./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.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 be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:36:51,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:36:51,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:36:51,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:36:51,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:36:51,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:36:51,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:36:51,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:36:51,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:36:51,616 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:36:51,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:36:51,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:36:51,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:36:51,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:36:51,619 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:36:51,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:36:51,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:36:51,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:36:51,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:36:51,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:36:51,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:36:51,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:36:51,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:36:51,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:36:51,623 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:36:51,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:36:51,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:36:51,624 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:36:51,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:36:51,624 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:36:51,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:36:51,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:36:51,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:36:51,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:36:51,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:36:51,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:36:51,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:36:51,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:36:51,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:36:51,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:36:51,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:36:51,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:36:51,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:36:51,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:36:51,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 [2024-11-12 17:36:51,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:36:51,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:36:51,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:36:51,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:36:51,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:36:51,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2024-11-12 17:36:53,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:36:53,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:36:53,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2024-11-12 17:36:53,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd6698d2/20a9ab0f9342493a93a461a0e37f0677/FLAG15c68ce29 [2024-11-12 17:36:53,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd6698d2/20a9ab0f9342493a93a461a0e37f0677 [2024-11-12 17:36:53,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:36:53,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:36:53,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:36:53,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:36:53,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:36:53,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c6731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53, skipping insertion in model container [2024-11-12 17:36:53,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:36:53,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:36:53,790 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:36:53,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:36:53,814 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:36:53,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53 WrapperNode [2024-11-12 17:36:53,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:36:53,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:36:53,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:36:53,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:36:53,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,845 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-12 17:36:53,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:36:53,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:36:53,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:36:53,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:36:53,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,871 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 17:36:53,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:36:53,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:36:53,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:36:53,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:36:53,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (1/1) ... [2024-11-12 17:36:53,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:36:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:36:53,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 17:36:53,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 17:36:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:36:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:36:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:36:53,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:36:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:36:53,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:36:53,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:36:53,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:36:54,230 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-12 17:36:54,230 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:36:54,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:36:54,240 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 17:36:54,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:36:54 BoogieIcfgContainer [2024-11-12 17:36:54,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:36:54,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:36:54,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:36:54,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:36:54,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:36:53" (1/3) ... [2024-11-12 17:36:54,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2163c3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:36:54, skipping insertion in model container [2024-11-12 17:36:54,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:36:53" (2/3) ... [2024-11-12 17:36:54,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2163c3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:36:54, skipping insertion in model container [2024-11-12 17:36:54,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:36:54" (3/3) ... [2024-11-12 17:36:54,246 INFO L112 eAbstractionObserver]: Analyzing ICFG prodbin-ll_unwindbound20.c [2024-11-12 17:36:54,259 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:36:54,259 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-12 17:36:54,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:36:54,307 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;@27b4cb24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:36:54,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-12 17:36:54,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:36:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:36:54,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:54,314 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:36:54,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:54,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash 889510409, now seen corresponding path program 1 times [2024-11-12 17:36:54,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:54,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055776309] [2024-11-12 17:36:54,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:54,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:54,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:54,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055776309] [2024-11-12 17:36:54,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055776309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:54,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:54,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:36:54,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451997913] [2024-11-12 17:36:54,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:54,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:36:54,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:54,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:36:54,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:36:54,470 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:54,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:54,487 INFO L93 Difference]: Finished difference Result 108 states and 121 transitions. [2024-11-12 17:36:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:36:54,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 17:36:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:54,494 INFO L225 Difference]: With dead ends: 108 [2024-11-12 17:36:54,494 INFO L226 Difference]: Without dead ends: 49 [2024-11-12 17:36:54,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:36:54,500 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:54,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-12 17:36:54,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-12 17:36:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.6896551724137931) internal successors, (49), 46 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-11-12 17:36:54,532 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 6 [2024-11-12 17:36:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:54,532 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-11-12 17:36:54,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-11-12 17:36:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-12 17:36:54,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:54,534 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-12 17:36:54,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:36:54,534 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:54,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:54,535 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-12 17:36:54,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:54,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402187096] [2024-11-12 17:36:54,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:54,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:54,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:54,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402187096] [2024-11-12 17:36:54,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402187096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:54,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:54,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:36:54,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229282276] [2024-11-12 17:36:54,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:54,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:54,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:54,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:54,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:54,612 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:54,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:54,645 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2024-11-12 17:36:54,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:54,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-12 17:36:54,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:54,646 INFO L225 Difference]: With dead ends: 49 [2024-11-12 17:36:54,646 INFO L226 Difference]: Without dead ends: 48 [2024-11-12 17:36:54,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:54,647 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 47 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:54,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 87 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:54,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-12 17:36:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-12 17:36:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 45 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2024-11-12 17:36:54,656 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 6 [2024-11-12 17:36:54,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:54,656 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2024-11-12 17:36:54,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2024-11-12 17:36:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 17:36:54,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:54,657 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:54,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:36:54,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:54,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:54,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-12 17:36:54,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:54,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595663956] [2024-11-12 17:36:54,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:54,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:54,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:54,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595663956] [2024-11-12 17:36:54,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595663956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:54,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:54,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:36:54,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919519193] [2024-11-12 17:36:54,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:54,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:54,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:54,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:54,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:54,727 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:54,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:54,752 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2024-11-12 17:36:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:36:54,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-12 17:36:54,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:54,753 INFO L225 Difference]: With dead ends: 57 [2024-11-12 17:36:54,754 INFO L226 Difference]: Without dead ends: 52 [2024-11-12 17:36:54,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:54,755 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 3 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:54,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 132 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:54,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-12 17:36:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-12 17:36:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 49 states have internal predecessors, (52), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2024-11-12 17:36:54,760 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 7 [2024-11-12 17:36:54,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:54,760 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-11-12 17:36:54,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-12 17:36:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 17:36:54,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:54,761 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:54,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:36:54,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:54,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:54,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-12 17:36:54,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:54,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759766415] [2024-11-12 17:36:54,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:54,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:36:54,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303734701] [2024-11-12 17:36:54,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:54,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:54,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:36:54,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:36:54,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:36:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:54,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:36:54,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:36:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:54,955 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:36:54,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759766415] [2024-11-12 17:36:54,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:36:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303734701] [2024-11-12 17:36:54,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303734701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:54,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:54,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:36:54,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057398135] [2024-11-12 17:36:54,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:54,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:36:54,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:54,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:36:54,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:54,958 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:55,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:55,065 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2024-11-12 17:36:55,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:36:55,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-12 17:36:55,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:55,066 INFO L225 Difference]: With dead ends: 75 [2024-11-12 17:36:55,068 INFO L226 Difference]: Without dead ends: 66 [2024-11-12 17:36:55,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:36:55,069 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 77 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:55,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 59 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:36:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-12 17:36:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2024-11-12 17:36:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 60 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:36:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2024-11-12 17:36:55,079 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 9 [2024-11-12 17:36:55,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:55,080 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2024-11-12 17:36:55,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2024-11-12 17:36:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 17:36:55,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:55,080 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:55,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:36:55,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:55,285 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:55,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:55,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1988380403, now seen corresponding path program 1 times [2024-11-12 17:36:55,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:55,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912402721] [2024-11-12 17:36:55,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:55,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:36:55,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000293947] [2024-11-12 17:36:55,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:55,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:55,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:36:55,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:36:55,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:36:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:55,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-12 17:36:55,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:36:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:55,425 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:36:55,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:55,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912402721] [2024-11-12 17:36:55,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:36:55,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000293947] [2024-11-12 17:36:55,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000293947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:55,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:55,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:36:55,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137315389] [2024-11-12 17:36:55,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:55,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:36:55,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:55,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:36:55,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:55,427 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:55,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:55,553 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2024-11-12 17:36:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:36:55,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-12 17:36:55,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:55,555 INFO L225 Difference]: With dead ends: 67 [2024-11-12 17:36:55,555 INFO L226 Difference]: Without dead ends: 61 [2024-11-12 17:36:55,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:36:55,555 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:55,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 63 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:36:55,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-12 17:36:55,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-12 17:36:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 57 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:36:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2024-11-12 17:36:55,564 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 10 [2024-11-12 17:36:55,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:55,565 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2024-11-12 17:36:55,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2024-11-12 17:36:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-12 17:36:55,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:55,565 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:55,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 17:36:55,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:55,766 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:55,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:55,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1510250290, now seen corresponding path program 1 times [2024-11-12 17:36:55,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:55,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151964736] [2024-11-12 17:36:55,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:55,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:55,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151964736] [2024-11-12 17:36:55,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151964736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:55,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:55,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:36:55,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68118398] [2024-11-12 17:36:55,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:55,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:55,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:55,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:55,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:55,818 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:55,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:55,956 INFO L93 Difference]: Finished difference Result 88 states and 100 transitions. [2024-11-12 17:36:55,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:55,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-12 17:36:55,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:55,956 INFO L225 Difference]: With dead ends: 88 [2024-11-12 17:36:55,956 INFO L226 Difference]: Without dead ends: 87 [2024-11-12 17:36:55,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:55,957 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 19 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:55,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 76 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:36:55,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-12 17:36:55,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2024-11-12 17:36:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 73 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2024-11-12 17:36:55,963 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 94 transitions. Word has length 11 [2024-11-12 17:36:55,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:55,963 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 94 transitions. [2024-11-12 17:36:55,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2024-11-12 17:36:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-12 17:36:55,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:55,964 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:55,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:36:55,967 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:55,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:55,970 INFO L85 PathProgramCache]: Analyzing trace with hash 426881327, now seen corresponding path program 1 times [2024-11-12 17:36:55,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:55,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479986419] [2024-11-12 17:36:55,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:55,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:56,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:56,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479986419] [2024-11-12 17:36:56,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479986419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:56,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:56,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:36:56,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012723518] [2024-11-12 17:36:56,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:56,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:56,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:56,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:56,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:56,082 INFO L87 Difference]: Start difference. First operand 78 states and 94 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:56,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:56,423 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2024-11-12 17:36:56,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:56,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-12 17:36:56,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:56,424 INFO L225 Difference]: With dead ends: 88 [2024-11-12 17:36:56,424 INFO L226 Difference]: Without dead ends: 87 [2024-11-12 17:36:56,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:56,425 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 18 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:56,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 79 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:36:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-12 17:36:56,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 78. [2024-11-12 17:36:56,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 73 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 92 transitions. [2024-11-12 17:36:56,440 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 92 transitions. Word has length 12 [2024-11-12 17:36:56,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:56,440 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 92 transitions. [2024-11-12 17:36:56,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 17:36:56,440 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2024-11-12 17:36:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-12 17:36:56,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:56,440 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:56,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 17:36:56,441 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:56,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:56,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1925400231, now seen corresponding path program 1 times [2024-11-12 17:36:56,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:56,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381174370] [2024-11-12 17:36:56,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:56,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:56,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:56,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381174370] [2024-11-12 17:36:56,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381174370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:56,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:56,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:36:56,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329357537] [2024-11-12 17:36:56,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:56,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:56,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:56,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:56,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:56,536 INFO L87 Difference]: Start difference. First operand 78 states and 92 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:56,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:56,575 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2024-11-12 17:36:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:56,575 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-11-12 17:36:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:56,576 INFO L225 Difference]: With dead ends: 79 [2024-11-12 17:36:56,577 INFO L226 Difference]: Without dead ends: 78 [2024-11-12 17:36:56,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:56,578 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 56 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:56,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 59 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:56,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-12 17:36:56,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-12 17:36:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 73 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2024-11-12 17:36:56,586 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 22 [2024-11-12 17:36:56,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:56,589 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2024-11-12 17:36:56,589 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2024-11-12 17:36:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-12 17:36:56,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:56,590 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:56,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:36:56,590 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:56,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:56,590 INFO L85 PathProgramCache]: Analyzing trace with hash 442135061, now seen corresponding path program 1 times [2024-11-12 17:36:56,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:56,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078058390] [2024-11-12 17:36:56,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:56,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:56,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:56,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078058390] [2024-11-12 17:36:56,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078058390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:56,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:56,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:36:56,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360197046] [2024-11-12 17:36:56,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:56,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:56,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:56,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:56,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:56,671 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:56,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:56,709 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2024-11-12 17:36:56,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:56,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-12 17:36:56,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:56,711 INFO L225 Difference]: With dead ends: 79 [2024-11-12 17:36:56,712 INFO L226 Difference]: Without dead ends: 78 [2024-11-12 17:36:56,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:56,712 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 54 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:56,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 60 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:56,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-12 17:36:56,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-12 17:36:56,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 73 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2024-11-12 17:36:56,721 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 23 [2024-11-12 17:36:56,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:56,721 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2024-11-12 17:36:56,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:56,721 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2024-11-12 17:36:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 17:36:56,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:56,721 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:56,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:36:56,721 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:56,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:56,722 INFO L85 PathProgramCache]: Analyzing trace with hash 821593916, now seen corresponding path program 1 times [2024-11-12 17:36:56,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:56,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156580111] [2024-11-12 17:36:56,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:56,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:56,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156580111] [2024-11-12 17:36:56,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156580111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:56,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:56,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:36:56,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891033600] [2024-11-12 17:36:56,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:56,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:56,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:56,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:56,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:56,801 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:56,891 INFO L93 Difference]: Finished difference Result 82 states and 90 transitions. [2024-11-12 17:36:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:56,891 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-12 17:36:56,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:56,892 INFO L225 Difference]: With dead ends: 82 [2024-11-12 17:36:56,892 INFO L226 Difference]: Without dead ends: 80 [2024-11-12 17:36:56,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:56,893 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 65 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:56,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 47 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:36:56,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-12 17:36:56,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-11-12 17:36:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 72 states have internal predecessors, (82), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:56,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2024-11-12 17:36:56,897 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 24 [2024-11-12 17:36:56,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:56,898 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2024-11-12 17:36:56,898 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2024-11-12 17:36:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:36:56,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:56,898 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:56,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 17:36:56,899 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:56,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:56,899 INFO L85 PathProgramCache]: Analyzing trace with hash -300392287, now seen corresponding path program 1 times [2024-11-12 17:36:56,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:56,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58572595] [2024-11-12 17:36:56,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:56,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:56,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58572595] [2024-11-12 17:36:56,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58572595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:56,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:56,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:36:56,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560748406] [2024-11-12 17:36:56,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:56,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:36:56,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:56,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:36:56,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:56,968 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:57,002 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2024-11-12 17:36:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:57,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-12 17:36:57,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:57,003 INFO L225 Difference]: With dead ends: 77 [2024-11-12 17:36:57,004 INFO L226 Difference]: Without dead ends: 75 [2024-11-12 17:36:57,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:36:57,004 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 42 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:57,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 38 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:57,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-12 17:36:57,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2024-11-12 17:36:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 59 states have (on average 1.305084745762712) internal successors, (77), 68 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2024-11-12 17:36:57,012 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 25 [2024-11-12 17:36:57,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:57,012 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2024-11-12 17:36:57,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2024-11-12 17:36:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-12 17:36:57,012 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:57,013 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:57,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 17:36:57,013 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:57,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:57,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1019015072, now seen corresponding path program 1 times [2024-11-12 17:36:57,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:57,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584655963] [2024-11-12 17:36:57,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:57,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:57,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:57,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584655963] [2024-11-12 17:36:57,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584655963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:57,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:57,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:36:57,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605532089] [2024-11-12 17:36:57,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:57,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:57,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:57,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:57,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:57,045 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:57,116 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-11-12 17:36:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:57,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-12 17:36:57,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:57,117 INFO L225 Difference]: With dead ends: 78 [2024-11-12 17:36:57,117 INFO L226 Difference]: Without dead ends: 77 [2024-11-12 17:36:57,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:57,118 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 54 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:57,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 53 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:36:57,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-12 17:36:57,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2024-11-12 17:36:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 71 states have internal predecessors, (80), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2024-11-12 17:36:57,135 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 26 [2024-11-12 17:36:57,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:57,135 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2024-11-12 17:36:57,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,136 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2024-11-12 17:36:57,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-12 17:36:57,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:57,136 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:57,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 17:36:57,136 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:57,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:57,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1524696071, now seen corresponding path program 1 times [2024-11-12 17:36:57,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:57,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189106375] [2024-11-12 17:36:57,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:57,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:57,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:57,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189106375] [2024-11-12 17:36:57,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189106375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:57,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:57,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:36:57,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172975053] [2024-11-12 17:36:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:57,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:36:57,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:57,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:36:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:36:57,186 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:57,221 INFO L93 Difference]: Finished difference Result 78 states and 88 transitions. [2024-11-12 17:36:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:36:57,221 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-12 17:36:57,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:57,222 INFO L225 Difference]: With dead ends: 78 [2024-11-12 17:36:57,222 INFO L226 Difference]: Without dead ends: 77 [2024-11-12 17:36:57,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:57,223 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 52 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:57,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 54 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-12 17:36:57,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-12 17:36:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 72 states have internal predecessors, (81), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2024-11-12 17:36:57,228 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 27 [2024-11-12 17:36:57,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:57,228 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2024-11-12 17:36:57,228 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,228 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2024-11-12 17:36:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 17:36:57,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:57,229 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:57,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 17:36:57,229 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:57,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:57,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1725266605, now seen corresponding path program 1 times [2024-11-12 17:36:57,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:57,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229111274] [2024-11-12 17:36:57,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:57,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:57,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:57,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229111274] [2024-11-12 17:36:57,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229111274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:36:57,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286285249] [2024-11-12 17:36:57,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:57,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:57,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:36:57,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:36:57,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:36:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:36:57,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:36:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:57,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:36:57,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286285249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:57,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:36:57,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-12 17:36:57,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956701566] [2024-11-12 17:36:57,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:57,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:36:57,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:36:57,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:36:57,363 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:57,388 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2024-11-12 17:36:57,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:36:57,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-12 17:36:57,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:57,389 INFO L225 Difference]: With dead ends: 77 [2024-11-12 17:36:57,389 INFO L226 Difference]: Without dead ends: 76 [2024-11-12 17:36:57,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:36:57,390 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 21 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:57,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 100 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:36:57,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-12 17:36:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-12 17:36:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 63 states have (on average 1.253968253968254) internal successors, (79), 71 states have internal predecessors, (79), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2024-11-12 17:36:57,394 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 28 [2024-11-12 17:36:57,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:57,394 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2024-11-12 17:36:57,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2024-11-12 17:36:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 17:36:57,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:57,395 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:57,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:36:57,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:57,600 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:57,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:57,600 INFO L85 PathProgramCache]: Analyzing trace with hash -20937854, now seen corresponding path program 1 times [2024-11-12 17:36:57,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:57,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221127839] [2024-11-12 17:36:57,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:57,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:36:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:57,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:57,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221127839] [2024-11-12 17:36:57,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221127839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:57,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:57,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:36:57,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255150173] [2024-11-12 17:36:57,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:57,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:36:57,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:57,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:36:57,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:36:57,660 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:57,729 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2024-11-12 17:36:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:36:57,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-12 17:36:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:57,730 INFO L225 Difference]: With dead ends: 82 [2024-11-12 17:36:57,730 INFO L226 Difference]: Without dead ends: 81 [2024-11-12 17:36:57,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:36:57,731 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 47 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:57,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 41 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:36:57,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-12 17:36:57,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2024-11-12 17:36:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 70 states have internal predecessors, (78), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2024-11-12 17:36:57,735 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 28 [2024-11-12 17:36:57,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:57,736 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2024-11-12 17:36:57,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2024-11-12 17:36:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-12 17:36:57,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:57,736 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:57,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 17:36:57,737 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:57,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:57,737 INFO L85 PathProgramCache]: Analyzing trace with hash 123832847, now seen corresponding path program 1 times [2024-11-12 17:36:57,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:57,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836710893] [2024-11-12 17:36:57,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:36:57,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [59740174] [2024-11-12 17:36:57,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:57,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:57,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:36:57,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:36:57,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:36:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:57,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 17:36:57,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:36:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:58,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:36:58,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:58,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:58,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836710893] [2024-11-12 17:36:58,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:36:58,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59740174] [2024-11-12 17:36:58,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59740174] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:36:58,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:36:58,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2024-11-12 17:36:58,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692391943] [2024-11-12 17:36:58,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:58,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:36:58,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:58,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:36:58,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:36:58,756 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:59,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:36:59,164 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2024-11-12 17:36:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:36:59,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-12 17:36:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:36:59,165 INFO L225 Difference]: With dead ends: 85 [2024-11-12 17:36:59,165 INFO L226 Difference]: Without dead ends: 84 [2024-11-12 17:36:59,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:36:59,166 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 105 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:36:59,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 48 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:36:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-12 17:36:59,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-12 17:36:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 79 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:36:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2024-11-12 17:36:59,172 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 30 [2024-11-12 17:36:59,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:36:59,172 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2024-11-12 17:36:59,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:36:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2024-11-12 17:36:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-12 17:36:59,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:36:59,173 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:36:59,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:36:59,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:36:59,378 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:36:59,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:36:59,378 INFO L85 PathProgramCache]: Analyzing trace with hash -456148982, now seen corresponding path program 1 times [2024-11-12 17:36:59,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:36:59,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469730220] [2024-11-12 17:36:59,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:59,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:36:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:36:59,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078559328] [2024-11-12 17:36:59,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:36:59,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:36:59,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:36:59,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:36:59,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:36:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:36:59,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:36:59,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:36:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:36:59,853 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:36:59,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:36:59,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469730220] [2024-11-12 17:36:59,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:36:59,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078559328] [2024-11-12 17:36:59,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078559328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:36:59,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:36:59,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 17:36:59,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174781862] [2024-11-12 17:36:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:36:59,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:36:59,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:36:59,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:36:59,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:36:59,854 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:00,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:00,435 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2024-11-12 17:37:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:37:00,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-12 17:37:00,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:00,436 INFO L225 Difference]: With dead ends: 91 [2024-11-12 17:37:00,436 INFO L226 Difference]: Without dead ends: 89 [2024-11-12 17:37:00,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-12 17:37:00,437 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 83 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:00,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 104 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:37:00,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-12 17:37:00,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 83. [2024-11-12 17:37:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 78 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:37:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2024-11-12 17:37:00,443 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 31 [2024-11-12 17:37:00,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:00,443 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2024-11-12 17:37:00,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.625) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-11-12 17:37:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-12 17:37:00,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:00,444 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:00,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 17:37:00,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-12 17:37:00,647 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:00,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:00,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1026603477, now seen corresponding path program 1 times [2024-11-12 17:37:00,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:00,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2374672] [2024-11-12 17:37:00,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:00,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:00,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568517718] [2024-11-12 17:37:00,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:00,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:00,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:00,659 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:00,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:37:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:00,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-12 17:37:00,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:01,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:09,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:09,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2374672] [2024-11-12 17:37:09,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:37:09,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568517718] [2024-11-12 17:37:09,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568517718] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:09,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:37:09,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-12 17:37:09,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146947759] [2024-11-12 17:37:09,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:09,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:37:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:09,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:37:09,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:37:09,101 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:10,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:10,866 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2024-11-12 17:37:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:37:10,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-12 17:37:10,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:10,867 INFO L225 Difference]: With dead ends: 83 [2024-11-12 17:37:10,867 INFO L226 Difference]: Without dead ends: 82 [2024-11-12 17:37:10,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:37:10,869 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 26 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:10,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 45 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:37:10,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-12 17:37:10,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 73. [2024-11-12 17:37:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 68 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:37:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2024-11-12 17:37:10,886 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 34 [2024-11-12 17:37:10,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:10,886 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2024-11-12 17:37:10,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2024-11-12 17:37:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 17:37:10,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:10,886 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:10,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:37:11,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-12 17:37:11,088 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:11,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:11,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1759936772, now seen corresponding path program 1 times [2024-11-12 17:37:11,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:11,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212258749] [2024-11-12 17:37:11,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:11,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:11,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743074643] [2024-11-12 17:37:11,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:11,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:11,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:11,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:11,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:37:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:11,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:37:11,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:11,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:12,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:12,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212258749] [2024-11-12 17:37:12,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:37:12,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743074643] [2024-11-12 17:37:12,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743074643] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:12,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:37:12,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-12 17:37:12,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710953429] [2024-11-12 17:37:12,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:12,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:37:12,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:12,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:37:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:37:12,890 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand has 14 states, 13 states have (on average 4.615384615384615) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:20,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:20,094 INFO L93 Difference]: Finished difference Result 106 states and 123 transitions. [2024-11-12 17:37:20,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-12 17:37:20,094 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.615384615384615) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2024-11-12 17:37:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:20,095 INFO L225 Difference]: With dead ends: 106 [2024-11-12 17:37:20,095 INFO L226 Difference]: Without dead ends: 104 [2024-11-12 17:37:20,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=204, Invalid=498, Unknown=0, NotChecked=0, Total=702 [2024-11-12 17:37:20,096 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 80 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:20,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 116 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-12 17:37:20,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-12 17:37:20,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 91. [2024-11-12 17:37:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.2) internal successors, (96), 85 states have internal predecessors, (96), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2024-11-12 17:37:20,101 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 35 [2024-11-12 17:37:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:20,102 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2024-11-12 17:37:20,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.615384615384615) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2024-11-12 17:37:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 17:37:20,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:20,102 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:20,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 17:37:20,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:20,307 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:20,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:20,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1276534857, now seen corresponding path program 1 times [2024-11-12 17:37:20,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:20,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536308234] [2024-11-12 17:37:20,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:20,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1177082617] [2024-11-12 17:37:20,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:20,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:20,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:20,318 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:20,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:37:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:20,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:37:20,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:21,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:25,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:25,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536308234] [2024-11-12 17:37:25,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:37:25,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177082617] [2024-11-12 17:37:25,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177082617] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:25,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:37:25,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-12 17:37:25,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382225815] [2024-11-12 17:37:25,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:25,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:37:25,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:25,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:37:25,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:37:25,035 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:26,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:37:29,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:29,991 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2024-11-12 17:37:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:37:29,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-12 17:37:29,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:29,993 INFO L225 Difference]: With dead ends: 92 [2024-11-12 17:37:29,993 INFO L226 Difference]: Without dead ends: 91 [2024-11-12 17:37:29,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:37:29,993 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:29,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 109 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-12 17:37:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-12 17:37:29,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-12 17:37:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.1875) internal successors, (95), 85 states have internal predecessors, (95), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2024-11-12 17:37:29,999 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 36 [2024-11-12 17:37:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:29,999 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2024-11-12 17:37:29,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2024-11-12 17:37:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-12 17:37:30,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:30,000 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:30,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 17:37:30,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:30,200 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:30,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:30,201 INFO L85 PathProgramCache]: Analyzing trace with hash -917874842, now seen corresponding path program 1 times [2024-11-12 17:37:30,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:30,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324586388] [2024-11-12 17:37:30,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:30,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:30,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795129159] [2024-11-12 17:37:30,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:30,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:30,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:30,211 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:30,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:37:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:30,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-12 17:37:30,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:30,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 17:37:33,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:33,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324586388] [2024-11-12 17:37:33,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:37:33,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795129159] [2024-11-12 17:37:33,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795129159] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:33,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:37:33,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-12 17:37:33,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746940742] [2024-11-12 17:37:33,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:33,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:37:33,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:33,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:37:33,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-11-12 17:37:33,045 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:36,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:36,386 INFO L93 Difference]: Finished difference Result 92 states and 103 transitions. [2024-11-12 17:37:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:37:36,387 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-12 17:37:36,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:36,387 INFO L225 Difference]: With dead ends: 92 [2024-11-12 17:37:36,387 INFO L226 Difference]: Without dead ends: 91 [2024-11-12 17:37:36,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:37:36,388 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:36,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 111 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 17:37:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-12 17:37:36,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-12 17:37:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.175) internal successors, (94), 85 states have internal predecessors, (94), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2024-11-12 17:37:36,397 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 37 [2024-11-12 17:37:36,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:36,397 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2024-11-12 17:37:36,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 17:37:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2024-11-12 17:37:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-12 17:37:36,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:36,398 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:36,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-12 17:37:36,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:36,602 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:36,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:36,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1006708247, now seen corresponding path program 1 times [2024-11-12 17:37:36,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:36,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469345512] [2024-11-12 17:37:36,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:36,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:36,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 17:37:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:36,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:36,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469345512] [2024-11-12 17:37:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469345512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:36,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738387579] [2024-11-12 17:37:36,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:36,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:36,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:36,643 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:36,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:37:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:36,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:37:36,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:36,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:36,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738387579] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:36,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:36,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 17:37:36,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918354640] [2024-11-12 17:37:36,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:36,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:37:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:36,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:37:36,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:37:36,753 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:36,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:36,839 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2024-11-12 17:37:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:37:36,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2024-11-12 17:37:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:36,840 INFO L225 Difference]: With dead ends: 243 [2024-11-12 17:37:36,840 INFO L226 Difference]: Without dead ends: 242 [2024-11-12 17:37:36,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:37:36,841 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 291 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:36,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 76 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-12 17:37:36,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-11-12 17:37:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 223 states have (on average 1.15695067264574) internal successors, (258), 228 states have internal predecessors, (258), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:37:36,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 282 transitions. [2024-11-12 17:37:36,856 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 282 transitions. Word has length 43 [2024-11-12 17:37:36,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:36,857 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 282 transitions. [2024-11-12 17:37:36,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 282 transitions. [2024-11-12 17:37:36,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-12 17:37:36,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:36,857 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:36,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 17:37:37,058 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,SelfDestructingSolverStorable21 [2024-11-12 17:37:37,058 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:37,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:37,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1006707926, now seen corresponding path program 1 times [2024-11-12 17:37:37,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:37,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067892452] [2024-11-12 17:37:37,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:37,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 17:37:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:37,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:37,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067892452] [2024-11-12 17:37:37,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067892452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:37,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:37,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:37:37,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346036044] [2024-11-12 17:37:37,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:37,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:37:37,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:37,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:37:37,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:37:37,153 INFO L87 Difference]: Start difference. First operand 242 states and 282 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:37,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:37,221 INFO L93 Difference]: Finished difference Result 252 states and 298 transitions. [2024-11-12 17:37:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:37:37,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2024-11-12 17:37:37,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:37,226 INFO L225 Difference]: With dead ends: 252 [2024-11-12 17:37:37,227 INFO L226 Difference]: Without dead ends: 251 [2024-11-12 17:37:37,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:37:37,229 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 4 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:37,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 105 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-12 17:37:37,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 246. [2024-11-12 17:37:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 227 states have (on average 1.1541850220264318) internal successors, (262), 232 states have internal predecessors, (262), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:37:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 286 transitions. [2024-11-12 17:37:37,257 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 286 transitions. Word has length 43 [2024-11-12 17:37:37,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:37,257 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 286 transitions. [2024-11-12 17:37:37,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 286 transitions. [2024-11-12 17:37:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:37:37,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:37,258 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:37,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 17:37:37,258 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:37,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:37,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1143174712, now seen corresponding path program 1 times [2024-11-12 17:37:37,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:37,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554875324] [2024-11-12 17:37:37,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:37,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 17:37:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:37,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:37,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554875324] [2024-11-12 17:37:37,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554875324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:37:37,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:37:37,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:37:37,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007622165] [2024-11-12 17:37:37,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:37:37,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:37:37,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:37,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:37:37,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:37,360 INFO L87 Difference]: Start difference. First operand 246 states and 286 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:37,409 INFO L93 Difference]: Finished difference Result 252 states and 294 transitions. [2024-11-12 17:37:37,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:37:37,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-11-12 17:37:37,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:37,410 INFO L225 Difference]: With dead ends: 252 [2024-11-12 17:37:37,410 INFO L226 Difference]: Without dead ends: 251 [2024-11-12 17:37:37,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:37:37,411 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:37,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 90 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:37:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-12 17:37:37,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 250. [2024-11-12 17:37:37,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 231 states have (on average 1.1515151515151516) internal successors, (266), 236 states have internal predecessors, (266), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:37:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 290 transitions. [2024-11-12 17:37:37,425 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 290 transitions. Word has length 44 [2024-11-12 17:37:37,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:37,425 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 290 transitions. [2024-11-12 17:37:37,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:37:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 290 transitions. [2024-11-12 17:37:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-12 17:37:37,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:37,425 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:37:37,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-12 17:37:37,426 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:37,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:37,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1742715184, now seen corresponding path program 1 times [2024-11-12 17:37:37,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:37,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336767184] [2024-11-12 17:37:37,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:37,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:37:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:37,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:37,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336767184] [2024-11-12 17:37:37,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336767184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:37,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172037561] [2024-11-12 17:37:37,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:37,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:37,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:37,507 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:37,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:37:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:37,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:37:37,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:37,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:37,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172037561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:37,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-12 17:37:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593028835] [2024-11-12 17:37:37,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:37,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:37:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:37,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:37:37,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:37:37,717 INFO L87 Difference]: Start difference. First operand 250 states and 290 transitions. Second operand has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:37:37,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:37,861 INFO L93 Difference]: Finished difference Result 293 states and 343 transitions. [2024-11-12 17:37:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:37:37,861 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 47 [2024-11-12 17:37:37,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:37,862 INFO L225 Difference]: With dead ends: 293 [2024-11-12 17:37:37,862 INFO L226 Difference]: Without dead ends: 292 [2024-11-12 17:37:37,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:37:37,863 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 146 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:37,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 148 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:37,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-12 17:37:37,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 287. [2024-11-12 17:37:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 266 states have (on average 1.1466165413533835) internal successors, (305), 271 states have internal predecessors, (305), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-12 17:37:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 333 transitions. [2024-11-12 17:37:37,879 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 333 transitions. Word has length 47 [2024-11-12 17:37:37,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:37,879 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 333 transitions. [2024-11-12 17:37:37,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.166666666666666) internal successors, (110), 13 states have internal predecessors, (110), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:37:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 333 transitions. [2024-11-12 17:37:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-12 17:37:37,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:37,880 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:37:37,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-12 17:37:38,080 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,SelfDestructingSolverStorable24 [2024-11-12 17:37:38,080 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:38,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash -55363940, now seen corresponding path program 1 times [2024-11-12 17:37:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:38,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748811712] [2024-11-12 17:37:38,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:38,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-12 17:37:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:38,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:38,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748811712] [2024-11-12 17:37:38,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748811712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:38,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046466406] [2024-11-12 17:37:38,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:38,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:38,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:38,122 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:38,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:37:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:37:38,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:38,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:38,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046466406] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:38,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:38,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 17:37:38,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776727778] [2024-11-12 17:37:38,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:38,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:37:38,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:38,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:37:38,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:37:38,243 INFO L87 Difference]: Start difference. First operand 287 states and 333 transitions. Second operand has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:38,330 INFO L93 Difference]: Finished difference Result 292 states and 339 transitions. [2024-11-12 17:37:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:37:38,330 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2024-11-12 17:37:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:38,331 INFO L225 Difference]: With dead ends: 292 [2024-11-12 17:37:38,331 INFO L226 Difference]: Without dead ends: 291 [2024-11-12 17:37:38,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:37:38,331 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 250 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:38,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 77 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:38,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-12 17:37:38,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 277. [2024-11-12 17:37:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 258 states have (on average 1.127906976744186) internal successors, (291), 263 states have internal predecessors, (291), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:37:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 315 transitions. [2024-11-12 17:37:38,348 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 315 transitions. Word has length 48 [2024-11-12 17:37:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:38,348 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 315 transitions. [2024-11-12 17:37:38,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:37:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 315 transitions. [2024-11-12 17:37:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-12 17:37:38,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:38,348 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-12 17:37:38,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-12 17:37:38,549 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,SelfDestructingSolverStorable25 [2024-11-12 17:37:38,549 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:38,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:38,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1810404222, now seen corresponding path program 1 times [2024-11-12 17:37:38,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:38,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971197874] [2024-11-12 17:37:38,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:38,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-12 17:37:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 17:37:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:38,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:37:38,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971197874] [2024-11-12 17:37:38,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971197874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:37:38,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842675821] [2024-11-12 17:37:38,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:38,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:38,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:38,609 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:38,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:37:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:38,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:37:38,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:38,758 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:38,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:37:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:37:38,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842675821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:37:38,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:37:38,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-12 17:37:38,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713276564] [2024-11-12 17:37:38,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:37:38,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 17:37:38,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:37:38,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 17:37:38,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:37:38,840 INFO L87 Difference]: Start difference. First operand 277 states and 315 transitions. Second operand has 13 states, 12 states have (on average 9.416666666666666) internal successors, (113), 13 states have internal predecessors, (113), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:37:38,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:37:38,976 INFO L93 Difference]: Finished difference Result 282 states and 320 transitions. [2024-11-12 17:37:38,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:37:38,976 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.416666666666666) internal successors, (113), 13 states have internal predecessors, (113), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 48 [2024-11-12 17:37:38,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:37:38,977 INFO L225 Difference]: With dead ends: 282 [2024-11-12 17:37:38,977 INFO L226 Difference]: Without dead ends: 281 [2024-11-12 17:37:38,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-11-12 17:37:38,978 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 146 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:37:38,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 142 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:37:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-12 17:37:38,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 272. [2024-11-12 17:37:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 253 states have (on average 1.1185770750988142) internal successors, (283), 258 states have internal predecessors, (283), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-12 17:37:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 307 transitions. [2024-11-12 17:37:38,994 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 307 transitions. Word has length 48 [2024-11-12 17:37:38,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:37:38,994 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 307 transitions. [2024-11-12 17:37:38,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.416666666666666) internal successors, (113), 13 states have internal predecessors, (113), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:37:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 307 transitions. [2024-11-12 17:37:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-12 17:37:38,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:37:38,995 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:37:39,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:37:39,195 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,SelfDestructingSolverStorable26 [2024-11-12 17:37:39,195 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-12 17:37:39,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:37:39,195 INFO L85 PathProgramCache]: Analyzing trace with hash -317870552, now seen corresponding path program 1 times [2024-11-12 17:37:39,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:37:39,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290136589] [2024-11-12 17:37:39,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:39,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:37:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:37:39,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1340308845] [2024-11-12 17:37:39,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:37:39,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:37:39,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:37:39,210 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 17:37:39,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:37:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:37:39,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 17:37:39,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:37:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:37:40,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:38:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:38:15,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:38:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290136589] [2024-11-12 17:38:15,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:38:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340308845] [2024-11-12 17:38:15,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340308845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:38:15,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:38:15,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2024-11-12 17:38:15,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373011007] [2024-11-12 17:38:15,373 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:38:15,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-12 17:38:15,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:38:15,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-12 17:38:15,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-11-12 17:38:15,374 INFO L87 Difference]: Start difference. First operand 272 states and 307 transitions. Second operand has 27 states, 26 states have (on average 3.8076923076923075) internal successors, (99), 26 states have internal predecessors, (99), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-12 17:38:18,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:38:20,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:38:22,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-12 17:38:34,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []