./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/hard-ll_unwindbound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:19:21,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:19:21,591 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:19:21,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:19:21,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:19:21,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:19:21,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:19:21,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:19:21,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:19:21,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:19:21,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:19:21,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:19:21,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:19:21,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:19:21,636 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:19:21,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:19:21,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:19:21,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:19:21,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:19:21,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:19:21,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:19:21,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:19:21,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:19:21,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:19:21,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:19:21,643 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:19:21,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:19:21,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:19:21,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:19:21,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:19:21,644 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:19:21,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:19:21,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:19:21,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:19:21,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:19:21,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:19:21,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:19:21,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:19:21,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:19:21,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:19:21,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:19:21,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:19:21,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:19:21,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:19:21,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 [2024-11-10 19:19:21,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:19:21,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:19:21,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:19:21,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:19:21,928 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:19:21,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2024-11-10 19:19:23,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:19:23,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:19:23,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2024-11-10 19:19:23,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f565aa5/798412711fa04638a6d1be95966882bb/FLAG964a3a59f [2024-11-10 19:19:23,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32f565aa5/798412711fa04638a6d1be95966882bb [2024-11-10 19:19:23,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:19:23,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:19:23,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:19:23,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:19:23,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:19:23,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f2c280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23, skipping insertion in model container [2024-11-10 19:19:23,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:19:23,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:19:23,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:19:23,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:19:23,855 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:19:23,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23 WrapperNode [2024-11-10 19:19:23,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:19:23,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:19:23,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:19:23,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:19:23,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,899 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-10 19:19:23,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:19:23,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:19:23,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:19:23,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:19:23,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,935 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]. [2024-11-10 19:19:23,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,940 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:19:23,947 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:19:23,947 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:19:23,947 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:19:23,948 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (1/1) ... [2024-11-10 19:19:23,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:19:23,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:23,992 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) [2024-11-10 19:19:23,996 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 [2024-11-10 19:19:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:19:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:19:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:19:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:19:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:19:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:19:24,113 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:19:24,118 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:19:24,496 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-10 19:19:24,497 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:19:24,519 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:19:24,520 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:19:24,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:24 BoogieIcfgContainer [2024-11-10 19:19:24,521 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:19:24,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:19:24,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:19:24,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:19:24,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:19:23" (1/3) ... [2024-11-10 19:19:24,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7898cb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:24, skipping insertion in model container [2024-11-10 19:19:24,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:19:23" (2/3) ... [2024-11-10 19:19:24,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7898cb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:19:24, skipping insertion in model container [2024-11-10 19:19:24,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:24" (3/3) ... [2024-11-10 19:19:24,532 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound2.c [2024-11-10 19:19:24,554 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:19:24,554 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-10 19:19:24,631 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:19:24,637 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;@6721adf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:19:24,638 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-10 19:19:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 83 states have internal predecessors, (92), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-10 19:19:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:19:24,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:24,651 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:19:24,652 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:24,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:24,659 INFO L85 PathProgramCache]: Analyzing trace with hash -686802594, now seen corresponding path program 1 times [2024-11-10 19:19:24,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:24,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385840707] [2024-11-10 19:19:24,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:24,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:19:24,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:24,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385840707] [2024-11-10 19:19:24,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385840707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:24,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:24,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:24,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779078398] [2024-11-10 19:19:24,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:24,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:19:24,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:24,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:19:24,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:19:24,835 INFO L87 Difference]: Start difference. First operand has 92 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 83 states have internal predecessors, (92), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) 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) [2024-11-10 19:19:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:24,865 INFO L93 Difference]: Finished difference Result 180 states and 214 transitions. [2024-11-10 19:19:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:19:24,867 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 [2024-11-10 19:19:24,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:24,874 INFO L225 Difference]: With dead ends: 180 [2024-11-10 19:19:24,874 INFO L226 Difference]: Without dead ends: 84 [2024-11-10 19:19:24,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:19:24,880 INFO L432 NwaCegarLoop]: 101 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, 101 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 [2024-11-10 19:19:24,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:24,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-10 19:19:24,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-10 19:19:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 50 states have (on average 1.64) internal successors, (82), 77 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2024-11-10 19:19:24,917 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 6 [2024-11-10 19:19:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:24,918 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2024-11-10 19:19:24,918 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) [2024-11-10 19:19:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2024-11-10 19:19:24,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 19:19:24,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:24,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 19:19:24,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:19:24,919 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:24,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:24,920 INFO L85 PathProgramCache]: Analyzing trace with hash -686772803, now seen corresponding path program 1 times [2024-11-10 19:19:24,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:24,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030661150] [2024-11-10 19:19:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:24,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:19:25,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:25,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030661150] [2024-11-10 19:19:25,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030661150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:25,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:25,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:25,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071371759] [2024-11-10 19:19:25,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:25,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:25,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:25,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:25,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:25,031 INFO L87 Difference]: Start difference. First operand 84 states and 92 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) [2024-11-10 19:19:25,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:25,089 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2024-11-10 19:19:25,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:25,090 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 [2024-11-10 19:19:25,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:25,091 INFO L225 Difference]: With dead ends: 94 [2024-11-10 19:19:25,091 INFO L226 Difference]: Without dead ends: 93 [2024-11-10 19:19:25,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:25,093 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 39 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:25,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 221 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:25,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-10 19:19:25,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-11-10 19:19:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 79 states have internal predecessors, (84), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2024-11-10 19:19:25,113 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 6 [2024-11-10 19:19:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:25,114 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2024-11-10 19:19:25,114 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) [2024-11-10 19:19:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2024-11-10 19:19:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:19:25,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:25,115 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:25,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:19:25,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:25,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash 184879639, now seen corresponding path program 1 times [2024-11-10 19:19:25,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:25,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650332985] [2024-11-10 19:19:25,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:19:25,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:25,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650332985] [2024-11-10 19:19:25,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650332985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:25,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:25,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:25,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410057707] [2024-11-10 19:19:25,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:25,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:25,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:25,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:25,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:25,206 INFO L87 Difference]: Start difference. First operand 87 states and 94 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) [2024-11-10 19:19:25,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:25,257 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2024-11-10 19:19:25,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:25,258 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 [2024-11-10 19:19:25,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:25,259 INFO L225 Difference]: With dead ends: 148 [2024-11-10 19:19:25,260 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 19:19:25,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:25,264 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 5 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:25,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 251 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:25,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 19:19:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-10 19:19:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 84 states have internal predecessors, (89), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:19:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2024-11-10 19:19:25,278 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 7 [2024-11-10 19:19:25,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:25,278 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2024-11-10 19:19:25,279 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) [2024-11-10 19:19:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2024-11-10 19:19:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 19:19:25,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:25,280 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:25,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:19:25,280 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:25,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:25,283 INFO L85 PathProgramCache]: Analyzing trace with hash -736557349, now seen corresponding path program 1 times [2024-11-10 19:19:25,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:25,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002903602] [2024-11-10 19:19:25,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:25,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471387813] [2024-11-10 19:19:25,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:25,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:25,324 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) [2024-11-10 19:19:25,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:19:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:25,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:19:25,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:25,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:25,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002903602] [2024-11-10 19:19:25,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:25,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471387813] [2024-11-10 19:19:25,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471387813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:25,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:25,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:25,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226854574] [2024-11-10 19:19:25,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:25,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:25,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:25,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:25,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:25,449 INFO L87 Difference]: Start difference. First operand 92 states and 99 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:19:25,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:25,535 INFO L93 Difference]: Finished difference Result 193 states and 212 transitions. [2024-11-10 19:19:25,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:25,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-10 19:19:25,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:25,537 INFO L225 Difference]: With dead ends: 193 [2024-11-10 19:19:25,538 INFO L226 Difference]: Without dead ends: 134 [2024-11-10 19:19:25,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:25,539 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 36 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:25,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 147 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:25,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-10 19:19:25,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2024-11-10 19:19:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 104 states have internal predecessors, (119), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 139 transitions. [2024-11-10 19:19:25,553 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 139 transitions. Word has length 20 [2024-11-10 19:19:25,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:25,554 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 139 transitions. [2024-11-10 19:19:25,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:19:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 139 transitions. [2024-11-10 19:19:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 19:19:25,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:25,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:25,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:19:25,756 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 [2024-11-10 19:19:25,756 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:25,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:25,757 INFO L85 PathProgramCache]: Analyzing trace with hash 621858660, now seen corresponding path program 1 times [2024-11-10 19:19:25,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:25,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151938736] [2024-11-10 19:19:25,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:25,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:25,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151938736] [2024-11-10 19:19:25,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151938736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:25,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:25,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:25,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552473809] [2024-11-10 19:19:25,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:25,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:25,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:25,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:25,908 INFO L87 Difference]: Start difference. First operand 117 states and 139 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:25,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:25,974 INFO L93 Difference]: Finished difference Result 117 states and 139 transitions. [2024-11-10 19:19:25,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:25,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2024-11-10 19:19:25,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:25,975 INFO L225 Difference]: With dead ends: 117 [2024-11-10 19:19:25,975 INFO L226 Difference]: Without dead ends: 115 [2024-11-10 19:19:25,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:25,976 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 54 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:25,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 75 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:25,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-10 19:19:25,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-10 19:19:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 102 states have internal predecessors, (116), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 136 transitions. [2024-11-10 19:19:25,992 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 136 transitions. Word has length 28 [2024-11-10 