:38,476 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:38:38,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-14 20:38:38,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 20:38:38,680 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:38,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:38,680 INFO L85 PathProgramCache]: Analyzing trace with hash -889795812, now seen corresponding path program 1 times [2024-10-14 20:38:38,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:38,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693340220] [2024-10-14 20:38:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:38,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647699819] [2024-10-14 20:38:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:38,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:38,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:38,696 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) [2024-10-14 20:38:38,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-14 20:38:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:38,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:38:38,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:39,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:39,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:39,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693340220] [2024-10-14 20:38:39,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:39,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647699819] [2024-10-14 20:38:39,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647699819] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:39,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:39,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-14 20:38:39,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89726491] [2024-10-14 20:38:39,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:39,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 20:38:39,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:39,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 20:38:39,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:39,871 INFO L87 Difference]: Start difference. First operand 421 states and 553 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:40,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:40,814 INFO L93 Difference]: Finished difference Result 523 states and 688 transitions. [2024-10-14 20:38:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:38:40,815 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 81 [2024-10-14 20:38:40,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:40,816 INFO L225 Difference]: With dead ends: 523 [2024-10-14 20:38:40,816 INFO L226 Difference]: Without dead ends: 521 [2024-10-14 20:38:40,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-10-14 20:38:40,817 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 315 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:40,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 315 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 20:38:40,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-10-14 20:38:40,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 456. [2024-10-14 20:38:40,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 359 states have (on average 1.4428969359331476) internal successors, (518), 410 states have internal predecessors, (518), 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) [2024-10-14 20:38:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 604 transitions. [2024-10-14 20:38:40,857 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 604 transitions. Word has length 81 [2024-10-14 20:38:40,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:40,857 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 604 transitions. [2024-10-14 20:38:40,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-14 20:38:40,857 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 604 transitions. [2024-10-14 20:38:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-14 20:38:40,858 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:40,858 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-10-14 20:38:40,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:41,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 20:38:41,059 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:41,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:41,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1813866326, now seen corresponding path program 1 times [2024-10-14 20:38:41,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:41,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384262681] [2024-10-14 20:38:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:41,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:41,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823483576] [2024-10-14 20:38:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:41,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:41,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:41,082 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) [2024-10-14 20:38:41,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-14 20:38:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:41,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-14 20:38:41,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 20:38:41,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-14 20:38:42,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:42,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384262681] [2024-10-14 20:38:42,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:42,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823483576] [2024-10-14 20:38:42,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823483576] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:42,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:38:42,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2024-10-14 20:38:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981505157] [2024-10-14 20:38:42,979 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:42,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:38:42,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:42,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:38:42,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:38:42,980 INFO L87 Difference]: Start difference. First operand 456 states and 604 transitions. Second operand has 14 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-14 20:38:47,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:47,481 INFO L93 Difference]: Finished difference Result 577 states and 776 transitions. [2024-10-14 20:38:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 20:38:47,482 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 82 [2024-10-14 20:38:47,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:47,484 INFO L225 Difference]: With dead ends: 577 [2024-10-14 20:38:47,484 INFO L226 Difference]: Without dead ends: 571 [2024-10-14 20:38:47,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2024-10-14 20:38:47,485 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 515 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:47,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 325 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-14 20:38:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-10-14 20:38:47,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 529. [2024-10-14 20:38:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 428 states have (on average 1.4065420560747663) internal successors, (602), 478 states have internal predecessors, (602), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-14 20:38:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 698 transitions. [2024-10-14 20:38:47,528 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 698 transitions. Word has length 82 [2024-10-14 20:38:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:47,529 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 698 transitions. [2024-10-14 20:38:47,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-10-14 20:38:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 698 transitions. [2024-10-14 20:38:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-14 20:38:47,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:47,530 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:47,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-10-14 20:38:47,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:47,730 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:47,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:47,731 INFO L85 PathProgramCache]: Analyzing trace with hash -979740629, now seen corresponding path program 1 times [2024-10-14 20:38:47,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:47,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360592344] [2024-10-14 20:38:47,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:47,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:47,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [642740170] [2024-10-14 20:38:47,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:47,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:47,746 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) [2024-10-14 20:38:47,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-14 20:38:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:47,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:38:47,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:38:48,206 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:49,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360592344] [2024-10-14 20:38:49,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:49,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642740170] [2024-10-14 20:38:49,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642740170] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:49,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:49,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:38:49,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341753581] [2024-10-14 20:38:49,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:49,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:38:49,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:49,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:38:49,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=139, Unknown=1, NotChecked=0, Total=182 [2024-10-14 20:38:49,775 INFO L87 Difference]: Start difference. First operand 529 states and 698 transitions. Second operand has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2024-10-14 20:38:50,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:50,464 INFO L93 Difference]: Finished difference Result 665 states and 892 transitions. [2024-10-14 20:38:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:38:50,464 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 89 [2024-10-14 20:38:50,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:50,467 INFO L225 Difference]: With dead ends: 665 [2024-10-14 20:38:50,467 INFO L226 Difference]: Without dead ends: 663 [2024-10-14 20:38:50,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=95, Invalid=246, Unknown=1, NotChecked=0, Total=342 [2024-10-14 20:38:50,468 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 500 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:50,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 324 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 20:38:50,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-14 20:38:50,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 632. [2024-10-14 20:38:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 520 states have (on average 1.4307692307692308) internal successors, (744), 570 states have internal predecessors, (744), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 20:38:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 862 transitions. [2024-10-14 20:38:50,506 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 862 transitions. Word has length 89 [2024-10-14 20:38:50,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:50,506 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 862 transitions. [2024-10-14 20:38:50,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2024-10-14 20:38:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 862 transitions. [2024-10-14 20:38:50,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 20:38:50,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:50,507 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:50,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:50,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-14 20:38:50,708 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:50,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:50,709 INFO L85 PathProgramCache]: Analyzing trace with hash -307188350, now seen corresponding path program 1 times [2024-10-14 20:38:50,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:50,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567247007] [2024-10-14 20:38:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:50,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:50,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450156613] [2024-10-14 20:38:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:50,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:50,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:50,723 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) [2024-10-14 20:38:50,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-14 20:38:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:50,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 20:38:50,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-14 20:38:51,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:51,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:51,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567247007] [2024-10-14 20:38:51,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:51,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450156613] [2024-10-14 20:38:51,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450156613] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:51,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:51,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-14 20:38:51,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994657903] [2024-10-14 20:38:51,695 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:51,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:38:51,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:51,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:38:51,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:38:51,696 INFO L87 Difference]: Start difference. First operand 632 states and 862 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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) [2024-10-14 20:38:52,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:52,518 INFO L93 Difference]: Finished difference Result 667 states and 895 transitions. [2024-10-14 20:38:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 20:38:52,518 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 90 [2024-10-14 20:38:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:52,520 INFO L225 Difference]: With dead ends: 667 [2024-10-14 20:38:52,520 INFO L226 Difference]: Without dead ends: 660 [2024-10-14 20:38:52,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2024-10-14 20:38:52,521 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 575 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:52,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 295 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:38:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-10-14 20:38:52,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 626. [2024-10-14 20:38:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 520 states have (on average 1.398076923076923) internal successors, (727), 564 states have internal predecessors, (727), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 20:38:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 845 transitions. [2024-10-14 20:38:52,562 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 845 transitions. Word has length 90 [2024-10-14 20:38:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:52,562 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 845 transitions. [2024-10-14 20:38:52,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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) [2024-10-14 20:38:52,563 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 845 transitions. [2024-10-14 20:38:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-14 20:38:52,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:52,563 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:52,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:52,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:52,764 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:52,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:52,764 INFO L85 PathProgramCache]: Analyzing trace with hash -932904179, now seen corresponding path program 1 times [2024-10-14 20:38:52,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:52,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689041745] [2024-10-14 20:38:52,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:52,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:52,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515733868] [2024-10-14 20:38:52,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:52,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:52,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:52,780 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) [2024-10-14 20:38:52,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-14 20:38:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:52,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:38:52,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:38:53,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:53,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:53,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689041745] [2024-10-14 20:38:53,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:53,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515733868] [2024-10-14 20:38:53,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515733868] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:53,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:53,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:38:53,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777124185] [2024-10-14 20:38:53,253 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:53,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:38:53,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:53,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:38:53,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:53,254 INFO L87 Difference]: Start difference. First operand 626 states and 845 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:53,595 INFO L93 Difference]: Finished difference Result 626 states and 845 transitions. [2024-10-14 20:38:53,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:38:53,595 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 91 [2024-10-14 20:38:53,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:53,597 INFO L225 Difference]: With dead ends: 626 [2024-10-14 20:38:53,597 INFO L226 Difference]: Without dead ends: 620 [2024-10-14 20:38:53,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:53,598 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 97 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:53,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 178 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:53,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-10-14 20:38:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 545. [2024-10-14 20:38:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 452 states have (on average 1.331858407079646) internal successors, (602), 490 states have internal predecessors, (602), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 20:38:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 706 transitions. [2024-10-14 20:38:53,635 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 706 transitions. Word has length 91 [2024-10-14 20:38:53,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:53,636 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 706 transitions. [2024-10-14 20:38:53,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 706 transitions. [2024-10-14 20:38:53,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 20:38:53,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:53,637 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:38:53,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:53,837 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,SelfDestructingSolverStorable30 [2024-10-14 20:38:53,838 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:53,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:53,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1144741604, now seen corresponding path program 1 times [2024-10-14 20:38:53,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:53,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856709422] [2024-10-14 20:38:53,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:53,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:53,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93631963] [2024-10-14 20:38:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:53,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:53,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:53,858 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) [2024-10-14 20:38:53,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-14 20:38:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:53,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:38:53,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-14 20:38:54,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:54,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856709422] [2024-10-14 20:38:54,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93631963] [2024-10-14 20:38:54,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93631963] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:38:54,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:38:54,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-14 20:38:54,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27558445] [2024-10-14 20:38:54,869 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:54,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:38:54,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:54,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:38:54,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:54,870 INFO L87 Difference]: Start difference. First operand 545 states and 706 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:55,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:38:55,219 INFO L93 Difference]: Finished difference Result 650 states and 849 transitions. [2024-10-14 20:38:55,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 20:38:55,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 92 [2024-10-14 20:38:55,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:38:55,222 INFO L225 Difference]: With dead ends: 650 [2024-10-14 20:38:55,222 INFO L226 Difference]: Without dead ends: 648 [2024-10-14 20:38:55,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:38:55,223 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 280 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:38:55,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 250 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:38:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-10-14 20:38:55,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 600. [2024-10-14 20:38:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 501 states have (on average 1.3572854291417165) internal successors, (680), 539 states have internal predecessors, (680), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-14 20:38:55,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 796 transitions. [2024-10-14 20:38:55,267 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 796 transitions. Word has length 92 [2024-10-14 20:38:55,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:38:55,268 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 796 transitions. [2024-10-14 20:38:55,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-14 20:38:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 796 transitions. [2024-10-14 20:38:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-14 20:38:55,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:38:55,269 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-10-14 20:38:55,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-14 20:38:55,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:55,469 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:38:55,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:38:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1127251439, now seen corresponding path program 1 times [2024-10-14 20:38:55,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:38:55,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090508593] [2024-10-14 20:38:55,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:55,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:38:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:38:55,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631920888] [2024-10-14 20:38:55,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:38:55,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:38:55,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:38:55,486 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) [2024-10-14 20:38:55,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-14 20:38:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:38:55,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 20:38:55,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:38:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:38:55,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:38:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 20:38:56,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:38:56,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090508593] [2024-10-14 20:38:56,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:38:56,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631920888] [2024-10-14 20:38:56,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631920888] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:38:56,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:38:56,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-14 20:38:56,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723998227] [2024-10-14 20:38:56,959 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:38:56,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 20:38:56,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:38:56,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 20:38:56,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:38:56,960 INFO L87 Difference]: Start difference. First operand 600 states and 796 transitions. Second operand has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:39:01,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:01,002 INFO L93 Difference]: Finished difference Result 675 states and 896 transitions. [2024-10-14 20:39:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 20:39:01,003 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 93 [2024-10-14 20:39:01,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:01,005 INFO L225 Difference]: With dead ends: 675 [2024-10-14 20:39:01,005 INFO L226 Difference]: Without dead ends: 644 [2024-10-14 20:39:01,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-10-14 20:39:01,006 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 525 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:01,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 272 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-14 20:39:01,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-10-14 20:39:01,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 623. [2024-10-14 20:39:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 524 states have (on average 1.3625954198473282) internal successors, (714), 561 states have internal predecessors, (714), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-14 20:39:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 832 transitions. [2024-10-14 20:39:01,045 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 832 transitions. Word has length 93 [2024-10-14 20:39:01,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:01,045 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 832 transitions. [2024-10-14 20:39:01,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.090909090909092) internal successors, (100), 12 states have internal predecessors, (100), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-14 20:39:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 832 transitions. [2024-10-14 20:39:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 20:39:01,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:01,046 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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] [2024-10-14 20:39:01,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-14 20:39:01,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:01,247 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:01,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:01,247 INFO L85 PathProgramCache]: Analyzing trace with hash 585056326, now seen corresponding path program 1 times [2024-10-14 20:39:01,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:01,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307157453] [2024-10-14 20:39:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:01,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:01,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447786265] [2024-10-14 20:39:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:01,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:01,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:01,261 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) [2024-10-14 20:39:01,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-14 20:39:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:01,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-14 20:39:01,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:39:01,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-14 20:39:02,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:02,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307157453] [2024-10-14 20:39:02,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:02,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447786265] [2024-10-14 20:39:02,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447786265] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:02,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 20:39:02,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-10-14 20:39:02,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766875634] [2024-10-14 20:39:02,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:02,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-14 20:39:02,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:02,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-14 20:39:02,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-10-14 20:39:02,888 INFO L87 Difference]: Start difference. First operand 623 states and 832 transitions. Second operand has 19 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-14 20:39:08,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 20:39:11,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 20:39:13,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-14 20:39:13,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:13,756 INFO L93 Difference]: Finished difference Result 781 states and 1062 transitions. [2024-10-14 20:39:13,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 20:39:13,756 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) Word has length 94 [2024-10-14 20:39:13,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:13,759 INFO L225 Difference]: With dead ends: 781 [2024-10-14 20:39:13,759 INFO L226 Difference]: Without dead ends: 779 [2024-10-14 20:39:13,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2024-10-14 20:39:13,759 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 738 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:13,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 478 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2024-10-14 20:39:13,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-10-14 20:39:13,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 692. [2024-10-14 20:39:13,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 588 states have (on average 1.3775510204081634) internal successors, (810), 624 states have internal predecessors, (810), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-14 20:39:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 940 transitions. [2024-10-14 20:39:13,820 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 940 transitions. Word has length 94 [2024-10-14 20:39:13,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:13,820 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 940 transitions. [2024-10-14 20:39:13,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 15 states have internal predecessors, (112), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-10-14 20:39:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 940 transitions. [2024-10-14 20:39:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:39:13,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:13,821 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:13,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-14 20:39:14,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:14,026 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:14,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:14,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1942787823, now seen corresponding path program 1 times [2024-10-14 20:39:14,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:14,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250841459] [2024-10-14 20:39:14,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:14,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:39:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:39:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:39:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:39:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:39:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:39:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:14,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250841459] [2024-10-14 20:39:14,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250841459] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335000787] [2024-10-14 20:39:14,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:14,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:14,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:14,129 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) [2024-10-14 20:39:14,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-14 20:39:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:14,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:39:14,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:14,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:14,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335000787] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:14,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:39:14,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-10-14 20:39:14,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749024771] [2024-10-14 20:39:14,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:14,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:39:14,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:14,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:39:14,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:39:14,479 INFO L87 Difference]: Start difference. First operand 692 states and 940 transitions. Second operand has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 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) [2024-10-14 20:39:15,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:15,651 INFO L93 Difference]: Finished difference Result 1026 states and 1378 transitions. [2024-10-14 20:39:15,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-14 20:39:15,651 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 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 103 [2024-10-14 20:39:15,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:15,655 INFO L225 Difference]: With dead ends: 1026 [2024-10-14 20:39:15,655 INFO L226 Difference]: Without dead ends: 1025 [2024-10-14 20:39:15,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-10-14 20:39:15,657 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 1136 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:15,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 606 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:39:15,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2024-10-14 20:39:15,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 803. [2024-10-14 20:39:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 687 states have (on average 1.4032023289665212) internal successors, (964), 723 states have internal predecessors, (964), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-10-14 20:39:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1118 transitions. [2024-10-14 20:39:15,760 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1118 transitions. Word has length 103 [2024-10-14 20:39:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:15,761 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1118 transitions. [2024-10-14 20:39:15,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 14 states have internal predecessors, (165), 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) [2024-10-14 20:39:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1118 transitions. [2024-10-14 20:39:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-14 20:39:15,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:15,763 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:15,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:15,963 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,SelfDestructingSolverStorable34 [2024-10-14 20:39:15,963 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:15,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash -183187217, now seen corresponding path program 1 times [2024-10-14 20:39:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:15,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402132704] [2024-10-14 20:39:15,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:15,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:39:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:39:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:39:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:39:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:39:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:39:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:16,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:16,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402132704] [2024-10-14 20:39:16,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402132704] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:16,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225905258] [2024-10-14 20:39:16,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:16,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:16,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:16,063 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) [2024-10-14 20:39:16,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-14 20:39:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:16,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:39:16,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:16,317 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:16,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225905258] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:16,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:39:16,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-14 20:39:16,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801576385] [2024-10-14 20:39:16,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:16,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 20:39:16,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:16,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 20:39:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:39:16,472 INFO L87 Difference]: Start difference. First operand 803 states and 1118 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-10-14 20:39:17,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:17,869 INFO L93 Difference]: Finished difference Result 1327 states and 1811 transitions. [2024-10-14 20:39:17,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-14 20:39:17,869 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 103 [2024-10-14 20:39:17,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:17,873 INFO L225 Difference]: With dead ends: 1327 [2024-10-14 20:39:17,873 INFO L226 Difference]: Without dead ends: 1326 [2024-10-14 20:39:17,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 20:39:17,874 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 793 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:17,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 535 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:39:17,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-10-14 20:39:17,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1022. [2024-10-14 20:39:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 885 states have (on average 1.4350282485875707) internal successors, (1270), 921 states have internal predecessors, (1270), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-14 20:39:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1466 transitions. [2024-10-14 20:39:17,943 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1466 transitions. Word has length 103 [2024-10-14 20:39:17,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:17,943 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1466 transitions. [2024-10-14 20:39:17,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-10-14 20:39:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1466 transitions. [2024-10-14 20:39:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 20:39:17,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:17,945 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:17,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-14 20:39:18,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-14 20:39:18,145 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:18,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:18,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1383405355, now seen corresponding path program 1 times [2024-10-14 20:39:18,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:18,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797630919] [2024-10-14 20:39:18,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:18,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:39:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:39:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:39:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:39:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:39:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:39:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:18,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:18,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797630919] [2024-10-14 20:39:18,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797630919] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:18,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145769276] [2024-10-14 20:39:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:18,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:18,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:18,255 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) [2024-10-14 20:39:18,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-14 20:39:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:18,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:18,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:18,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:18,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145769276] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:18,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:39:18,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-14 20:39:18,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882612614] [2024-10-14 20:39:18,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:18,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:39:18,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:18,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:39:18,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:18,558 INFO L87 Difference]: Start difference. First operand 1022 states and 1466 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:39:19,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:19,193 INFO L93 Difference]: Finished difference Result 1567 states and 2254 transitions. [2024-10-14 20:39:19,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:39:19,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 104 [2024-10-14 20:39:19,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:19,198 INFO L225 Difference]: With dead ends: 1567 [2024-10-14 20:39:19,198 INFO L226 Difference]: Without dead ends: 1565 [2024-10-14 20:39:19,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:39:19,199 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 266 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:19,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 330 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:19,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-10-14 20:39:19,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1297. [2024-10-14 20:39:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1133 states have (on average 1.4466019417475728) internal successors, (1639), 1169 states have internal predecessors, (1639), 125 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2024-10-14 20:39:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1889 transitions. [2024-10-14 20:39:19,309 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1889 transitions. Word has length 104 [2024-10-14 20:39:19,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:19,309 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1889 transitions. [2024-10-14 20:39:19,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:39:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1889 transitions. [2024-10-14 20:39:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-14 20:39:19,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:19,310 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:19,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-14 20:39:19,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:19,510 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:19,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:19,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1801301019, now seen corresponding path program 1 times [2024-10-14 20:39:19,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:19,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190527852] [2024-10-14 20:39:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:39:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:39:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:39:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:39:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:39:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:39:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:19,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:19,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190527852] [2024-10-14 20:39:19,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190527852] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:19,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662701015] [2024-10-14 20:39:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:19,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:19,604 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) [2024-10-14 20:39:19,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-14 20:39:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:19,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:39:19,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:19,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:19,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662701015] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:19,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:39:19,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-14 20:39:19,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039145055] [2024-10-14 20:39:19,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:19,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 20:39:19,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:19,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 20:39:19,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:19,899 INFO L87 Difference]: Start difference. First operand 1297 states and 1889 transitions. Second operand has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:39:20,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:20,741 INFO L93 Difference]: Finished difference Result 1839 states and 2686 transitions. [2024-10-14 20:39:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:39:20,742 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 106 [2024-10-14 20:39:20,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:20,746 INFO L225 Difference]: With dead ends: 1839 [2024-10-14 20:39:20,746 INFO L226 Difference]: Without dead ends: 1837 [2024-10-14 20:39:20,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:39:20,747 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 264 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:20,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 314 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:39:20,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2024-10-14 20:39:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1490. [2024-10-14 20:39:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1307 states have (on average 1.4422341239479723) internal successors, (1885), 1343 states have internal predecessors, (1885), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-14 20:39:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2173 transitions. [2024-10-14 20:39:20,883 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2173 transitions. Word has length 106 [2024-10-14 20:39:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:20,884 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2173 transitions. [2024-10-14 20:39:20,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-10-14 20:39:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2173 transitions. [2024-10-14 20:39:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 20:39:20,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:20,885 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:20,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-14 20:39:21,085 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,SelfDestructingSolverStorable37 [2024-10-14 20:39:21,086 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:21,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:21,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2107109653, now seen corresponding path program 1 times [2024-10-14 20:39:21,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:21,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608658552] [2024-10-14 20:39:21,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:21,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528758711] [2024-10-14 20:39:21,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:21,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:21,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:21,108 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) [2024-10-14 20:39:21,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-14 20:39:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:21,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 20:39:21,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:21,510 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:21,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:21,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608658552] [2024-10-14 20:39:21,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:21,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528758711] [2024-10-14 20:39:21,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528758711] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:21,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:21,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:39:21,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005086938] [2024-10-14 20:39:21,589 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:21,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:39:21,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:21,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:39:21,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:21,590 INFO L87 Difference]: Start difference. First operand 1490 states and 2173 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:22,285 INFO L93 Difference]: Finished difference Result 1576 states and 2283 transitions. [2024-10-14 20:39:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 20:39:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 109 [2024-10-14 20:39:22,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:22,291 INFO L225 Difference]: With dead ends: 1576 [2024-10-14 20:39:22,291 INFO L226 Difference]: Without dead ends: 1572 [2024-10-14 20:39:22,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-10-14 20:39:22,292 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 151 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:22,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 264 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:22,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2024-10-14 20:39:22,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1486. [2024-10-14 20:39:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1307 states have (on average 1.3871461361897475) internal successors, (1813), 1339 states have internal predecessors, (1813), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-14 20:39:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2101 transitions. [2024-10-14 20:39:22,393 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2101 transitions. Word has length 109 [2024-10-14 20:39:22,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:22,393 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 2101 transitions. [2024-10-14 20:39:22,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2101 transitions. [2024-10-14 20:39:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 20:39:22,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:22,394 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1] [2024-10-14 20:39:22,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-14 20:39:22,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-14 20:39:22,595 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:22,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:22,595 INFO L85 PathProgramCache]: Analyzing trace with hash 895889854, now seen corresponding path program 1 times [2024-10-14 20:39:22,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:22,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368092886] [2024-10-14 20:39:22,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:22,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:22,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714113937] [2024-10-14 20:39:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:22,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:22,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:22,610 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:22,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-14 20:39:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:22,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:22,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:22,980 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:23,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:23,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368092886] [2024-10-14 20:39:23,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:23,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714113937] [2024-10-14 20:39:23,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714113937] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:23,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:23,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:39:23,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386209631] [2024-10-14 20:39:23,165 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:23,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:39:23,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:39:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:23,166 INFO L87 Difference]: Start difference. First operand 1486 states and 2101 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:23,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:23,730 INFO L93 Difference]: Finished difference Result 1547 states and 2177 transitions. [2024-10-14 20:39:23,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:39:23,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-10-14 20:39:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:23,736 INFO L225 Difference]: With dead ends: 1547 [2024-10-14 20:39:23,736 INFO L226 Difference]: Without dead ends: 1545 [2024-10-14 20:39:23,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:23,737 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 95 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:23,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 280 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:23,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-10-14 20:39:23,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1502. [2024-10-14 20:39:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1502 states, 1321 states have (on average 1.384557153671461) internal successors, (1829), 1353 states have internal predecessors, (1829), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-14 20:39:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1502 states and 2121 transitions. [2024-10-14 20:39:23,897 INFO L78 Accepts]: Start accepts. Automaton has 1502 states and 2121 transitions. Word has length 110 [2024-10-14 20:39:23,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:23,898 INFO L471 AbstractCegarLoop]: Abstraction has 1502 states and 2121 transitions. [2024-10-14 20:39:23,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2121 transitions. [2024-10-14 20:39:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 20:39:23,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:23,899 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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, 1, 1, 1] [2024-10-14 20:39:23,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-14 20:39:24,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-14 20:39:24,103 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:24,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash 815465278, now seen corresponding path program 2 times [2024-10-14 20:39:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:24,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456362887] [2024-10-14 20:39:24,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:24,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776843673] [2024-10-14 20:39:24,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:39:24,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:24,117 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:24,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-14 20:39:24,175 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:39:24,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:39:24,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:24,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:24,519 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:24,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:24,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456362887] [2024-10-14 20:39:24,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:24,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776843673] [2024-10-14 20:39:24,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776843673] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:24,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:24,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-14 20:39:24,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284243583] [2024-10-14 20:39:24,827 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:24,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:39:24,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:24,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:39:24,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:24,828 INFO L87 Difference]: Start difference. First operand 1502 states and 2121 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:25,438 INFO L93 Difference]: Finished difference Result 1560 states and 2192 transitions. [2024-10-14 20:39:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:25,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-10-14 20:39:25,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:25,444 INFO L225 Difference]: With dead ends: 1560 [2024-10-14 20:39:25,444 INFO L226 Difference]: Without dead ends: 1556 [2024-10-14 20:39:25,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:39:25,445 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 121 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:25,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 182 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:25,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2024-10-14 20:39:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1510. [2024-10-14 20:39:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1328 states have (on average 1.3855421686746987) internal successors, (1840), 1360 states have internal predecessors, (1840), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2134 transitions. [2024-10-14 20:39:25,583 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2134 transitions. Word has length 110 [2024-10-14 20:39:25,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:25,584 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2134 transitions. [2024-10-14 20:39:25,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2134 transitions. [2024-10-14 20:39:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 20:39:25,585 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:25,585 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:25,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-14 20:39:25,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:25,788 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:25,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:25,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1956692192, now seen corresponding path program 1 times [2024-10-14 20:39:25,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:25,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739750038] [2024-10-14 20:39:25,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:25,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:25,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864014413] [2024-10-14 20:39:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:25,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:25,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:25,808 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:25,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-14 20:39:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:25,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:25,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:26,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:26,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739750038] [2024-10-14 20:39:26,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864014413] [2024-10-14 20:39:26,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864014413] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:26,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:26,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:39:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142844500] [2024-10-14 20:39:26,410 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:26,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:26,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:26,411 INFO L87 Difference]: Start difference. First operand 1510 states and 2134 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:26,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:26,969 INFO L93 Difference]: Finished difference Result 1547 states and 2180 transitions. [2024-10-14 20:39:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:26,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-14 20:39:26,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:26,975 INFO L225 Difference]: With dead ends: 1547 [2024-10-14 20:39:26,975 INFO L226 Difference]: Without dead ends: 1545 [2024-10-14 20:39:26,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:26,976 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 121 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:26,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 229 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:39:26,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2024-10-14 20:39:27,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1510. [2024-10-14 20:39:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1328 states have (on average 1.3840361445783131) internal successors, (1838), 1360 states have internal predecessors, (1838), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2132 transitions. [2024-10-14 20:39:27,086 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2132 transitions. Word has length 112 [2024-10-14 20:39:27,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:27,086 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2132 transitions. [2024-10-14 20:39:27,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2132 transitions. [2024-10-14 20:39:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-14 20:39:27,086 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:27,087 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:27,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-14 20:39:27,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:27,287 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:27,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1978085984, now seen corresponding path program 2 times [2024-10-14 20:39:27,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:27,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513621728] [2024-10-14 20:39:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:27,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:27,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533768515] [2024-10-14 20:39:27,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:39:27,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:27,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:27,301 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:27,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-14 20:39:27,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:39:27,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:39:27,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:39:27,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:27,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:27,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:27,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513621728] [2024-10-14 20:39:27,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:27,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533768515] [2024-10-14 20:39:27,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533768515] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:27,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:27,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-14 20:39:27,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54145526] [2024-10-14 20:39:27,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:27,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:27,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:27,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:27,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:27,930 INFO L87 Difference]: Start difference. First operand 1510 states and 2132 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:28,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:28,541 INFO L93 Difference]: Finished difference Result 1545 states and 2172 transitions. [2024-10-14 20:39:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:39:28,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 112 [2024-10-14 20:39:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:28,551 INFO L225 Difference]: With dead ends: 1545 [2024-10-14 20:39:28,554 INFO L226 Difference]: Without dead ends: 1543 [2024-10-14 20:39:28,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 20:39:28,555 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 119 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:28,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 204 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:39:28,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2024-10-14 20:39:28,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1510. [2024-10-14 20:39:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1328 states have (on average 1.3825301204819278) internal successors, (1836), 1360 states have internal predecessors, (1836), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2130 transitions. [2024-10-14 20:39:28,679 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2130 transitions. Word has length 112 [2024-10-14 20:39:28,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:28,679 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2130 transitions. [2024-10-14 20:39:28,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-14 20:39:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2130 transitions. [2024-10-14 20:39:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-14 20:39:28,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:28,681 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:28,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-14 20:39:28,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-10-14 20:39:28,886 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:28,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:28,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1336387764, now seen corresponding path program 1 times [2024-10-14 20:39:28,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:28,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888198288] [2024-10-14 20:39:28,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:28,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 20:39:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 20:39:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 20:39:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-14 20:39:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-14 20:39:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 20:39:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 20:39:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 20:39:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 20:39:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-14 20:39:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 20:39:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 20:39:29,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:29,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888198288] [2024-10-14 20:39:29,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888198288] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:29,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400718335] [2024-10-14 20:39:29,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:29,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:29,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:29,005 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:29,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-14 20:39:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:29,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 20:39:29,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 20:39:29,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-14 20:39:29,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400718335] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:39:29,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:39:29,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-10-14 20:39:29,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836962503] [2024-10-14 20:39:29,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:39:29,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:39:29,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:29,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:39:29,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:29,208 INFO L87 Difference]: Start difference. First operand 1510 states and 2130 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-10-14 20:39:30,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:30,386 INFO L93 Difference]: Finished difference Result 1512 states and 2132 transitions. [2024-10-14 20:39:30,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:39:30,387 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 114 [2024-10-14 20:39:30,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:30,391 INFO L225 Difference]: With dead ends: 1512 [2024-10-14 20:39:30,391 INFO L226 Difference]: Without dead ends: 1511 [2024-10-14 20:39:30,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-10-14 20:39:30,392 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 168 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:30,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 115 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 20:39:30,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-10-14 20:39:30,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1509. [2024-10-14 20:39:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1328 states have (on average 1.3780120481927711) internal successors, (1830), 1359 states have internal predecessors, (1830), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2124 transitions. [2024-10-14 20:39:30,487 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2124 transitions. Word has length 114 [2024-10-14 20:39:30,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:30,487 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 2124 transitions. [2024-10-14 20:39:30,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-10-14 20:39:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2124 transitions. [2024-10-14 20:39:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-14 20:39:30,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:30,489 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:30,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-10-14 20:39:30,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-10-14 20:39:30,690 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-10-14 20:39:30,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:39:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash 527915865, now seen corresponding path program 1 times [2024-10-14 20:39:30,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:39:30,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687627798] [2024-10-14 20:39:30,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:30,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:39:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 20:39:30,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234706793] [2024-10-14 20:39:30,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:39:30,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:39:30,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:39:30,703 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 20:39:30,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-14 20:39:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:39:30,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 20:39:30,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:39:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 20:39:31,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:39:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-10-14 20:39:32,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:39:32,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687627798] [2024-10-14 20:39:32,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 20:39:32,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234706793] [2024-10-14 20:39:32,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234706793] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-14 20:39:32,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:39:32,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-14 20:39:32,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177360119] [2024-10-14 20:39:32,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:39:32,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:39:32,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:39:32,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:39:32,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-14 20:39:32,039 INFO L87 Difference]: Start difference. First operand 1509 states and 2124 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:34,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:39:34,203 INFO L93 Difference]: Finished difference Result 1509 states and 2124 transitions. [2024-10-14 20:39:34,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:39:34,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 113 [2024-10-14 20:39:34,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:39:34,207 INFO L225 Difference]: With dead ends: 1509 [2024-10-14 20:39:34,207 INFO L226 Difference]: Without dead ends: 1508 [2024-10-14 20:39:34,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:39:34,208 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 84 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:39:34,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 130 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-14 20:39:34,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2024-10-14 20:39:34,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1508. [2024-10-14 20:39:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1328 states have (on average 1.3531626506024097) internal successors, (1797), 1358 states have internal predecessors, (1797), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-10-14 20:39:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2091 transitions. [2024-10-14 20:39:34,311 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2091 transitions. Word has length 113 [2024-10-14 20:39:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:39:34,311 INFO L471 AbstractCegarLoop]: Abstraction has 1508 states and 2091 transitions. [2024-10-14 20:39:34,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 20:39:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2091 transitions. [2024-10-14 20:39:34,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 20:39:34,312 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:39:34,313 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:39:34,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0