./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/geo1-ll2_unwindbound100.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 b61db512cc77bff784b3cdbd5d852c5dc364bdc7776dcbb3369c7c75ae1fb315 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:44:53,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:44:53,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:44:53,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:44:53,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:44:53,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:44:53,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:44:53,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:44:53,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:44:53,807 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:44:53,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:44:53,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:44:53,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:44:53,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:44:53,809 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:44:53,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:44:53,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:44:53,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:44:53,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:44:53,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:44:53,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:44:53,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:44:53,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:44:53,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:44:53,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:44:53,814 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:44:53,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:44:53,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:44:53,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:44:53,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:44:53,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:44:53,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:44:53,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:44:53,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:44:53,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:44:53,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:44:53,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:44:53,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:44:53,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:44:53,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:44:53,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:44:53,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:44:53,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:44:53,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:44:53,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b61db512cc77bff784b3cdbd5d852c5dc364bdc7776dcbb3369c7c75ae1fb315 [2024-11-19 10:44:54,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:44:54,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:44:54,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:44:54,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:44:54,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:44:54,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound100.c [2024-11-19 10:44:55,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:44:55,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:44:55,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_unwindbound100.c [2024-11-19 10:44:55,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77266f2a/c36e766d1acb433ea8071e9045e18232/FLAG12513944a [2024-11-19 10:44:55,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77266f2a/c36e766d1acb433ea8071e9045e18232 [2024-11-19 10:44:55,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:44:55,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:44:55,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:44:55,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:44:55,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:44:55,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318766ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55, skipping insertion in model container [2024-11-19 10:44:55,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:44:55,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:44:55,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:44:55,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:44:55,818 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:44:55,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55 WrapperNode [2024-11-19 10:44:55,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:44:55,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:44:55,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:44:55,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:44:55,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,846 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-19 10:44:55,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:44:55,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:44:55,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:44:55,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:44:55,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,873 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]. [2024-11-19 10:44:55,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:44:55,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:44:55,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:44:55,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:44:55,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (1/1) ... [2024-11-19 10:44:55,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:44:55,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:44:55,913 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) [2024-11-19 10:44:55,916 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 [2024-11-19 10:44:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:44:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:44:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:44:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:44:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:44:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:44:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:44:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:44:55,993 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:44:55,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:44:56,186 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-19 10:44:56,186 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:44:56,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:44:56,198 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 10:44:56,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:44:56 BoogieIcfgContainer [2024-11-19 10:44:56,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:44:56,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:44:56,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:44:56,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:44:56,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:44:55" (1/3) ... [2024-11-19 10:44:56,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7105b2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:44:56, skipping insertion in model container [2024-11-19 10:44:56,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:44:55" (2/3) ... [2024-11-19 10:44:56,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7105b2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:44:56, skipping insertion in model container [2024-11-19 10:44:56,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:44:56" (3/3) ... [2024-11-19 10:44:56,205 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll2_unwindbound100.c [2024-11-19 10:44:56,217 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:44:56,218 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-19 10:44:56,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:44:56,268 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;@610d5506, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:44:56,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-19 10:44:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 69 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:44:56,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:56,277 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:56,278 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:56,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:56,282 INFO L85 PathProgramCache]: Analyzing trace with hash -456886977, now seen corresponding path program 1 times [2024-11-19 10:44:56,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:56,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647002234] [2024-11-19 10:44:56,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:56,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:56,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:44:56,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:56,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647002234] [2024-11-19 10:44:56,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647002234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:44:56,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570161728] [2024-11-19 10:44:56,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:56,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:56,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:44:56,415 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) [2024-11-19 10:44:56,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:44:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:56,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 10:44:56,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:44:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:44:56,486 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:44:56,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570161728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:56,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:44:56,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 10:44:56,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388027406] [2024-11-19 10:44:56,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:56,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 10:44:56,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 10:44:56,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:44:56,510 INFO L87 Difference]: Start difference. First operand has 76 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 69 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:44:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:56,531 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2024-11-19 10:44:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 10:44:56,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-19 10:44:56,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:56,537 INFO L225 Difference]: With dead ends: 148 [2024-11-19 10:44:56,537 INFO L226 Difference]: Without dead ends: 69 [2024-11-19 10:44:56,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 10:44:56,543 INFO L432 NwaCegarLoop]: 78 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, 78 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 [2024-11-19 10:44:56,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:44:56,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-19 10:44:56,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-19 10:44:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 38 states have (on average 1.7105263157894737) internal successors, (65), 63 states have internal predecessors, (65), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:44:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2024-11-19 10:44:56,576 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 15 [2024-11-19 10:44:56,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:56,577 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2024-11-19 10:44:56,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:44:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2024-11-19 10:44:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:44:56,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:56,579 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:56,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:44:56,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 10:44:56,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:56,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:56,787 INFO L85 PathProgramCache]: Analyzing trace with hash 301435903, now seen corresponding path program 1 times [2024-11-19 10:44:56,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:56,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553005691] [2024-11-19 10:44:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:56,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:56,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:56,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553005691] [2024-11-19 10:44:56,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553005691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:56,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:44:56,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:44:56,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237952144] [2024-11-19 10:44:56,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:56,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:44:56,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:56,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:44:56,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:44:56,966 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-19 10:44:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:57,007 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2024-11-19 10:44:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:44:57,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 15 [2024-11-19 10:44:57,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:57,010 INFO L225 Difference]: With dead ends: 69 [2024-11-19 10:44:57,010 INFO L226 Difference]: Without dead ends: 68 [2024-11-19 10:44:57,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:44:57,011 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 66 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:57,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 127 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:44:57,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-19 10:44:57,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-19 10:44:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 62 states have internal predecessors, (64), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:44:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2024-11-19 10:44:57,022 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 15 [2024-11-19 10:44:57,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:57,026 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2024-11-19 10:44:57,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-19 10:44:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2024-11-19 10:44:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:44:57,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:57,027 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:57,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:44:57,028 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:57,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 754578445, now seen corresponding path program 1 times [2024-11-19 10:44:57,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:57,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899478706] [2024-11-19 10:44:57,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:57,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:57,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899478706] [2024-11-19 10:44:57,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899478706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:57,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:44:57,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:44:57,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411812905] [2024-11-19 10:44:57,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:57,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:44:57,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:57,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:44:57,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:44:57,131 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-19 10:44:57,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:57,170 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2024-11-19 10:44:57,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:44:57,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 16 [2024-11-19 10:44:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:57,172 INFO L225 Difference]: With dead ends: 89 [2024-11-19 10:44:57,172 INFO L226 Difference]: Without dead ends: 72 [2024-11-19 10:44:57,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:44:57,174 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 8 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:57,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 186 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:44:57,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-19 10:44:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-19 10:44:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.619047619047619) internal successors, (68), 66 states have internal predecessors, (68), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:44:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2024-11-19 10:44:57,184 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 16 [2024-11-19 10:44:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:57,186 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2024-11-19 10:44:57,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-19 10:44:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2024-11-19 10:44:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-19 10:44:57,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:57,186 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:57,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:44:57,187 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:57,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash -699585809, now seen corresponding path program 1 times [2024-11-19 10:44:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:57,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078984414] [2024-11-19 10:44:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:44:57,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1946932116] [2024-11-19 10:44:57,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:57,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:57,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:44:57,218 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) [2024-11-19 10:44:57,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:44:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:57,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:44:57,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:44:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:57,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:44:57,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:57,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078984414] [2024-11-19 10:44:57,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:44:57,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946932116] [2024-11-19 10:44:57,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946932116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:57,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:44:57,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:44:57,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978415904] [2024-11-19 10:44:57,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:57,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:44:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:57,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:44:57,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:44:57,300 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-19 10:44:57,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:57,445 INFO L93 Difference]: Finished difference Result 99 states and 114 transitions. [2024-11-19 10:44:57,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:44:57,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 18 [2024-11-19 10:44:57,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:57,446 INFO L225 Difference]: With dead ends: 99 [2024-11-19 10:44:57,446 INFO L226 Difference]: Without dead ends: 94 [2024-11-19 10:44:57,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:44:57,447 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 70 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:57,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 62 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:44:57,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-19 10:44:57,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2024-11-19 10:44:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 59 states have (on average 1.6440677966101696) internal successors, (97), 83 states have internal predecessors, (97), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:57,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 105 transitions. [2024-11-19 10:44:57,457 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 105 transitions. Word has length 18 [2024-11-19 10:44:57,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:57,457 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 105 transitions. [2024-11-19 10:44:57,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-19 10:44:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2024-11-19 10:44:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-19 10:44:57,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:57,457 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:57,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:44:57,661 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,SelfDestructingSolverStorable3 [2024-11-19 10:44:57,662 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:57,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:57,662 INFO L85 PathProgramCache]: Analyzing trace with hash -212323546, now seen corresponding path program 1 times [2024-11-19 10:44:57,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:57,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721617125] [2024-11-19 10:44:57,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:57,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:44:57,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36747280] [2024-11-19 10:44:57,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:57,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:57,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:44:57,683 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) [2024-11-19 10:44:57,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:44:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:57,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:44:57,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:44:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:57,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:44:57,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:57,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721617125] [2024-11-19 10:44:57,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:44:57,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36747280] [2024-11-19 10:44:57,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36747280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:57,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:44:57,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:44:57,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161371888] [2024-11-19 10:44:57,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:57,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:44:57,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:57,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:44:57,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:44:57,750 INFO L87 Difference]: Start difference. First operand 90 states and 105 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-19 10:44:57,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:57,846 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2024-11-19 10:44:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:44:57,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 19 [2024-11-19 10:44:57,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:57,848 INFO L225 Difference]: With dead ends: 99 [2024-11-19 10:44:57,849 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:44:57,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:44:57,850 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 68 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:57,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 62 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:44:57,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:44:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-19 10:44:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.540983606557377) internal successors, (94), 84 states have internal predecessors, (94), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2024-11-19 10:44:57,864 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 19 [2024-11-19 10:44:57,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:57,864 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2024-11-19 10:44:57,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-19 10:44:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2024-11-19 10:44:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-19 10:44:57,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:57,865 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:57,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:44:58,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:58,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:58,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:58,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1156122803, now seen corresponding path program 1 times [2024-11-19 10:44:58,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:58,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828654650] [2024-11-19 10:44:58,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:58,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:44:58,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350726861] [2024-11-19 10:44:58,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:58,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:44:58,093 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) [2024-11-19 10:44:58,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:44:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:58,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:44:58,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:44:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:58,180 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:44:58,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:58,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828654650] [2024-11-19 10:44:58,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:44:58,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350726861] [2024-11-19 10:44:58,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350726861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:58,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:44:58,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:44:58,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607372358] [2024-11-19 10:44:58,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:58,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:44:58,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:58,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:44:58,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:44:58,182 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-19 10:44:58,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:58,346 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2024-11-19 10:44:58,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:44:58,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2024-11-19 10:44:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:58,347 INFO L225 Difference]: With dead ends: 95 [2024-11-19 10:44:58,347 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:44:58,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:44:58,348 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 16 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:58,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 75 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:44:58,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:44:58,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-19 10:44:58,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 84 states have internal predecessors, (92), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2024-11-19 10:44:58,355 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 22 [2024-11-19 10:44:58,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:58,356 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2024-11-19 10:44:58,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-19 10:44:58,356 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2024-11-19 10:44:58,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:44:58,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:58,357 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:58,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:44:58,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:58,561 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:58,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:58,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1480068586, now seen corresponding path program 1 times [2024-11-19 10:44:58,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:58,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698441895] [2024-11-19 10:44:58,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:58,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:44:58,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:58,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698441895] [2024-11-19 10:44:58,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698441895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:44:58,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054105334] [2024-11-19 10:44:58,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:58,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:58,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:44:58,683 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) [2024-11-19 10:44:58,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:44:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:58,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:44:58,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:44:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:58,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:44:58,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054105334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:58,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:44:58,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-19 10:44:58,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854260608] [2024-11-19 10:44:58,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:58,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:44:58,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:58,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:44:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:44:58,773 INFO L87 Difference]: Start difference. First operand 91 states and 100 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, (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) [2024-11-19 10:44:58,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:58,928 INFO L93 Difference]: Finished difference Result 95 states and 100 transitions. [2024-11-19 10:44:58,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:44:58,929 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, (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 23 [2024-11-19 10:44:58,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:58,929 INFO L225 Difference]: With dead ends: 95 [2024-11-19 10:44:58,929 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:44:58,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:44:58,931 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:58,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:44:58,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:44:58,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-19 10:44:58,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 84 states have internal predecessors, (90), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:58,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2024-11-19 10:44:58,936 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 23 [2024-11-19 10:44:58,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:58,936 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2024-11-19 10:44:58,936 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, (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) [2024-11-19 10:44:58,937 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2024-11-19 10:44:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:44:58,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:58,937 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:58,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:44:59,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:59,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:59,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:59,138 INFO L85 PathProgramCache]: Analyzing trace with hash 941106146, now seen corresponding path program 1 times [2024-11-19 10:44:59,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:59,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88788210] [2024-11-19 10:44:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:59,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:44:59,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:59,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88788210] [2024-11-19 10:44:59,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88788210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:44:59,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141433180] [2024-11-19 10:44:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:59,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:44:59,244 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) [2024-11-19 10:44:59,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:44:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:59,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:44:59,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:44:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:44:59,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:44:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:44:59,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141433180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:44:59,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:44:59,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-19 10:44:59,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798839552] [2024-11-19 10:44:59,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:44:59,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:44:59,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:59,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:44:59,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:44:59,378 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:44:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:59,443 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2024-11-19 10:44:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:44:59,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 32 [2024-11-19 10:44:59,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:59,444 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:44:59,444 INFO L226 Difference]: Without dead ends: 90 [2024-11-19 10:44:59,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:44:59,445 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:59,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 89 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:44:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-19 10:44:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-19 10:44:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 83 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-11-19 10:44:59,449 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 32 [2024-11-19 10:44:59,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:59,449 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-11-19 10:44:59,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-19 10:44:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-11-19 10:44:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-19 10:44:59,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:59,450 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:59,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:44:59,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:44:59,655 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:59,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:59,655 INFO L85 PathProgramCache]: Analyzing trace with hash 941106189, now seen corresponding path program 1 times [2024-11-19 10:44:59,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:59,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608815982] [2024-11-19 10:44:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:59,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:59,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:59,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608815982] [2024-11-19 10:44:59,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608815982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:59,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:44:59,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:44:59,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929742986] [2024-11-19 10:44:59,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:59,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:44:59,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:59,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:44:59,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:44:59,691 INFO L87 Difference]: Start difference. First operand 90 states and 96 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:44:59,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:59,702 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2024-11-19 10:44:59,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:44:59,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-19 10:44:59,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:59,703 INFO L225 Difference]: With dead ends: 92 [2024-11-19 10:44:59,704 INFO L226 Difference]: Without dead ends: 90 [2024-11-19 10:44:59,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:44:59,704 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:59,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 124 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:44:59,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-19 10:44:59,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-19 10:44:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 83 states have internal predecessors, (86), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2024-11-19 10:44:59,709 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 32 [2024-11-19 10:44:59,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:59,709 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2024-11-19 10:44:59,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:44:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2024-11-19 10:44:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:44:59,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:59,710 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:59,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:44:59,710 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:59,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:59,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1709937254, now seen corresponding path program 1 times [2024-11-19 10:44:59,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:59,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939730651] [2024-11-19 10:44:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:59,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:59,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:44:59,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939730651] [2024-11-19 10:44:59,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939730651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:44:59,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:44:59,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:44:59,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940527262] [2024-11-19 10:44:59,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:44:59,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:44:59,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:44:59,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:44:59,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:44:59,759 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:44:59,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:44:59,930 INFO L93 Difference]: Finished difference Result 123 states and 144 transitions. [2024-11-19 10:44:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:44:59,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2024-11-19 10:44:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:44:59,934 INFO L225 Difference]: With dead ends: 123 [2024-11-19 10:44:59,934 INFO L226 Difference]: Without dead ends: 122 [2024-11-19 10:44:59,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:44:59,935 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 51 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:44:59,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 85 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:44:59,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-19 10:44:59,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 91. [2024-11-19 10:44:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 62 states have (on average 1.403225806451613) internal successors, (87), 84 states have internal predecessors, (87), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:44:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2024-11-19 10:44:59,948 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 36 [2024-11-19 10:44:59,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:44:59,948 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2024-11-19 10:44:59,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:44:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2024-11-19 10:44:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:44:59,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:44:59,949 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:44:59,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:44:59,949 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:44:59,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:44:59,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1468447424, now seen corresponding path program 1 times [2024-11-19 10:44:59,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:44:59,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850031833] [2024-11-19 10:44:59,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:44:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:44:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:44:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:44:59,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:00,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850031833] [2024-11-19 10:45:00,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850031833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:45:00,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:45:00,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:45:00,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062453378] [2024-11-19 10:45:00,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:45:00,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:45:00,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:00,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:45:00,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:45:00,004 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:00,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:00,173 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2024-11-19 10:45:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:45:00,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-11-19 10:45:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:00,174 INFO L225 Difference]: With dead ends: 93 [2024-11-19 10:45:00,175 INFO L226 Difference]: Without dead ends: 92 [2024-11-19 10:45:00,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:45:00,175 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 8 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:00,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 103 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:45:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-19 10:45:00,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-19 10:45:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 85 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:45:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 96 transitions. [2024-11-19 10:45:00,185 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 96 transitions. Word has length 37 [2024-11-19 10:45:00,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:00,185 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 96 transitions. [2024-11-19 10:45:00,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2024-11-19 10:45:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-19 10:45:00,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:00,186 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:00,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 10:45:00,186 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:00,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1722770008, now seen corresponding path program 1 times [2024-11-19 10:45:00,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:00,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486534675] [2024-11-19 10:45:00,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:00,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:00,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486534675] [2024-11-19 10:45:00,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486534675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:45:00,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:45:00,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:45:00,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68209636] [2024-11-19 10:45:00,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:45:00,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:45:00,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:00,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:45:00,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:45:00,269 INFO L87 Difference]: Start difference. First operand 92 states and 96 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:00,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:00,526 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-11-19 10:45:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:45:00,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-19 10:45:00,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:00,527 INFO L225 Difference]: With dead ends: 101 [2024-11-19 10:45:00,527 INFO L226 Difference]: Without dead ends: 99 [2024-11-19 10:45:00,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:45:00,528 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:00,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 83 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:45:00,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-19 10:45:00,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2024-11-19 10:45:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.4) internal successors, (98), 91 states have internal predecessors, (98), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:45:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2024-11-19 10:45:00,532 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 38 [2024-11-19 10:45:00,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:00,533 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2024-11-19 10:45:00,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2024-11-19 10:45:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-19 10:45:00,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:00,533 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:00,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:45:00,534 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:00,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:00,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1518064243, now seen corresponding path program 1 times [2024-11-19 10:45:00,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:00,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585364945] [2024-11-19 10:45:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:00,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:45:00,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546004254] [2024-11-19 10:45:00,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:00,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:00,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:00,545 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) [2024-11-19 10:45:00,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:45:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:00,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:45:00,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:45:00,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:45:00,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:00,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585364945] [2024-11-19 10:45:00,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:45:00,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546004254] [2024-11-19 10:45:00,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546004254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:00,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:45:00,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:45:00,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846184984] [2024-11-19 10:45:00,783 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:45:00,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:45:00,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:00,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:45:00,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:45:00,785 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 7 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:00,869 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2024-11-19 10:45:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:45:00,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2024-11-19 10:45:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:00,871 INFO L225 Difference]: With dead ends: 98 [2024-11-19 10:45:00,871 INFO L226 Difference]: Without dead ends: 97 [2024-11-19 10:45:00,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:45:00,871 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 19 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:00,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 115 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:45:00,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-19 10:45:00,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-19 10:45:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 90 states have internal predecessors, (97), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:45:00,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2024-11-19 10:45:00,877 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 38 [2024-11-19 10:45:00,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:00,877 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2024-11-19 10:45:00,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2024-11-19 10:45:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:45:00,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:00,880 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:00,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:45:01,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:01,081 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:01,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:01,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1866262590, now seen corresponding path program 1 times [2024-11-19 10:45:01,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:01,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274514274] [2024-11-19 10:45:01,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:01,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:01,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:01,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274514274] [2024-11-19 10:45:01,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274514274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:45:01,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:45:01,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:45:01,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72757608] [2024-11-19 10:45:01,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:45:01,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:45:01,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:01,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:45:01,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:45:01,196 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:01,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:01,483 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2024-11-19 10:45:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:45:01,483 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-19 10:45:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:01,484 INFO L225 Difference]: With dead ends: 99 [2024-11-19 10:45:01,484 INFO L226 Difference]: Without dead ends: 90 [2024-11-19 10:45:01,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:45:01,484 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 19 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:01,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 85 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:45:01,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-19 10:45:01,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-19 10:45:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 83 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:45:01,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-11-19 10:45:01,488 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 39 [2024-11-19 10:45:01,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:01,488 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-11-19 10:45:01,488 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-11-19 10:45:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:45:01,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:01,489 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:01,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:45:01,489 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:01,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:01,490 INFO L85 PathProgramCache]: Analyzing trace with hash -184648636, now seen corresponding path program 1 times [2024-11-19 10:45:01,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:01,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007408213] [2024-11-19 10:45:01,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:01,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:45:01,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74618422] [2024-11-19 10:45:01,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:01,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:01,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:01,500 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) [2024-11-19 10:45:01,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:45:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:01,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:45:01,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:45:01,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:45:02,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:02,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007408213] [2024-11-19 10:45:02,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:45:02,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74618422] [2024-11-19 10:45:02,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74618422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:02,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:45:02,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-19 10:45:02,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503930030] [2024-11-19 10:45:02,120 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:45:02,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:45:02,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:02,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:45:02,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:45:02,121 INFO L87 Difference]: Start difference. First operand 90 states and 96 transitions. Second operand has 7 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:02,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:02,277 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2024-11-19 10:45:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:45:02,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2024-11-19 10:45:02,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:02,278 INFO L225 Difference]: With dead ends: 93 [2024-11-19 10:45:02,278 INFO L226 Difference]: Without dead ends: 92 [2024-11-19 10:45:02,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:45:02,279 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 60 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:02,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 111 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:45:02,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-19 10:45:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-19 10:45:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 85 states have internal predecessors, (90), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:45:02,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2024-11-19 10:45:02,283 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 39 [2024-11-19 10:45:02,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:02,283 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2024-11-19 10:45:02,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-11-19 10:45:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 10:45:02,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:02,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:02,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:45:02,487 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,SelfDestructingSolverStorable14 [2024-11-19 10:45:02,488 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:02,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:02,489 INFO L85 PathProgramCache]: Analyzing trace with hash 985630886, now seen corresponding path program 1 times [2024-11-19 10:45:02,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:02,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912200564] [2024-11-19 10:45:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:02,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912200564] [2024-11-19 10:45:02,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912200564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407848106] [2024-11-19 10:45:02,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:02,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:02,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:02,531 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) [2024-11-19 10:45:02,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:45:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:02,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:45:02,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:02,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:45:02,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407848106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:45:02,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:45:02,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 10:45:02,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794904118] [2024-11-19 10:45:02,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:45:02,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:45:02,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:02,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:45:02,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:45:02,602 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:02,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:02,632 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2024-11-19 10:45:02,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:45:02,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-19 10:45:02,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:02,633 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:45:02,633 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:45:02,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:45:02,633 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 37 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:02,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 211 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:45:02,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:45:02,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2024-11-19 10:45:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 84 states have internal predecessors, (89), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:45:02,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2024-11-19 10:45:02,637 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 42 [2024-11-19 10:45:02,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:02,637 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2024-11-19 10:45:02,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:45:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2024-11-19 10:45:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 10:45:02,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:02,638 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:02,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 10:45:02,838 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,SelfDestructingSolverStorable15 [2024-11-19 10:45:02,838 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:02,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:02,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1996489400, now seen corresponding path program 1 times [2024-11-19 10:45:02,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:02,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726036601] [2024-11-19 10:45:02,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:02,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:45:02,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760412426] [2024-11-19 10:45:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:02,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:02,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:02,849 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) [2024-11-19 10:45:02,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:45:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:02,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:45:02,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:45:03,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:45:03,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726036601] [2024-11-19 10:45:03,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:45:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760412426] [2024-11-19 10:45:03,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760412426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:03,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:45:03,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:45:03,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573851181] [2024-11-19 10:45:03,251 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:45:03,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:45:03,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:03,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:45:03,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:45:03,252 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:03,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:03,354 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2024-11-19 10:45:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:45:03,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2024-11-19 10:45:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:03,355 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:45:03,355 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:45:03,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:45:03,355 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 65 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:03,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 142 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:45:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:45:03,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 10:45:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 79 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-19 10:45:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-19 10:45:03,359 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 44 [2024-11-19 10:45:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:03,359 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-19 10:45:03,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-19 10:45:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 10:45:03,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:03,360 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:03,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:45:03,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:45:03,565 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:03,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:03,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1761629203, now seen corresponding path program 1 times [2024-11-19 10:45:03,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:03,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935670127] [2024-11-19 10:45:03,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:03,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:45:03,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608674888] [2024-11-19 10:45:03,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:03,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:03,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:03,574 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) [2024-11-19 10:45:03,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:45:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:03,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:45:03,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:45:03,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:45:04,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:04,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935670127] [2024-11-19 10:45:04,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:45:04,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608674888] [2024-11-19 10:45:04,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608674888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:04,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:45:04,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-19 10:45:04,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044976720] [2024-11-19 10:45:04,405 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-19 10:45:04,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:45:04,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:04,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:45:04,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:45:04,406 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:04,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:04,511 INFO L93 Difference]: Finished difference Result 121 states and 133 transitions. [2024-11-19 10:45:04,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:45:04,511 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2024-11-19 10:45:04,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:04,512 INFO L225 Difference]: With dead ends: 121 [2024-11-19 10:45:04,512 INFO L226 Difference]: Without dead ends: 116 [2024-11-19 10:45:04,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:45:04,513 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 78 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:04,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 127 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:45:04,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-19 10:45:04,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2024-11-19 10:45:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 92 states have (on average 1.2717391304347827) internal successors, (117), 106 states have internal predecessors, (117), 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) [2024-11-19 10:45:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 127 transitions. [2024-11-19 10:45:04,517 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 127 transitions. Word has length 45 [2024-11-19 10:45:04,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:04,517 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 127 transitions. [2024-11-19 10:45:04,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:45:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 127 transitions. [2024-11-19 10:45:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 10:45:04,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:04,518 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:04,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 10:45:04,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:45:04,722 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:04,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:04,722 INFO L85 PathProgramCache]: Analyzing trace with hash -508273865, now seen corresponding path program 1 times [2024-11-19 10:45:04,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:04,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001450608] [2024-11-19 10:45:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:45:04,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:04,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001450608] [2024-11-19 10:45:04,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001450608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:45:04,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:45:04,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:45:04,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268618903] [2024-11-19 10:45:04,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:45:04,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:45:04,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:04,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:45:04,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:45:04,753 INFO L87 Difference]: Start difference. First operand 114 states and 127 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-19 10:45:05,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:05,044 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2024-11-19 10:45:05,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:45:05,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 48 [2024-11-19 10:45:05,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:05,045 INFO L225 Difference]: With dead ends: 114 [2024-11-19 10:45:05,045 INFO L226 Difference]: Without dead ends: 113 [2024-11-19 10:45:05,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:45:05,046 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 48 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:05,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 78 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:45:05,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-19 10:45:05,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-19 10:45:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.25) internal successors, (115), 105 states have internal predecessors, (115), 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) [2024-11-19 10:45:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2024-11-19 10:45:05,050 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 48 [2024-11-19 10:45:05,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:05,050 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2024-11-19 10:45:05,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-19 10:45:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2024-11-19 10:45:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-19 10:45:05,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:05,050 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:05,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:45:05,050 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:05,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:05,051 INFO L85 PathProgramCache]: Analyzing trace with hash -490142068, now seen corresponding path program 1 times [2024-11-19 10:45:05,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:05,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813081629] [2024-11-19 10:45:05,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:05,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:45:05,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [27280514] [2024-11-19 10:45:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:05,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:05,081 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:45:05,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:45:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:05,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:45:05,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:05,250 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:05,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:45:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:05,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:05,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813081629] [2024-11-19 10:45:05,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 10:45:05,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27280514] [2024-11-19 10:45:05,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27280514] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:45:05,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 10:45:05,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-19 10:45:05,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213863315] [2024-11-19 10:45:05,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 10:45:05,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:45:05,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:05,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:45:05,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:45:05,520 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:45:06,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:06,473 INFO L93 Difference]: Finished difference Result 133 states and 146 transitions. [2024-11-19 10:45:06,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:45:06,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2024-11-19 10:45:06,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:06,474 INFO L225 Difference]: With dead ends: 133 [2024-11-19 10:45:06,474 INFO L226 Difference]: Without dead ends: 130 [2024-11-19 10:45:06,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:45:06,475 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 59 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:06,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 151 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 10:45:06,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-19 10:45:06,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2024-11-19 10:45:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 103 states have (on average 1.233009708737864) internal successors, (127), 116 states have internal predecessors, (127), 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) [2024-11-19 10:45:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 137 transitions. [2024-11-19 10:45:06,479 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 137 transitions. Word has length 48 [2024-11-19 10:45:06,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:06,480 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 137 transitions. [2024-11-19 10:45:06,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:45:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2024-11-19 10:45:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-19 10:45:06,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:06,480 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:06,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-19 10:45:06,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:06,681 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:06,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:06,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1423379471, now seen corresponding path program 1 times [2024-11-19 10:45:06,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:06,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839898670] [2024-11-19 10:45:06,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:06,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:06,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:06,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839898670] [2024-11-19 10:45:06,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839898670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:06,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315381863] [2024-11-19 10:45:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:06,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:06,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:06,727 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:45:06,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:45:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:06,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:45:06,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:06,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:45:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 10:45:06,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315381863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:45:06,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:45:06,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-19 10:45:06,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657371468] [2024-11-19 10:45:06,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:45:06,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:45:06,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:06,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:45:06,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:45:06,856 INFO L87 Difference]: Start difference. First operand 124 states and 137 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:45:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:06,931 INFO L93 Difference]: Finished difference Result 188 states and 193 transitions. [2024-11-19 10:45:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:45:06,931 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 49 [2024-11-19 10:45:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:06,932 INFO L225 Difference]: With dead ends: 188 [2024-11-19 10:45:06,932 INFO L226 Difference]: Without dead ends: 172 [2024-11-19 10:45:06,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-19 10:45:06,933 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 68 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:06,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 363 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:45:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-19 10:45:06,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 149. [2024-11-19 10:45:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 124 states have (on average 1.2419354838709677) internal successors, (154), 137 states have internal predecessors, (154), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:45:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 166 transitions. [2024-11-19 10:45:06,939 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 166 transitions. Word has length 49 [2024-11-19 10:45:06,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:06,939 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 166 transitions. [2024-11-19 10:45:06,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:45:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 166 transitions. [2024-11-19 10:45:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:45:06,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:06,939 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:06,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-19 10:45:07,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 10:45:07,144 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:07,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2051316058, now seen corresponding path program 1 times [2024-11-19 10:45:07,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:07,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199612686] [2024-11-19 10:45:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:07,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:45:07,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:07,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199612686] [2024-11-19 10:45:07,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199612686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:07,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137365616] [2024-11-19 10:45:07,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:07,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:07,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:07,181 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:45:07,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:45:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:07,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:45:07,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:45:07,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:45:07,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137365616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:45:07,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:45:07,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 10:45:07,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340162834] [2024-11-19 10:45:07,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:45:07,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:45:07,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:07,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:45:07,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:45:07,258 INFO L87 Difference]: Start difference. First operand 149 states and 166 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:45:07,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:07,277 INFO L93 Difference]: Finished difference Result 151 states and 166 transitions. [2024-11-19 10:45:07,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:45:07,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2024-11-19 10:45:07,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:07,278 INFO L225 Difference]: With dead ends: 151 [2024-11-19 10:45:07,278 INFO L226 Difference]: Without dead ends: 150 [2024-11-19 10:45:07,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:45:07,279 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 21 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:07,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 126 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:45:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-19 10:45:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2024-11-19 10:45:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 124 states have (on average 1.217741935483871) internal successors, (151), 136 states have internal predecessors, (151), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:45:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 163 transitions. [2024-11-19 10:45:07,284 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 163 transitions. Word has length 58 [2024-11-19 10:45:07,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:07,284 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 163 transitions. [2024-11-19 10:45:07,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-19 10:45:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 163 transitions. [2024-11-19 10:45:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 10:45:07,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:07,285 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:07,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-19 10:45:07,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:07,485 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:07,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:07,485 INFO L85 PathProgramCache]: Analyzing trace with hash 833711717, now seen corresponding path program 1 times [2024-11-19 10:45:07,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:07,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671908617] [2024-11-19 10:45:07,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:07,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:45:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671908617] [2024-11-19 10:45:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671908617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060073787] [2024-11-19 10:45:07,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:07,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:07,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:07,539 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:45:07,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:45:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:07,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:45:07,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:07,614 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:45:07,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:45:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-19 10:45:07,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060073787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:45:07,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:45:07,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:45:07,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062449495] [2024-11-19 10:45:07,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:45:07,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:45:07,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:07,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:45:07,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:45:07,666 INFO L87 Difference]: Start difference. First operand 148 states and 163 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:45:07,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:07,704 INFO L93 Difference]: Finished difference Result 174 states and 183 transitions. [2024-11-19 10:45:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:45:07,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 59 [2024-11-19 10:45:07,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:07,706 INFO L225 Difference]: With dead ends: 174 [2024-11-19 10:45:07,706 INFO L226 Difference]: Without dead ends: 173 [2024-11-19 10:45:07,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:45:07,707 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 24 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:07,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 207 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:45:07,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-19 10:45:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 160. [2024-11-19 10:45:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 135 states have (on average 1.2296296296296296) internal successors, (166), 147 states have internal predecessors, (166), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:45:07,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 180 transitions. [2024-11-19 10:45:07,714 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 180 transitions. Word has length 59 [2024-11-19 10:45:07,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:07,714 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 180 transitions. [2024-11-19 10:45:07,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-19 10:45:07,714 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 180 transitions. [2024-11-19 10:45:07,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 10:45:07,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:07,716 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:07,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-19 10:45:07,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:07,917 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:07,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:07,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1129173049, now seen corresponding path program 1 times [2024-11-19 10:45:07,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:07,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885817783] [2024-11-19 10:45:07,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:07,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:45:08,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:45:08,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885817783] [2024-11-19 10:45:08,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885817783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:45:08,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198879652] [2024-11-19 10:45:08,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:08,096 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:45:08,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:45:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:45:08,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 10:45:08,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:45:12,736 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:45:12,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:45:12,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198879652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:45:12,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:45:12,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-19 10:45:12,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046581359] [2024-11-19 10:45:12,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:45:12,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:45:12,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:45:12,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:45:12,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:45:12,737 INFO L87 Difference]: Start difference. First operand 160 states and 180 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:45:19,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:23,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:25,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:30,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:32,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:33,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:37,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:40,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-19 10:45:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:45:40,732 INFO L93 Difference]: Finished difference Result 162 states and 180 transitions. [2024-11-19 10:45:40,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:45:40,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 63 [2024-11-19 10:45:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:45:40,733 INFO L225 Difference]: With dead ends: 162 [2024-11-19 10:45:40,733 INFO L226 Difference]: Without dead ends: 150 [2024-11-19 10:45:40,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:45:40,734 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 43 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2024-11-19 10:45:40,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 167 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 4 Unknown, 0 Unchecked, 27.8s Time] [2024-11-19 10:45:40,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-19 10:45:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-19 10:45:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.208) internal successors, (151), 137 states have internal predecessors, (151), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-19 10:45:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 165 transitions. [2024-11-19 10:45:40,741 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 165 transitions. Word has length 63 [2024-11-19 10:45:40,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:45:40,741 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 165 transitions. [2024-11-19 10:45:40,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:45:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 165 transitions. [2024-11-19 10:45:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 10:45:40,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:45:40,741 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:40,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-19 10:45:40,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-19 10:45:40,942 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2024-11-19 10:45:40,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:45:40,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1121924213, now seen corresponding path program 1 times [2024-11-19 10:45:40,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:45:40,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050932261] [2024-11-19 10:45:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:45:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 10:45:40,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1010620353] [2024-11-19 10:45:40,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:45:40,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:40,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:45:40,952 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:45:40,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:45:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 10:45:40,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 10:45:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 10:45:41,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 10:45:41,112 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 10:45:41,112 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2024-11-19 10:45:41,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2024-11-19 10:45:41,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2024-11-19 10:45:41,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2024-11-19 10:45:41,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2024-11-19 10:45:41,115 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2024-11-19 10:45:41,116 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2024-11-19 10:45:41,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2024-11-19 10:45:41,117 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2024-11-19 10:45:41,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-19 10:45:41,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:45:41,320 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:45:41,349 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:45:41,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:45:41 BoogieIcfgContainer [2024-11-19 10:45:41,351 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:45:41,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:45:41,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:45:41,352 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:45:41,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:44:56" (3/4) ... [2024-11-19 10:45:41,352 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-19 10:45:41,395 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:45:41,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:45:41,396 INFO L158 Benchmark]: Toolchain (without parser) took 45845.70ms. Allocated memory was 146.8MB in the beginning and 257.9MB in the end (delta: 111.1MB). Free memory was 75.2MB in the beginning and 194.5MB in the end (delta: -119.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:45:41,396 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 146.8MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:45:41,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.61ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 75.0MB in the beginning and 185.3MB in the end (delta: -110.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-19 10:45:41,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.19ms. Allocated memory is still 213.9MB. Free memory was 185.3MB in the beginning and 183.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:45:41,396 INFO L158 Benchmark]: Boogie Preprocessor took 33.43ms. Allocated memory is still 213.9MB. Free memory was 183.2MB in the beginning and 181.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:45:41,397 INFO L158 Benchmark]: RCFGBuilder took 315.31ms. Allocated memory is still 213.9MB. Free memory was 181.1MB in the beginning and 165.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 10:45:41,397 INFO L158 Benchmark]: TraceAbstraction took 45151.14ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 165.4MB in the beginning and 197.6MB in the end (delta: -32.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-19 10:45:41,397 INFO L158 Benchmark]: Witness Printer took 43.91ms. Allocated memory is still 257.9MB. Free memory was 197.6MB in the beginning and 194.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:45:41,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 146.8MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.61ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 75.0MB in the beginning and 185.3MB in the end (delta: -110.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.19ms. Allocated memory is still 213.9MB. Free memory was 185.3MB in the beginning and 183.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.43ms. Allocated memory is still 213.9MB. Free memory was 183.2MB in the beginning and 181.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.31ms. Allocated memory is still 213.9MB. Free memory was 181.1MB in the beginning and 165.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 45151.14ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 165.4MB in the beginning and 197.6MB in the end (delta: -32.2MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 43.91ms. Allocated memory is still 257.9MB. Free memory was 197.6MB in the beginning and 194.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 43]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; VAL [counter=0] [L24] int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L28] CALL assume_abort_if_not(z >= 1) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, counter=0] [L28] RET assume_abort_if_not(z >= 1) VAL [counter=0, k=3, z=2097153] [L29] CALL assume_abort_if_not(k >= 1) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, counter=0] [L29] RET assume_abort_if_not(k >= 1) VAL [counter=0, k=3, z=2097153] [L31] x = 1 [L32] y = z [L33] c = 1 VAL [c=1, counter=0, k=3, x=1, y=2097153, z=2097153] [L35] EXPR counter++ VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L35] COND TRUE counter++<100 [L36] EXPR x*z VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] EXPR x*z - x VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] EXPR x*z - x - y VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] EXPR x*z - x - y + 1 VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L36] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L38] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=3, x=1, y=2097153, z=2097153] [L41] EXPR c + 1 [L41] c = c + 1 VAL [c=2, counter=1, k=3, x=1, y=2097153, z=2097153] [L42] EXPR x * z VAL [c=2, counter=1, k=3, x=1, y=2097153, z=2097153] [L42] EXPR x * z + 1 [L42] x = x * z + 1 VAL [c=2, counter=1, k=3, x=2097154, y=2097153, z=2097153] [L43] EXPR y * z [L43] y = y * z VAL [c=2, counter=1, k=3, x=2097154, y=4398050705409, z=2097153] [L35] EXPR counter++ VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L35] COND TRUE counter++<100 [L36] EXPR x*z VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] EXPR x*z - x VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] EXPR x*z - x - y VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] EXPR x*z - x - y + 1 VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L36] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L38] COND FALSE !(!(c < k)) VAL [c=2, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L41] EXPR c + 1 [L41] c = c + 1 VAL [c=3, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L42] EXPR x * z VAL [c=3, counter=2, k=3, x=2097154, y=4398050705409, z=2097153] [L42] EXPR x * z + 1 [L42] x = x * z + 1 VAL [c=3, counter=2, k=3, x=4398052802563, y=4398050705409, z=2097153] [L43] y * z VAL [c=3, counter=2, k=3, x=4398052802563] - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 45.1s, OverallIterations: 25, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 31.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 893 SdHoareTripleChecker+Valid, 30.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 877 mSDsluCounter, 3034 SdHoareTripleChecker+Invalid, 30.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1912 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2142 IncrementalHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 1122 mSDtfsCounter, 2142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 948 GetRequests, 829 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=23, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 92 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 1619 NumberOfCodeBlocks, 1619 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1368 ConstructedInterpolants, 20 QuantifiedInterpolants, 5045 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1406 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 36 InterpolantComputations, 16 PerfectInterpolantSequences, 176/329 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-19 10:45:41,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)