19:19:25,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:25,992 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 136 transitions. [2024-11-10 19:19:25,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2024-11-10 19:19:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:19:25,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:25,995 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:25,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:19:25,995 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:25,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:25,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2097748031, now seen corresponding path program 1 times [2024-11-10 19:19:25,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:25,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852987232] [2024-11-10 19:19:25,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:25,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:26,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:26,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852987232] [2024-11-10 19:19:26,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852987232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:26,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:26,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:19:26,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772468598] [2024-11-10 19:19:26,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:26,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:26,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:26,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:26,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:26,157 INFO L87 Difference]: Start difference. First operand 115 states and 136 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:26,253 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2024-11-10 19:19:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:19:26,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 19:19:26,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:26,255 INFO L225 Difference]: With dead ends: 115 [2024-11-10 19:19:26,256 INFO L226 Difference]: Without dead ends: 114 [2024-11-10 19:19:26,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:19:26,258 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 147 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:26,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 223 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-10 19:19:26,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-10 19:19:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 101 states have internal predecessors, (114), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:26,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2024-11-10 19:19:26,277 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 29 [2024-11-10 19:19:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:26,277 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2024-11-10 19:19:26,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2024-11-10 19:19:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:19:26,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:26,280 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:26,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:19:26,280 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:26,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:26,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2097749312, now seen corresponding path program 1 times [2024-11-10 19:19:26,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:26,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793823681] [2024-11-10 19:19:26,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:26,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:26,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:26,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793823681] [2024-11-10 19:19:26,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793823681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:26,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:26,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:26,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903849200] [2024-11-10 19:19:26,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:26,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:26,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:26,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:26,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:26,374 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:26,426 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2024-11-10 19:19:26,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:26,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-10 19:19:26,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:26,429 INFO L225 Difference]: With dead ends: 124 [2024-11-10 19:19:26,429 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 19:19:26,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:26,430 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 23 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:26,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 138 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:26,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 19:19:26,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2024-11-10 19:19:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 101 states have internal predecessors, (113), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2024-11-10 19:19:26,440 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 29 [2024-11-10 19:19:26,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:26,441 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2024-11-10 19:19:26,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2024-11-10 19:19:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:19:26,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:26,442 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:26,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:19:26,443 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:26,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:26,444 INFO L85 PathProgramCache]: Analyzing trace with hash 605679545, now seen corresponding path program 1 times [2024-11-10 19:19:26,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:26,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897436766] [2024-11-10 19:19:26,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:26,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:26,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:26,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897436766] [2024-11-10 19:19:26,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897436766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:26,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:26,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:19:26,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975687636] [2024-11-10 19:19:26,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:26,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:26,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:26,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:26,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:26,626 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:26,703 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2024-11-10 19:19:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:19:26,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-10 19:19:26,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:26,705 INFO L225 Difference]: With dead ends: 133 [2024-11-10 19:19:26,705 INFO L226 Difference]: Without dead ends: 124 [2024-11-10 19:19:26,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:19:26,706 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 29 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:26,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 323 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:26,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-10 19:19:26,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 118. [2024-11-10 19:19:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 104 states have internal predecessors, (114), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:19:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2024-11-10 19:19:26,714 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 30 [2024-11-10 19:19:26,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:26,715 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2024-11-10 19:19:26,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2024-11-10 19:19:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:19:26,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:26,716 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:26,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:19:26,716 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:26,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:26,716 INFO L85 PathProgramCache]: Analyzing trace with hash 641737403, now seen corresponding path program 1 times [2024-11-10 19:19:26,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:26,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381002483] [2024-11-10 19:19:26,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:26,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:26,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52864025] [2024-11-10 19:19:26,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:26,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:26,733 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) [2024-11-10 19:19:26,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:19:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:26,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:26,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:26,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:26,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:26,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381002483] [2024-11-10 19:19:26,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:26,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52864025] [2024-11-10 19:19:26,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52864025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:26,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:26,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:26,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747868248] [2024-11-10 19:19:26,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:26,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:26,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:26,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:26,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:26,844 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:26,896 INFO L93 Difference]: Finished difference Result 161 states and 187 transitions. [2024-11-10 19:19:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:26,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2024-11-10 19:19:26,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:26,898 INFO L225 Difference]: With dead ends: 161 [2024-11-10 19:19:26,898 INFO L226 Difference]: Without dead ends: 157 [2024-11-10 19:19:26,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:26,900 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 47 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:26,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 113 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:26,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-10 19:19:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 141. [2024-11-10 19:19:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 102 states have (on average 1.411764705882353) internal successors, (144), 125 states have internal predecessors, (144), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2024-11-10 19:19:26,916 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 33 [2024-11-10 19:19:26,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:26,918 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2024-11-10 19:19:26,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2024-11-10 19:19:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:19:26,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:26,920 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:26,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:19:27,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-10 19:19:27,121 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:27,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:27,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1765645799, now seen corresponding path program 1 times [2024-11-10 19:19:27,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:27,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971484730] [2024-11-10 19:19:27,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:27,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:27,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:27,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971484730] [2024-11-10 19:19:27,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971484730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:27,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:27,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:27,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441816084] [2024-11-10 19:19:27,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:27,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:27,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:27,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:27,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:27,205 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:27,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:27,964 INFO L93 Difference]: Finished difference Result 167 states and 196 transitions. [2024-11-10 19:19:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:27,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2024-11-10 19:19:27,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:27,966 INFO L225 Difference]: With dead ends: 167 [2024-11-10 19:19:27,966 INFO L226 Difference]: Without dead ends: 166 [2024-11-10 19:19:27,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:27,966 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 120 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:27,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 126 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:19:27,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-10 19:19:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 149. [2024-11-10 19:19:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 110 states have (on average 1.4) internal successors, (154), 133 states have internal predecessors, (154), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 178 transitions. [2024-11-10 19:19:27,990 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 178 transitions. Word has length 35 [2024-11-10 19:19:27,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:27,991 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 178 transitions. [2024-11-10 19:19:27,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 178 transitions. [2024-11-10 19:19:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:19:27,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:27,992 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:27,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:19:27,992 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:27,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:27,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1099555092, now seen corresponding path program 1 times [2024-11-10 19:19:27,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:27,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733864589] [2024-11-10 19:19:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:27,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:28,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82523752] [2024-11-10 19:19:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:28,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:28,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:28,014 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) [2024-11-10 19:19:28,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:19:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:28,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:19:28,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:28,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:28,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:28,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733864589] [2024-11-10 19:19:28,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:28,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82523752] [2024-11-10 19:19:28,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82523752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:28,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:28,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:28,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485036264] [2024-11-10 19:19:28,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:28,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:28,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:28,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:28,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:28,272 INFO L87 Difference]: Start difference. First operand 149 states and 178 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:28,461 INFO L93 Difference]: Finished difference Result 155 states and 183 transitions. [2024-11-10 19:19:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:28,462 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2024-11-10 19:19:28,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:28,464 INFO L225 Difference]: With dead ends: 155 [2024-11-10 19:19:28,464 INFO L226 Difference]: Without dead ends: 152 [2024-11-10 19:19:28,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:28,465 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 26 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:28,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 159 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:19:28,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-10 19:19:28,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-10 19:19:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 113 states have (on average 1.3805309734513274) internal successors, (156), 136 states have internal predecessors, (156), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2024-11-10 19:19:28,479 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 36 [2024-11-10 19:19:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:28,480 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2024-11-10 19:19:28,480 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2024-11-10 19:19:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-10 19:19:28,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:28,481 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:28,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:19:28,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:28,683 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:28,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:28,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1724175833, now seen corresponding path program 1 times [2024-11-10 19:19:28,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:28,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702581746] [2024-11-10 19:19:28,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:28,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:28,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:28,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:28,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:28,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702581746] [2024-11-10 19:19:28,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702581746] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:28,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736189044] [2024-11-10 19:19:28,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:28,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:28,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:28,772 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) [2024-11-10 19:19:28,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:19:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:28,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:19:28,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:28,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:19:28,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736189044] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:28,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:28,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-10 19:19:28,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688035259] [2024-11-10 19:19:28,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:28,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:19:28,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:19:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:19:28,979 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:19:29,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:29,128 INFO L93 Difference]: Finished difference Result 304 states and 361 transitions. [2024-11-10 19:19:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:19:29,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 36 [2024-11-10 19:19:29,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:29,130 INFO L225 Difference]: With dead ends: 304 [2024-11-10 19:19:29,130 INFO L226 Difference]: Without dead ends: 219 [2024-11-10 19:19:29,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:19:29,131 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 89 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:29,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 402 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:29,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-10 19:19:29,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 198. [2024-11-10 19:19:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 151 states have (on average 1.3708609271523178) internal successors, (207), 174 states have internal predecessors, (207), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 19:19:29,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 243 transitions. [2024-11-10 19:19:29,147 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 243 transitions. Word has length 36 [2024-11-10 19:19:29,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:29,148 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 243 transitions. [2024-11-10 19:19:29,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 19:19:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 243 transitions. [2024-11-10 19:19:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-10 19:19:29,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:29,149 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:29,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:29,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:29,354 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:29,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:29,354 INFO L85 PathProgramCache]: Analyzing trace with hash -810686887, now seen corresponding path program 1 times [2024-11-10 19:19:29,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:29,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564317554] [2024-11-10 19:19:29,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:29,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:29,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190271591] [2024-11-10 19:19:29,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:29,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:29,368 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) [2024-11-10 19:19:29,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:19:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:29,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:19:29,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:29,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564317554] [2024-11-10 19:19:29,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:29,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190271591] [2024-11-10 19:19:29,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190271591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:29,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:29,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:29,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625770904] [2024-11-10 19:19:29,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:29,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:29,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:29,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:29,462 INFO L87 Difference]: Start difference. First operand 198 states and 243 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:29,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:29,542 INFO L93 Difference]: Finished difference Result 236 states and 284 transitions. [2024-11-10 19:19:29,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:29,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-10 19:19:29,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:29,544 INFO L225 Difference]: With dead ends: 236 [2024-11-10 19:19:29,544 INFO L226 Difference]: Without dead ends: 226 [2024-11-10 19:19:29,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:29,545 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 92 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:29,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 156 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:29,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-10 19:19:29,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2024-11-10 19:19:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 163 states have (on average 1.3067484662576687) internal successors, (213), 182 states have internal predecessors, (213), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:19:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2024-11-10 19:19:29,562 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 49 [2024-11-10 19:19:29,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:29,563 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2024-11-10 19:19:29,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2024-11-10 19:19:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 19:19:29,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:29,564 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:29,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:29,768 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,SelfDestructingSolverStorable12 [2024-11-10 19:19:29,771 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:29,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:29,772 INFO L85 PathProgramCache]: Analyzing trace with hash 638510322, now seen corresponding path program 1 times [2024-11-10 19:19:29,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:29,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034460091] [2024-11-10 19:19:29,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:29,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:29,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892410645] [2024-11-10 19:19:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:29,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:29,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:29,794 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) [2024-11-10 19:19:29,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:19:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:29,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:29,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:19:29,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:29,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:29,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034460091] [2024-11-10 19:19:29,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:29,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892410645] [2024-11-10 19:19:29,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892410645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:29,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:29,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:19:29,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441535968] [2024-11-10 19:19:29,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:29,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:29,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:29,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:29,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:29,990 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:30,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:30,095 INFO L93 Difference]: Finished difference Result 316 states and 382 transitions. [2024-11-10 19:19:30,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:19:30,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2024-11-10 19:19:30,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:30,098 INFO L225 Difference]: With dead ends: 316 [2024-11-10 19:19:30,098 INFO L226 Difference]: Without dead ends: 312 [2024-11-10 19:19:30,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:30,099 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 77 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:30,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 202 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:30,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-10 19:19:30,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 278. [2024-11-10 19:19:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 227 states have (on average 1.3259911894273129) internal successors, (301), 246 states have internal predecessors, (301), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 19:19:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 353 transitions. [2024-11-10 19:19:30,123 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 353 transitions. Word has length 50 [2024-11-10 19:19:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:30,123 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 353 transitions. [2024-11-10 19:19:30,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:19:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 353 transitions. [2024-11-10 19:19:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:19:30,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:30,127 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:30,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:30,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:30,332 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:30,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:30,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1849941272, now seen corresponding path program 1 times [2024-11-10 19:19:30,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:30,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55808009] [2024-11-10 19:19:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:30,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 19:19:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:19:30,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:30,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55808009] [2024-11-10 19:19:30,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55808009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:30,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:30,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:19:30,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253683369] [2024-11-10 19:19:30,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:30,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:19:30,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:30,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:19:30,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:19:30,482 INFO L87 Difference]: Start difference. First operand 278 states and 353 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:30,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:30,976 INFO L93 Difference]: Finished difference Result 291 states and 366 transitions. [2024-11-10 19:19:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:30,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-11-10 19:19:30,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:30,981 INFO L225 Difference]: With dead ends: 291 [2024-11-10 19:19:30,982 INFO L226 Difference]: Without dead ends: 273 [2024-11-10 19:19:30,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:30,984 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 60 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:30,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 148 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:19:30,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-10 19:19:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 262. [2024-11-10 19:19:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 213 states have (on average 1.3427230046948357) internal successors, (286), 232 states have internal predecessors, (286), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:19:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 334 transitions. [2024-11-10 19:19:31,003 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 334 transitions. Word has length 52 [2024-11-10 19:19:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:31,003 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 334 transitions. [2024-11-10 19:19:31,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 334 transitions. [2024-11-10 19:19:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-10 19:19:31,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:31,004 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-10 19:19:31,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:19:31,004 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:31,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:31,005 INFO L85 PathProgramCache]: Analyzing trace with hash 2107952002, now seen corresponding path program 1 times [2024-11-10 19:19:31,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:31,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248328990] [2024-11-10 19:19:31,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:31,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:31,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248328990] [2024-11-10 19:19:31,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248328990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670240776] [2024-11-10 19:19:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:31,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:31,073 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) [2024-11-10 19:19:31,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:19:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:19:31,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:31,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:31,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670240776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:31,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:31,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 19:19:31,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736770436] [2024-11-10 19:19:31,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:31,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:19:31,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:31,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:19:31,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:31,251 INFO L87 Difference]: Start difference. First operand 262 states and 334 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:19:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:31,432 INFO L93 Difference]: Finished difference Result 410 states and 514 transitions. [2024-11-10 19:19:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:19:31,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 58 [2024-11-10 19:19:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:31,434 INFO L225 Difference]: With dead ends: 410 [2024-11-10 19:19:31,435 INFO L226 Difference]: Without dead ends: 408 [2024-11-10 19:19:31,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:31,435 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 185 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:31,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 262 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-10 19:19:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 342. [2024-11-10 19:19:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 284 states have (on average 1.3556338028169015) internal successors, (385), 303 states have internal predecessors, (385), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:19:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 451 transitions. [2024-11-10 19:19:31,459 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 451 transitions. Word has length 58 [2024-11-10 19:19:31,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:31,460 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 451 transitions. [2024-11-10 19:19:31,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-10 19:19:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2024-11-10 19:19:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 19:19:31,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:31,461 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:31,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:19:31,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:31,662 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:31,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:31,662 INFO L85 PathProgramCache]: Analyzing trace with hash 921962935, now seen corresponding path program 1 times [2024-11-10 19:19:31,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:31,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220054039] [2024-11-10 19:19:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:31,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:31,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220054039] [2024-11-10 19:19:31,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220054039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:31,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393854986] [2024-11-10 19:19:31,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:31,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:31,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:31,812 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) [2024-11-10 19:19:31,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:19:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:31,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:19:31,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:19:31,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:32,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393854986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:32,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:32,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-10 19:19:32,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867126678] [2024-11-10 19:19:32,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:32,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:19:32,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:32,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:19:32,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:19:32,073 INFO L87 Difference]: Start difference. First operand 342 states and 451 transitions. Second operand has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 19:19:32,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:32,355 INFO L93 Difference]: Finished difference Result 399 states and 504 transitions. [2024-11-10 19:19:32,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 19:19:32,356 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 59 [2024-11-10 19:19:32,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:32,358 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:19:32,358 INFO L226 Difference]: Without dead ends: 398 [2024-11-10 19:19:32,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:19:32,359 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 208 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:32,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 436 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-10 19:19:32,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 369. [2024-11-10 19:19:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 309 states have (on average 1.3365695792880259) internal successors, (413), 328 states have internal predecessors, (413), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:19:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 479 transitions. [2024-11-10 19:19:32,381 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 479 transitions. Word has length 59 [2024-11-10 19:19:32,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:32,381 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 479 transitions. [2024-11-10 19:19:32,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-10 19:19:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 479 transitions. [2024-11-10 19:19:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:19:32,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:32,383 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:32,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:19:32,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 19:19:32,587 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:32,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1090261905, now seen corresponding path program 1 times [2024-11-10 19:19:32,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:32,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576832580] [2024-11-10 19:19:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:32,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:32,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [588381626] [2024-11-10 19:19:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:32,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:32,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:32,613 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) [2024-11-10 19:19:32,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:19:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:32,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:19:32,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:19:32,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:32,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:32,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576832580] [2024-11-10 19:19:32,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:32,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588381626] [2024-11-10 19:19:32,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588381626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:32,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:19:32,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:19:32,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121373845] [2024-11-10 19:19:32,973 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:32,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:32,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:32,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:32,974 INFO L87 Difference]: Start difference. First operand 369 states and 479 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:19:33,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:33,132 INFO L93 Difference]: Finished difference Result 386 states and 497 transitions. [2024-11-10 19:19:33,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:19:33,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2024-11-10 19:19:33,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:33,134 INFO L225 Difference]: With dead ends: 386 [2024-11-10 19:19:33,136 INFO L226 Difference]: Without dead ends: 376 [2024-11-10 19:19:33,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:19:33,137 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 67 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:33,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 150 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:19:33,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-10 19:19:33,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 369. [2024-11-10 19:19:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 309 states have (on average 1.3203883495145632) internal successors, (408), 328 states have internal predecessors, (408), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:19:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 474 transitions. [2024-11-10 19:19:33,171 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 474 transitions. Word has length 65 [2024-11-10 19:19:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:33,171 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 474 transitions. [2024-11-10 19:19:33,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:19:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 474 transitions. [2024-11-10 19:19:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:19:33,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:33,174 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:33,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:19:33,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 19:19:33,375 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:33,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:33,376 INFO L85 PathProgramCache]: Analyzing trace with hash 487558559, now seen corresponding path program 1 times [2024-11-10 19:19:33,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:33,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738665756] [2024-11-10 19:19:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:33,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:19:33,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354430899] [2024-11-10 19:19:33,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:33,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:33,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:33,399 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) [2024-11-10 19:19:33,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:19:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:19:33,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:33,609 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-10 19:19:33,609 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:19:33,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:33,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738665756] [2024-11-10 19:19:33,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:19:33,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354430899] [2024-11-10 19:19:33,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354430899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:33,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:33,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:33,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453824945] [2024-11-10 19:19:33,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:33,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:33,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:33,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:33,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:33,611 INFO L87 Difference]: Start difference. First operand 369 states and 474 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:33,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:33,676 INFO L93 Difference]: Finished difference Result 385 states and 490 transitions. [2024-11-10 19:19:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:33,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 76 [2024-11-10 19:19:33,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:33,679 INFO L225 Difference]: With dead ends: 385 [2024-11-10 19:19:33,679 INFO L226 Difference]: Without dead ends: 379 [2024-11-10 19:19:33,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:33,680 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 28 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:33,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 101 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:33,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-10 19:19:33,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 341. [2024-11-10 19:19:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 285 states have (on average 1.3017543859649123) internal successors, (371), 304 states have internal predecessors, (371), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 19:19:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 429 transitions. [2024-11-10 19:19:33,699 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 429 transitions. Word has length 76 [2024-11-10 19:19:33,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:33,700 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 429 transitions. [2024-11-10 19:19:33,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:19:33,700 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 429 transitions. [2024-11-10 19:19:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 19:19:33,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:33,701 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:19:33,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:33,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:33,905 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:33,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1213852688, now seen corresponding path program 2 times [2024-11-10 19:19:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:33,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880070288] [2024-11-10 19:19:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:33,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:19:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:34,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:34,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880070288] [2024-11-10 19:19:34,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880070288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:19:34,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078262712] [2024-11-10 19:19:34,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:19:34,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:34,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:19:34,023 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) [2024-11-10 19:19:34,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:19:34,076 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:19:34,076 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:19:34,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:19:34,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:19:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:19:34,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:19:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:34,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078262712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:19:34,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:19:34,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2024-11-10 19:19:34,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014526510] [2024-11-10 19:19:34,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:19:34,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:19:34,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:34,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:19:34,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:34,261 INFO L87 Difference]: Start difference. First operand 341 states and 429 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-10 19:19:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:34,345 INFO L93 Difference]: Finished difference Result 424 states and 525 transitions. [2024-11-10 19:19:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:19:34,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 79 [2024-11-10 19:19:34,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:34,347 INFO L225 Difference]: With dead ends: 424 [2024-11-10 19:19:34,347 INFO L226 Difference]: Without dead ends: 227 [2024-11-10 19:19:34,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 168 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:19:34,348 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 21 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:34,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 296 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:34,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-10 19:19:34,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 226. [2024-11-10 19:19:34,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 191 states have (on average 1.256544502617801) internal successors, (240), 205 states have internal predecessors, (240), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 19:19:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 272 transitions. [2024-11-10 19:19:34,368 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 272 transitions. Word has length 79 [2024-11-10 19:19:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:34,368 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 272 transitions. [2024-11-10 19:19:34,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-10 19:19:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 272 transitions. [2024-11-10 19:19:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:19:34,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:34,369 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:34,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:19:34,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:19:34,569 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:34,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:34,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1828099473, now seen corresponding path program 1 times [2024-11-10 19:19:34,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:34,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231056008] [2024-11-10 19:19:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 19:19:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-10 19:19:34,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:34,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231056008] [2024-11-10 19:19:34,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231056008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:34,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:34,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 19:19:34,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219136616] [2024-11-10 19:19:34,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:34,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:19:34,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:34,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:19:34,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:19:34,652 INFO L87 Difference]: Start difference. First operand 226 states and 272 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:19:34,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:34,700 INFO L93 Difference]: Finished difference Result 249 states and 284 transitions. [2024-11-10 19:19:34,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:19:34,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 83 [2024-11-10 19:19:34,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:34,701 INFO L225 Difference]: With dead ends: 249 [2024-11-10 19:19:34,701 INFO L226 Difference]: Without dead ends: 154 [2024-11-10 19:19:34,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:19:34,702 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 3 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:34,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 279 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:34,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-10 19:19:34,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-10 19:19:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 125 states have (on average 1.208) internal successors, (151), 137 states have internal predecessors, (151), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 175 transitions. [2024-11-10 19:19:34,713 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 175 transitions. Word has length 83 [2024-11-10 19:19:34,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:34,713 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 175 transitions. [2024-11-10 19:19:34,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:19:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 175 transitions. [2024-11-10 19:19:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 19:19:34,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:34,714 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:34,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 19:19:34,714 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:34,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:34,715 INFO L85 PathProgramCache]: Analyzing trace with hash -836834033, now seen corresponding path program 1 times [2024-11-10 19:19:34,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:34,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241279032] [2024-11-10 19:19:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:34,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-10 19:19:34,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:34,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241279032] [2024-11-10 19:19:34,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241279032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:34,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:34,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:19:34,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863421710] [2024-11-10 19:19:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:34,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:19:34,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:34,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:19:34,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:34,777 INFO L87 Difference]: Start difference. First operand 154 states and 175 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:34,817 INFO L93 Difference]: Finished difference Result 154 states and 175 transitions. [2024-11-10 19:19:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:19:34,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-10 19:19:34,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:34,818 INFO L225 Difference]: With dead ends: 154 [2024-11-10 19:19:34,818 INFO L226 Difference]: Without dead ends: 153 [2024-11-10 19:19:34,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:19:34,819 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:34,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 116 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:34,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-10 19:19:34,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-10 19:19:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 125 states have (on average 1.192) internal successors, (149), 136 states have internal predecessors, (149), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:19:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 173 transitions. [2024-11-10 19:19:34,829 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 173 transitions. Word has length 86 [2024-11-10 19:19:34,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:34,829 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 173 transitions. [2024-11-10 19:19:34,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:19:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 173 transitions. [2024-11-10 19:19:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 19:19:34,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:19:34,830 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:34,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 19:19:34,831 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-10 19:19:34,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:19:34,831 INFO L85 PathProgramCache]: Analyzing trace with hash -172051258, now seen corresponding path program 1 times [2024-11-10 19:19:34,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:19:34,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502587735] [2024-11-10 19:19:34,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:19:34,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:19:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 19:19:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 19:19:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 19:19:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 19:19:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 19:19:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 19:19:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 19:19:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 19:19:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:19:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:19:34,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:19:34,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502587735] [2024-11-10 19:19:34,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502587735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:19:34,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:19:34,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 19:19:34,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725952944] [2024-11-10 19:19:34,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:19:34,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 19:19:34,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:19:34,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 19:19:34,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:19:34,976 INFO L87 Difference]: Start difference. First operand 153 states and 173 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:35,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:19:35,056 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2024-11-10 19:19:35,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:19:35,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2024-11-10 19:19:35,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:19:35,058 INFO L225 Difference]: With dead ends: 153 [2024-11-10 19:19:35,058 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:19:35,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:19:35,059 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 26 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:19:35,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 148 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:19:35,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:19:35,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:19:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:19:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:19:35,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2024-11-10 19:19:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:19:35,060 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:19:35,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:19:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:19:35,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:19:35,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-11-10 19:19:35,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-11-10 19:19:35,063 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-11-10 19:19:35,064 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-11-10 19:19:35,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-11-10 19:19:35,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-11-10 19:19:35,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-11-10 19:19:35,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-11-10 19:19:35,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-11-10 19:19:35,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-11-10 19:19:35,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-11-10 19:19:35,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-11-10 19:19:35,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-11-10 19:19:35,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-11-10 19:19:35,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-11-10 19:19:35,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-11-10 19:19:35,066 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-11-10 19:19:35,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-11-10 19:19:35,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-11-10 19:19:35,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-11-10 19:19:35,067 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-11-10 19:19:35,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 19:19:35,070 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:19:35,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:19:35,536 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:19:35,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:19:35 BoogieIcfgContainer [2024-11-10 19:19:35,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:19:35,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:19:35,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:19:35,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:19:35,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:19:24" (3/4) ... [2024-11-10 19:19:35,567 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:19:35,571 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-10 19:19:35,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-10 19:19:35,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 19:19:35,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:19:35,579 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:19:35,674 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:19:35,674 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:19:35,674 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:19:35,675 INFO L158 Benchmark]: Toolchain (without parser) took 12072.89ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 90.5MB in the beginning and 115.0MB in the end (delta: -24.5MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-11-10 19:19:35,675 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 146.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:19:35,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.09ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 77.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 19:19:35,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.42ms. Allocated memory is still 146.8MB. Free memory was 77.4MB in the beginning and 75.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:19:35,676 INFO L158 Benchmark]: Boogie Preprocessor took 42.54ms. Allocated memory is still 146.8MB. Free memory was 75.5MB in the beginning and 73.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:19:35,676 INFO L158 Benchmark]: IcfgBuilder took 574.21ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 73.7MB in the beginning and 175.7MB in the end (delta: -102.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-10 19:19:35,676 INFO L158 Benchmark]: TraceAbstraction took 11038.68ms. Allocated memory is still 211.8MB. Free memory was 174.6MB in the beginning and 120.2MB in the end (delta: 54.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-11-10 19:19:35,676 INFO L158 Benchmark]: Witness Printer took 110.78ms. Allocated memory is still 211.8MB. Free memory was 120.2MB in the beginning and 115.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 19:19:35,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 146.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.09ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 77.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.42ms. Allocated memory is still 146.8MB. Free memory was 77.4MB in the beginning and 75.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.54ms. Allocated memory is still 146.8MB. Free memory was 75.5MB in the beginning and 73.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 574.21ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 73.7MB in the beginning and 175.7MB in the end (delta: -102.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11038.68ms. Allocated memory is still 211.8MB. Free memory was 174.6MB in the beginning and 120.2MB in the end (delta: 54.4MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Witness Printer took 110.78ms. Allocated memory is still 211.8MB. Free memory was 120.2MB in the beginning and 115.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 23, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1419 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1386 mSDsluCounter, 4573 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2838 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1347 IncrementalHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 1735 mSDtfsCounter, 1347 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1057 GetRequests, 935 SyntacticMatches, 5 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=369occurred in iteration=17, InterpolantAutomatonStates: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 296 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1600 NumberOfCodeBlocks, 1600 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1472 ConstructedInterpolants, 0 QuantifiedInterpolants, 3603 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1195 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 31 InterpolantComputations, 17 PerfectInterpolantSequences, 1515/1658 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 23]: Location Invariant Derived location invariant: (((((((((2 == p) && (0 <= r)) && (r <= 4294967295)) && (d <= 8589934590)) && (q == 0)) && (((__int128) r + 1) <= d)) && (counter == 2)) || (((((((d <= B) && (p == 1)) && (0 <= r)) && (q == 0)) && (((__int128) r + 1) <= B)) && (counter == 1)) && (0 <= d))) || ((((((((d <= 4611686018427387903) && (2 <= p)) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (counter <= 2147483646)) && (0 <= d)) && (3 <= counter))) - InvariantResult [Line: 35]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:19:35,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE