./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:15:48,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:15:48,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:15:48,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:15:48,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:15:48,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:15:48,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:15:48,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:15:48,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:15:48,609 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:15:48,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:15:48,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:15:48,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:15:48,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:15:48,613 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:15:48,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:15:48,614 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:15:48,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:15:48,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:15:48,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:15:48,615 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2025-01-10 02:15:48,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:15:48,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:15:48,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:15:48,843 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:15:48,843 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:15:48,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2025-01-10 02:15:50,160 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c51da8770/64ee1ea34269441dae29326cab8d9c97/FLAG5c20a9bd3 [2025-01-10 02:15:50,536 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:15:50,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2025-01-10 02:15:50,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c51da8770/64ee1ea34269441dae29326cab8d9c97/FLAG5c20a9bd3 [2025-01-10 02:15:50,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c51da8770/64ee1ea34269441dae29326cab8d9c97 [2025-01-10 02:15:50,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:15:50,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:15:50,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:15:50,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:15:50,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:15:50,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7677d3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50, skipping insertion in model container [2025-01-10 02:15:50,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:15:50,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:15:50,846 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:15:50,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:15:50,899 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:15:50,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50 WrapperNode [2025-01-10 02:15:50,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:15:50,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:15:50,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:15:50,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:15:50,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,929 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2025-01-10 02:15:50,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:15:50,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:15:50,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:15:50,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:15:50,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,943 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-01-10 02:15:50,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,945 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:15:50,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:15:50,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:15:50,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:15:50,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (1/1) ... [2025-01-10 02:15:50,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:15:50,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:50,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:15:50,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 02:15:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:15:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:15:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:15:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:15:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 02:15:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:15:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:15:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:15:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:15:51,031 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:15:51,032 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:15:51,131 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-10 02:15:51,132 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:15:51,138 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:15:51,138 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-10 02:15:51,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:15:51 BoogieIcfgContainer [2025-01-10 02:15:51,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:15:51,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:15:51,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:15:51,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:15:51,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:15:50" (1/3) ... [2025-01-10 02:15:51,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17973ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:15:51, skipping insertion in model container [2025-01-10 02:15:51,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:15:50" (2/3) ... [2025-01-10 02:15:51,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17973ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:15:51, skipping insertion in model container [2025-01-10 02:15:51,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:15:51" (3/3) ... [2025-01-10 02:15:51,147 INFO L128 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound10.c [2025-01-10 02:15:51,157 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:15:51,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG lcm1_unwindbound10.c that has 3 procedures, 47 locations, 1 initial locations, 3 loop locations, and 6 error locations. [2025-01-10 02:15:51,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:15:51,199 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;@461b8fe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:15:51,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 02:15:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:15:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 02:15:51,205 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:51,206 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:51,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:51,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069437, now seen corresponding path program 1 times [2025-01-10 02:15:51,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:51,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784087025] [2025-01-10 02:15:51,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:51,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:51,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:15:51,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:15:51,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:51,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:15:51,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:51,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784087025] [2025-01-10 02:15:51,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784087025] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:51,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982931828] [2025-01-10 02:15:51,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:51,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:51,320 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:15:51,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 02:15:51,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:15:51,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:15:51,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:51,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:51,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:15:51,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:15:51,428 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:15:51,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982931828] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:51,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:15:51,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:15:51,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883528018] [2025-01-10 02:15:51,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:51,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:15:51,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:51,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:15:51,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:15:51,454 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:15:51,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:51,468 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2025-01-10 02:15:51,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:15:51,470 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2025-01-10 02:15:51,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:51,474 INFO L225 Difference]: With dead ends: 90 [2025-01-10 02:15:51,474 INFO L226 Difference]: Without dead ends: 39 [2025-01-10 02:15:51,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:15:51,478 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:51,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:15:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-01-10 02:15:51,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-01-10 02:15:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:15:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2025-01-10 02:15:51,510 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2025-01-10 02:15:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:51,511 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2025-01-10 02:15:51,511 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:15:51,511 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2025-01-10 02:15:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 02:15:51,516 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:51,516 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:51,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 02:15:51,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 02:15:51,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:51,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:51,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941507, now seen corresponding path program 1 times [2025-01-10 02:15:51,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:51,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414275292] [2025-01-10 02:15:51,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:51,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:51,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:15:51,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:15:51,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:51,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:51,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:51,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414275292] [2025-01-10 02:15:51,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414275292] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:51,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:15:51,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:15:51,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710218169] [2025-01-10 02:15:51,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:51,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:15:51,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:51,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:15:51,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:15:51,842 INFO L87 Difference]: Start difference. First operand 39 states and 48 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:15:51,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:51,882 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2025-01-10 02:15:51,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:15:51,882 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2025-01-10 02:15:51,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:51,883 INFO L225 Difference]: With dead ends: 45 [2025-01-10 02:15:51,883 INFO L226 Difference]: Without dead ends: 43 [2025-01-10 02:15:51,886 INFO L434 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 [2025-01-10 02:15:51,886 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:51,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:15:51,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-01-10 02:15:51,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2025-01-10 02:15:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:15:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2025-01-10 02:15:51,891 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2025-01-10 02:15:51,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:51,896 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2025-01-10 02:15:51,896 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:15:51,896 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2025-01-10 02:15:51,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:15:51,897 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:51,897 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:51,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:15:51,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:51,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:51,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1187336732, now seen corresponding path program 1 times [2025-01-10 02:15:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:51,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845241563] [2025-01-10 02:15:51,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:51,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:15:51,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:15:51,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:51,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:52,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:52,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845241563] [2025-01-10 02:15:52,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845241563] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:52,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:15:52,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:15:52,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641488641] [2025-01-10 02:15:52,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:52,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:15:52,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:52,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:15:52,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:15:52,013 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:15:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:52,212 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2025-01-10 02:15:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:15:52,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2025-01-10 02:15:52,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:52,214 INFO L225 Difference]: With dead ends: 62 [2025-01-10 02:15:52,214 INFO L226 Difference]: Without dead ends: 61 [2025-01-10 02:15:52,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:15:52,214 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:52,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 177 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:15:52,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-01-10 02:15:52,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2025-01-10 02:15:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:15:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2025-01-10 02:15:52,220 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2025-01-10 02:15:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:52,221 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2025-01-10 02:15:52,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:15:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2025-01-10 02:15:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:15:52,221 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:52,221 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:52,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:15:52,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:52,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:52,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1847266907, now seen corresponding path program 1 times [2025-01-10 02:15:52,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:52,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440548092] [2025-01-10 02:15:52,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:52,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:52,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:15:52,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:15:52,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:52,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:52,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:52,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440548092] [2025-01-10 02:15:52,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440548092] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:52,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:15:52,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:15:52,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923426996] [2025-01-10 02:15:52,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:52,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:15:52,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:52,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:15:52,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:15:52,401 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:15:52,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:52,521 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2025-01-10 02:15:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:15:52,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2025-01-10 02:15:52,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:52,523 INFO L225 Difference]: With dead ends: 91 [2025-01-10 02:15:52,523 INFO L226 Difference]: Without dead ends: 63 [2025-01-10 02:15:52,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:15:52,524 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:52,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 144 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:15:52,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-10 02:15:52,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-10 02:15:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:15:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2025-01-10 02:15:52,559 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2025-01-10 02:15:52,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:52,559 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2025-01-10 02:15:52,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:15:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2025-01-10 02:15:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 02:15:52,561 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:52,561 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:52,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:15:52,561 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:52,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1777757559, now seen corresponding path program 1 times [2025-01-10 02:15:52,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070708994] [2025-01-10 02:15:52,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:52,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:15:52,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:15:52,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:52,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:15:52,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:52,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070708994] [2025-01-10 02:15:52,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070708994] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:52,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:15:52,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 02:15:52,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856809604] [2025-01-10 02:15:52,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:52,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:15:52,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:52,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:15:52,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:15:52,744 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:15:53,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:53,102 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2025-01-10 02:15:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:15:53,103 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2025-01-10 02:15:53,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:53,104 INFO L225 Difference]: With dead ends: 81 [2025-01-10 02:15:53,104 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:15:53,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:15:53,105 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:53,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 232 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:15:53,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:15:53,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2025-01-10 02:15:53,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:15:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2025-01-10 02:15:53,111 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2025-01-10 02:15:53,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:53,112 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2025-01-10 02:15:53,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:15:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2025-01-10 02:15:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:15:53,113 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:53,113 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:53,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:15:53,113 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:53,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:53,114 INFO L85 PathProgramCache]: Analyzing trace with hash 724090606, now seen corresponding path program 1 times [2025-01-10 02:15:53,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:53,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568420182] [2025-01-10 02:15:53,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:53,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:53,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:15:53,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:15:53,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:53,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:15:53,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:53,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568420182] [2025-01-10 02:15:53,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568420182] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:53,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:15:53,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 02:15:53,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060191486] [2025-01-10 02:15:53,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:53,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:15:53,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:53,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:15:53,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:15:53,274 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:15:53,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:53,443 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2025-01-10 02:15:53,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:15:53,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2025-01-10 02:15:53,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:53,446 INFO L225 Difference]: With dead ends: 115 [2025-01-10 02:15:53,446 INFO L226 Difference]: Without dead ends: 87 [2025-01-10 02:15:53,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:15:53,447 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:53,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:15:53,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-01-10 02:15:53,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2025-01-10 02:15:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 02:15:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2025-01-10 02:15:53,459 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2025-01-10 02:15:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:53,460 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2025-01-10 02:15:53,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:15:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2025-01-10 02:15:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:15:53,465 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:53,466 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 02:15:53,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:15:53,468 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:53,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash 724128342, now seen corresponding path program 1 times [2025-01-10 02:15:53,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:53,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078169612] [2025-01-10 02:15:53,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:53,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:53,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:15:53,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:15:53,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:53,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:15:53,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:53,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078169612] [2025-01-10 02:15:53,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078169612] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:53,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317040061] [2025-01-10 02:15:53,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:53,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:53,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:53,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:15:53,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 02:15:53,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:15:53,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:15:53,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:53,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:53,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:15:53,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:53,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:15:53,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317040061] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:15:53,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:15:53,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2025-01-10 02:15:53,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431007448] [2025-01-10 02:15:53,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:53,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:15:53,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:53,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:15:53,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:15:53,977 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2025-01-10 02:15:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:54,469 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2025-01-10 02:15:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:15:54,469 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2025-01-10 02:15:54,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:54,471 INFO L225 Difference]: With dead ends: 233 [2025-01-10 02:15:54,473 INFO L226 Difference]: Without dead ends: 195 [2025-01-10 02:15:54,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2025-01-10 02:15:54,474 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 114 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:54,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 289 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:15:54,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-01-10 02:15:54,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2025-01-10 02:15:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-10 02:15:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2025-01-10 02:15:54,490 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2025-01-10 02:15:54,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:54,491 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2025-01-10 02:15:54,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2025-01-10 02:15:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2025-01-10 02:15:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 02:15:54,492 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:54,492 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:54,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 02:15:54,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:54,694 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:54,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:54,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1101872824, now seen corresponding path program 1 times [2025-01-10 02:15:54,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:54,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446488477] [2025-01-10 02:15:54,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:54,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:15:54,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:15:54,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:54,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:15:54,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:54,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446488477] [2025-01-10 02:15:54,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446488477] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:54,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:15:54,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:15:54,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377235776] [2025-01-10 02:15:54,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:54,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:15:54,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:54,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:15:54,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:15:54,787 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:15:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:54,905 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2025-01-10 02:15:54,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:15:54,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2025-01-10 02:15:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:54,908 INFO L225 Difference]: With dead ends: 270 [2025-01-10 02:15:54,908 INFO L226 Difference]: Without dead ends: 205 [2025-01-10 02:15:54,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:15:54,909 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:54,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 172 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:15:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-01-10 02:15:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2025-01-10 02:15:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:15:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2025-01-10 02:15:54,922 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2025-01-10 02:15:54,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:54,922 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2025-01-10 02:15:54,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:15:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2025-01-10 02:15:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 02:15:54,923 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:54,923 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:54,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:15:54,923 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:54,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:54,924 INFO L85 PathProgramCache]: Analyzing trace with hash 201782157, now seen corresponding path program 1 times [2025-01-10 02:15:54,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:54,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837183588] [2025-01-10 02:15:54,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:54,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:54,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 02:15:54,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:15:54,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:54,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:15:55,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837183588] [2025-01-10 02:15:55,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837183588] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172632711] [2025-01-10 02:15:55,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:55,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:55,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:55,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:15:55,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:15:55,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 02:15:55,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:15:55,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:55,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:55,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:15:55,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:55,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:15:55,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172632711] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:15:55,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:15:55,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2025-01-10 02:15:55,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217113117] [2025-01-10 02:15:55,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:55,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-10 02:15:55,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:55,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-10 02:15:55,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:15:55,424 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2025-01-10 02:15:56,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:56,553 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2025-01-10 02:15:56,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-10 02:15:56,553 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2025-01-10 02:15:56,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:56,555 INFO L225 Difference]: With dead ends: 379 [2025-01-10 02:15:56,555 INFO L226 Difference]: Without dead ends: 296 [2025-01-10 02:15:56,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2025-01-10 02:15:56,557 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 175 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:56,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 327 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:15:56,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-01-10 02:15:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2025-01-10 02:15:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 02:15:56,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2025-01-10 02:15:56,575 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2025-01-10 02:15:56,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:56,578 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2025-01-10 02:15:56,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2025-01-10 02:15:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2025-01-10 02:15:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-01-10 02:15:56,579 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:56,579 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:15:56,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:15:56,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:56,784 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:56,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:56,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1708398527, now seen corresponding path program 1 times [2025-01-10 02:15:56,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:56,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721767772] [2025-01-10 02:15:56,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:56,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:56,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 02:15:56,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 02:15:56,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:56,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:56,949 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:15:56,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:56,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721767772] [2025-01-10 02:15:56,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721767772] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:56,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107968770] [2025-01-10 02:15:56,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:56,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:56,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:56,952 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:15:56,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 02:15:56,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 02:15:56,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 02:15:56,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:56,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:56,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:15:56,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:57,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:15:57,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107968770] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:15:57,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:15:57,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2025-01-10 02:15:57,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151233671] [2025-01-10 02:15:57,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:57,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 02:15:57,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:57,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 02:15:57,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:15:57,263 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2025-01-10 02:15:57,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:57,764 INFO L93 Difference]: Finished difference Result 471 states and 581 transitions. [2025-01-10 02:15:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-10 02:15:57,765 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 59 [2025-01-10 02:15:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:57,766 INFO L225 Difference]: With dead ends: 471 [2025-01-10 02:15:57,766 INFO L226 Difference]: Without dead ends: 332 [2025-01-10 02:15:57,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2025-01-10 02:15:57,768 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 118 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:57,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 313 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:15:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-01-10 02:15:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 323. [2025-01-10 02:15:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.244186046511628) internal successors, (321), 263 states have internal predecessors, (321), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 02:15:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2025-01-10 02:15:57,781 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 59 [2025-01-10 02:15:57,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:57,781 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2025-01-10 02:15:57,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2025-01-10 02:15:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2025-01-10 02:15:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-10 02:15:57,782 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:57,782 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2025-01-10 02:15:57,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:15:57,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-10 02:15:57,987 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:57,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:57,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1681109111, now seen corresponding path program 1 times [2025-01-10 02:15:57,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:57,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118962149] [2025-01-10 02:15:57,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:57,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:57,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 02:15:57,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:15:57,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:57,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:15:58,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:58,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118962149] [2025-01-10 02:15:58,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118962149] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:58,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862577219] [2025-01-10 02:15:58,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:58,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:58,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:15:58,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 02:15:58,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 02:15:58,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:15:58,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:58,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:58,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:15:58,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:58,416 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:15:58,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862577219] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:15:58,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:15:58,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2025-01-10 02:15:58,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506466215] [2025-01-10 02:15:58,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:15:58,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:15:58,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:58,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:15:58,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:15:58,417 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2025-01-10 02:15:58,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:15:58,721 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2025-01-10 02:15:58,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:15:58,722 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2025-01-10 02:15:58,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:15:58,727 INFO L225 Difference]: With dead ends: 391 [2025-01-10 02:15:58,727 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 02:15:58,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2025-01-10 02:15:58,728 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 59 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:15:58,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 141 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:15:58,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 02:15:58,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 293. [2025-01-10 02:15:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.1623931623931625) internal successors, (272), 237 states have internal predecessors, (272), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 02:15:58,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 334 transitions. [2025-01-10 02:15:58,746 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 334 transitions. Word has length 65 [2025-01-10 02:15:58,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:15:58,746 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 334 transitions. [2025-01-10 02:15:58,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2025-01-10 02:15:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 334 transitions. [2025-01-10 02:15:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 02:15:58,747 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:15:58,747 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2025-01-10 02:15:58,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:15:58,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 02:15:58,949 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:15:58,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:15:58,949 INFO L85 PathProgramCache]: Analyzing trace with hash -574774844, now seen corresponding path program 1 times [2025-01-10 02:15:58,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:15:58,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121944477] [2025-01-10 02:15:58,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:58,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:15:58,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:15:58,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:15:58,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:58,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:15:59,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:15:59,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121944477] [2025-01-10 02:15:59,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121944477] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:15:59,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853341520] [2025-01-10 02:15:59,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:15:59,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:15:59,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:15:59,104 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:15:59,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 02:15:59,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:15:59,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:15:59,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:15:59,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:15:59,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:15:59,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:15:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:15:59,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:15:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:15:59,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853341520] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:15:59,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:15:59,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2025-01-10 02:15:59,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829471931] [2025-01-10 02:15:59,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:15:59,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-10 02:15:59,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:15:59,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-10 02:15:59,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2025-01-10 02:15:59,524 INFO L87 Difference]: Start difference. First operand 293 states and 334 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2025-01-10 02:16:00,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:00,705 INFO L93 Difference]: Finished difference Result 332 states and 381 transitions. [2025-01-10 02:16:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-10 02:16:00,705 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2025-01-10 02:16:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:00,708 INFO L225 Difference]: With dead ends: 332 [2025-01-10 02:16:00,709 INFO L226 Difference]: Without dead ends: 331 [2025-01-10 02:16:00,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2025-01-10 02:16:00,710 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 184 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:00,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 351 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:16:00,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-01-10 02:16:00,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 306. [2025-01-10 02:16:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 245 states have (on average 1.1591836734693877) internal successors, (284), 248 states have internal predecessors, (284), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2025-01-10 02:16:00,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 348 transitions. [2025-01-10 02:16:00,733 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 348 transitions. Word has length 66 [2025-01-10 02:16:00,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:00,734 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 348 transitions. [2025-01-10 02:16:00,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2025-01-10 02:16:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 348 transitions. [2025-01-10 02:16:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-10 02:16:00,736 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:00,736 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:00,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:16:00,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 02:16:00,941 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:00,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:00,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1385122664, now seen corresponding path program 1 times [2025-01-10 02:16:00,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:00,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141166013] [2025-01-10 02:16:00,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:00,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:00,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:16:00,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:16:00,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:00,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 02:16:01,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141166013] [2025-01-10 02:16:01,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141166013] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048104916] [2025-01-10 02:16:01,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:01,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:01,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:01,149 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:01,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:16:01,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:16:01,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:16:01,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:01,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:01,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:16:01,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:01,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 02:16:01,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048104916] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:01,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:01,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 26 [2025-01-10 02:16:01,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409646807] [2025-01-10 02:16:01,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:01,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-10 02:16:01,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:01,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-10 02:16:01,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:16:01,520 INFO L87 Difference]: Start difference. First operand 306 states and 348 transitions. Second operand has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 26 states have internal predecessors, (96), 11 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2025-01-10 02:16:02,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:02,099 INFO L93 Difference]: Finished difference Result 528 states and 611 transitions. [2025-01-10 02:16:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-10 02:16:02,100 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 26 states have internal predecessors, (96), 11 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 80 [2025-01-10 02:16:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:02,103 INFO L225 Difference]: With dead ends: 528 [2025-01-10 02:16:02,103 INFO L226 Difference]: Without dead ends: 369 [2025-01-10 02:16:02,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 146 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=512, Invalid=1380, Unknown=0, NotChecked=0, Total=1892 [2025-01-10 02:16:02,105 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 131 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:02,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 310 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:16:02,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-01-10 02:16:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 350. [2025-01-10 02:16:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 281 states have (on average 1.1530249110320285) internal successors, (324), 284 states have internal predecessors, (324), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2025-01-10 02:16:02,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 396 transitions. [2025-01-10 02:16:02,128 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 396 transitions. Word has length 80 [2025-01-10 02:16:02,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:02,128 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 396 transitions. [2025-01-10 02:16:02,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6923076923076925) internal successors, (96), 26 states have internal predecessors, (96), 11 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2025-01-10 02:16:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 396 transitions. [2025-01-10 02:16:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:16:02,129 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:02,130 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:02,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:02,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:02,330 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:02,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash -131064306, now seen corresponding path program 1 times [2025-01-10 02:16:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:02,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735604036] [2025-01-10 02:16:02,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:02,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:02,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:02,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:02,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:02,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:02,551 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:02,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:02,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735604036] [2025-01-10 02:16:02,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735604036] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:02,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408445641] [2025-01-10 02:16:02,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:02,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:02,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:02,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:02,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:16:02,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:02,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:02,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:02,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:02,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:16:02,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:02,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:03,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408445641] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:03,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:03,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2025-01-10 02:16:03,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214633376] [2025-01-10 02:16:03,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:03,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-10 02:16:03,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:03,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-10 02:16:03,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 02:16:03,087 INFO L87 Difference]: Start difference. First operand 350 states and 396 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:04,750 INFO L93 Difference]: Finished difference Result 766 states and 895 transitions. [2025-01-10 02:16:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-01-10 02:16:04,750 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2025-01-10 02:16:04,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:04,753 INFO L225 Difference]: With dead ends: 766 [2025-01-10 02:16:04,753 INFO L226 Difference]: Without dead ends: 607 [2025-01-10 02:16:04,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 02:16:04,755 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 399 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:04,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 424 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:16:04,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-01-10 02:16:04,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 546. [2025-01-10 02:16:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 437 states have (on average 1.1762013729977117) internal successors, (514), 440 states have internal predecessors, (514), 56 states have call successors, (56), 50 states have call predecessors, (56), 50 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2025-01-10 02:16:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 626 transitions. [2025-01-10 02:16:04,778 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 626 transitions. Word has length 86 [2025-01-10 02:16:04,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:04,779 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 626 transitions. [2025-01-10 02:16:04,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 626 transitions. [2025-01-10 02:16:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:16:04,780 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:04,780 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:04,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:04,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:04,984 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:04,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:04,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2020837704, now seen corresponding path program 1 times [2025-01-10 02:16:04,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:04,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629675088] [2025-01-10 02:16:04,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:04,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:04,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:04,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:04,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:04,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:05,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:05,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629675088] [2025-01-10 02:16:05,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629675088] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:05,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839267045] [2025-01-10 02:16:05,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:05,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:05,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:05,205 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:05,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 02:16:05,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:05,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:05,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:05,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:05,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:16:05,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:05,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:05,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839267045] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:05,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:05,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2025-01-10 02:16:05,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236371103] [2025-01-10 02:16:05,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:05,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-10 02:16:05,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:05,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-10 02:16:05,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 02:16:05,797 INFO L87 Difference]: Start difference. First operand 546 states and 626 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:07,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:07,363 INFO L93 Difference]: Finished difference Result 716 states and 824 transitions. [2025-01-10 02:16:07,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-10 02:16:07,364 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2025-01-10 02:16:07,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:07,366 INFO L225 Difference]: With dead ends: 716 [2025-01-10 02:16:07,367 INFO L226 Difference]: Without dead ends: 713 [2025-01-10 02:16:07,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2025-01-10 02:16:07,369 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 275 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:07,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 516 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:16:07,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2025-01-10 02:16:07,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 608. [2025-01-10 02:16:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 485 states have (on average 1.1835051546391753) internal successors, (574), 488 states have internal predecessors, (574), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2025-01-10 02:16:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 700 transitions. [2025-01-10 02:16:07,397 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 700 transitions. Word has length 86 [2025-01-10 02:16:07,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:07,397 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 700 transitions. [2025-01-10 02:16:07,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 700 transitions. [2025-01-10 02:16:07,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 02:16:07,398 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:07,399 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2025-01-10 02:16:07,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:16:07,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:07,603 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:07,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:07,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1183142070, now seen corresponding path program 1 times [2025-01-10 02:16:07,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:07,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088528590] [2025-01-10 02:16:07,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:07,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:07,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:16:07,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:16:07,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:07,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-10 02:16:07,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:07,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088528590] [2025-01-10 02:16:07,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088528590] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:07,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017760221] [2025-01-10 02:16:07,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:07,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:07,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:07,852 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:07,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 02:16:07,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:16:07,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:16:07,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:07,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:07,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:16:07,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:08,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-10 02:16:08,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017760221] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:08,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:08,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 28 [2025-01-10 02:16:08,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884383264] [2025-01-10 02:16:08,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:08,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 02:16:08,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:08,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 02:16:08,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2025-01-10 02:16:08,241 INFO L87 Difference]: Start difference. First operand 608 states and 700 transitions. Second operand has 28 states, 28 states have (on average 4.0) internal successors, (112), 28 states have internal predecessors, (112), 11 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2025-01-10 02:16:08,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:08,894 INFO L93 Difference]: Finished difference Result 988 states and 1148 transitions. [2025-01-10 02:16:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-10 02:16:08,895 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.0) internal successors, (112), 28 states have internal predecessors, (112), 11 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 100 [2025-01-10 02:16:08,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:08,897 INFO L225 Difference]: With dead ends: 988 [2025-01-10 02:16:08,897 INFO L226 Difference]: Without dead ends: 699 [2025-01-10 02:16:08,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 182 SyntacticMatches, 9 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=525, Invalid=2025, Unknown=0, NotChecked=0, Total=2550 [2025-01-10 02:16:08,899 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 142 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:08,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 331 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:16:08,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2025-01-10 02:16:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 670. [2025-01-10 02:16:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 537 states have (on average 1.1638733705772812) internal successors, (625), 540 states have internal predecessors, (625), 68 states have call successors, (68), 62 states have call predecessors, (68), 62 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-10 02:16:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 761 transitions. [2025-01-10 02:16:08,923 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 761 transitions. Word has length 100 [2025-01-10 02:16:08,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:08,924 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 761 transitions. [2025-01-10 02:16:08,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.0) internal successors, (112), 28 states have internal predecessors, (112), 11 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2025-01-10 02:16:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 761 transitions. [2025-01-10 02:16:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:16:08,925 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:08,925 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2025-01-10 02:16:08,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:16:09,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-10 02:16:09,126 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:09,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:09,127 INFO L85 PathProgramCache]: Analyzing trace with hash 603400210, now seen corresponding path program 1 times [2025-01-10 02:16:09,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:09,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960950951] [2025-01-10 02:16:09,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:09,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:09,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:16:09,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:16:09,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:09,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-10 02:16:09,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:09,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960950951] [2025-01-10 02:16:09,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960950951] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:09,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178923515] [2025-01-10 02:16:09,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:09,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:09,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:09,392 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:09,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:16:09,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:16:09,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:16:09,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:09,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:09,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:16:09,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 3 proven. 178 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:09,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-10 02:16:10,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178923515] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:10,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:10,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2025-01-10 02:16:10,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867412064] [2025-01-10 02:16:10,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:10,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-01-10 02:16:10,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:10,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-01-10 02:16:10,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=582, Invalid=2388, Unknown=0, NotChecked=0, Total=2970 [2025-01-10 02:16:10,164 INFO L87 Difference]: Start difference. First operand 670 states and 761 transitions. Second operand has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2025-01-10 02:16:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:12,353 INFO L93 Difference]: Finished difference Result 952 states and 1096 transitions. [2025-01-10 02:16:12,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2025-01-10 02:16:12,353 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 106 [2025-01-10 02:16:12,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:12,357 INFO L225 Difference]: With dead ends: 952 [2025-01-10 02:16:12,357 INFO L226 Difference]: Without dead ends: 950 [2025-01-10 02:16:12,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3619 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2860, Invalid=11902, Unknown=0, NotChecked=0, Total=14762 [2025-01-10 02:16:12,361 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 412 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:12,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 521 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 02:16:12,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2025-01-10 02:16:12,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 699. [2025-01-10 02:16:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 560 states have (on average 1.175) internal successors, (658), 564 states have internal predecessors, (658), 71 states have call successors, (71), 65 states have call predecessors, (71), 65 states have return successors, (71), 69 states have call predecessors, (71), 71 states have call successors, (71) [2025-01-10 02:16:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 800 transitions. [2025-01-10 02:16:12,393 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 800 transitions. Word has length 106 [2025-01-10 02:16:12,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:12,393 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 800 transitions. [2025-01-10 02:16:12,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2025-01-10 02:16:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 800 transitions. [2025-01-10 02:16:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-10 02:16:12,419 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:12,419 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 7, 7, 7, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:12,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:12,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:16:12,620 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:12,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2087286591, now seen corresponding path program 2 times [2025-01-10 02:16:12,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:12,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553934679] [2025-01-10 02:16:12,621 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:12,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:12,632 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-01-10 02:16:12,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 02:16:12,678 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:12,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-01-10 02:16:13,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:13,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553934679] [2025-01-10 02:16:13,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553934679] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:13,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169382934] [2025-01-10 02:16:13,248 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:13,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:13,250 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:13,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:16:13,279 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-01-10 02:16:13,306 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 02:16:13,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:13,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:13,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:16:13,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 3 proven. 320 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:13,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 3 proven. 140 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-01-10 02:16:14,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169382934] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:14,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:14,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 70 [2025-01-10 02:16:14,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826547536] [2025-01-10 02:16:14,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:14,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-01-10 02:16:14,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:14,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-01-10 02:16:14,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=947, Invalid=4023, Unknown=0, NotChecked=0, Total=4970 [2025-01-10 02:16:14,431 INFO L87 Difference]: Start difference. First operand 699 states and 800 transitions. Second operand has 71 states, 70 states have (on average 3.0142857142857142) internal successors, (211), 71 states have internal predecessors, (211), 31 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 31 states have call predecessors, (38), 31 states have call successors, (38) [2025-01-10 02:16:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:18,065 INFO L93 Difference]: Finished difference Result 1586 states and 1870 transitions. [2025-01-10 02:16:18,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-01-10 02:16:18,066 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 3.0142857142857142) internal successors, (211), 71 states have internal predecessors, (211), 31 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 31 states have call predecessors, (38), 31 states have call successors, (38) Word has length 130 [2025-01-10 02:16:18,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:18,073 INFO L225 Difference]: With dead ends: 1586 [2025-01-10 02:16:18,073 INFO L226 Difference]: Without dead ends: 1228 [2025-01-10 02:16:18,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6790 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5094, Invalid=21638, Unknown=0, NotChecked=0, Total=26732 [2025-01-10 02:16:18,079 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 837 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:18,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 401 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 02:16:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2025-01-10 02:16:18,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 680. [2025-01-10 02:16:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 545 states have (on average 1.1706422018348623) internal successors, (638), 549 states have internal predecessors, (638), 69 states have call successors, (69), 63 states have call predecessors, (69), 63 states have return successors, (69), 67 states have call predecessors, (69), 69 states have call successors, (69) [2025-01-10 02:16:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 776 transitions. [2025-01-10 02:16:18,136 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 776 transitions. Word has length 130 [2025-01-10 02:16:18,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:18,137 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 776 transitions. [2025-01-10 02:16:18,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 3.0142857142857142) internal successors, (211), 71 states have internal predecessors, (211), 31 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 31 states have call predecessors, (38), 31 states have call successors, (38) [2025-01-10 02:16:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 776 transitions. [2025-01-10 02:16:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-10 02:16:18,140 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:18,140 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:18,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:18,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:16:18,345 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:18,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:18,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2056235556, now seen corresponding path program 1 times [2025-01-10 02:16:18,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:18,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073612582] [2025-01-10 02:16:18,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:18,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:18,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-10 02:16:18,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-10 02:16:18,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:18,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2025-01-10 02:16:18,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:18,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073612582] [2025-01-10 02:16:18,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073612582] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:18,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154600000] [2025-01-10 02:16:18,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:18,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:18,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:18,828 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:18,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:16:18,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-10 02:16:18,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-10 02:16:18,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:18,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:18,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:16:18,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 246 proven. 126 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:16:19,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2025-01-10 02:16:19,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154600000] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:19,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:19,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 30 [2025-01-10 02:16:19,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823248782] [2025-01-10 02:16:19,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:19,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-01-10 02:16:19,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:19,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-10 02:16:19,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:16:19,482 INFO L87 Difference]: Start difference. First operand 680 states and 776 transitions. Second operand has 30 states, 30 states have (on average 4.266666666666667) internal successors, (128), 30 states have internal predecessors, (128), 12 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2025-01-10 02:16:20,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:20,467 INFO L93 Difference]: Finished difference Result 1173 states and 1352 transitions. [2025-01-10 02:16:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-10 02:16:20,468 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.266666666666667) internal successors, (128), 30 states have internal predecessors, (128), 12 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) Word has length 160 [2025-01-10 02:16:20,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:20,471 INFO L225 Difference]: With dead ends: 1173 [2025-01-10 02:16:20,471 INFO L226 Difference]: Without dead ends: 828 [2025-01-10 02:16:20,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 302 SyntacticMatches, 7 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=595, Invalid=2711, Unknown=0, NotChecked=0, Total=3306 [2025-01-10 02:16:20,472 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 155 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:20,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 420 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 02:16:20,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2025-01-10 02:16:20,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 798. [2025-01-10 02:16:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 641 states have (on average 1.1591263650546022) internal successors, (743), 645 states have internal predecessors, (743), 80 states have call successors, (80), 74 states have call predecessors, (80), 74 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2025-01-10 02:16:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 903 transitions. [2025-01-10 02:16:20,504 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 903 transitions. Word has length 160 [2025-01-10 02:16:20,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:20,504 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 903 transitions. [2025-01-10 02:16:20,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.266666666666667) internal successors, (128), 30 states have internal predecessors, (128), 12 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2025-01-10 02:16:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 903 transitions. [2025-01-10 02:16:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-01-10 02:16:20,506 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:20,506 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:20,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:20,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:20,710 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:20,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:20,711 INFO L85 PathProgramCache]: Analyzing trace with hash -819137986, now seen corresponding path program 1 times [2025-01-10 02:16:20,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:20,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124235928] [2025-01-10 02:16:20,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:20,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-01-10 02:16:20,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-01-10 02:16:20,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:20,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2025-01-10 02:16:20,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:20,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124235928] [2025-01-10 02:16:20,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124235928] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:20,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733856475] [2025-01-10 02:16:20,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:20,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:20,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:20,822 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:20,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:16:20,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-01-10 02:16:20,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-01-10 02:16:20,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:20,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:20,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:16:20,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 537 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-10 02:16:21,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2025-01-10 02:16:21,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733856475] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:21,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:21,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 23, 24] total 29 [2025-01-10 02:16:21,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524396591] [2025-01-10 02:16:21,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:21,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-10 02:16:21,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:21,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-10 02:16:21,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2025-01-10 02:16:21,530 INFO L87 Difference]: Start difference. First operand 798 states and 903 transitions. Second operand has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2025-01-10 02:16:23,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:23,184 INFO L93 Difference]: Finished difference Result 1708 states and 1977 transitions. [2025-01-10 02:16:23,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-10 02:16:23,185 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 166 [2025-01-10 02:16:23,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:23,193 INFO L225 Difference]: With dead ends: 1708 [2025-01-10 02:16:23,196 INFO L226 Difference]: Without dead ends: 1363 [2025-01-10 02:16:23,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 294 SyntacticMatches, 21 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2100 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1158, Invalid=5484, Unknown=0, NotChecked=0, Total=6642 [2025-01-10 02:16:23,198 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 152 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:23,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 777 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:16:23,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2025-01-10 02:16:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1049. [2025-01-10 02:16:23,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 845 states have (on average 1.17396449704142) internal successors, (992), 851 states have internal predecessors, (992), 105 states have call successors, (105), 96 states have call predecessors, (105), 96 states have return successors, (105), 101 states have call predecessors, (105), 105 states have call successors, (105) [2025-01-10 02:16:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1202 transitions. [2025-01-10 02:16:23,257 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1202 transitions. Word has length 166 [2025-01-10 02:16:23,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:23,258 INFO L471 AbstractCegarLoop]: Abstraction has 1049 states and 1202 transitions. [2025-01-10 02:16:23,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2025-01-10 02:16:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1202 transitions. [2025-01-10 02:16:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-10 02:16:23,263 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:23,263 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:23,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 02:16:23,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:23,464 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:23,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:23,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1676947199, now seen corresponding path program 1 times [2025-01-10 02:16:23,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:23,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585167578] [2025-01-10 02:16:23,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:23,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-10 02:16:23,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:16:23,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:23,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2025-01-10 02:16:23,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:23,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585167578] [2025-01-10 02:16:23,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585167578] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:23,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:23,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:16:23,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539738748] [2025-01-10 02:16:23,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:23,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:16:23,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:23,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:16:23,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:23,537 INFO L87 Difference]: Start difference. First operand 1049 states and 1202 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:16:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:23,874 INFO L93 Difference]: Finished difference Result 1744 states and 2049 transitions. [2025-01-10 02:16:23,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:16:23,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 170 [2025-01-10 02:16:23,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:23,881 INFO L225 Difference]: With dead ends: 1744 [2025-01-10 02:16:23,881 INFO L226 Difference]: Without dead ends: 1098 [2025-01-10 02:16:23,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:23,883 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:23,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 116 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:16:23,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2025-01-10 02:16:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1028. [2025-01-10 02:16:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 829 states have (on average 1.180940892641737) internal successors, (979), 833 states have internal predecessors, (979), 105 states have call successors, (105), 91 states have call predecessors, (105), 91 states have return successors, (105), 103 states have call predecessors, (105), 105 states have call successors, (105) [2025-01-10 02:16:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1189 transitions. [2025-01-10 02:16:23,953 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1189 transitions. Word has length 170 [2025-01-10 02:16:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:23,953 INFO L471 AbstractCegarLoop]: Abstraction has 1028 states and 1189 transitions. [2025-01-10 02:16:23,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:16:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1189 transitions. [2025-01-10 02:16:23,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-10 02:16:23,956 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:23,956 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 11, 11, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:23,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-01-10 02:16:23,956 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:23,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1918080117, now seen corresponding path program 3 times [2025-01-10 02:16:23,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:23,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417717325] [2025-01-10 02:16:23,957 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:16:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:23,966 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 170 statements into 13 equivalence classes. [2025-01-10 02:16:23,978 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 45 of 170 statements. [2025-01-10 02:16:23,978 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:16:23,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2025-01-10 02:16:24,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:24,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417717325] [2025-01-10 02:16:24,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417717325] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:24,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:24,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 02:16:24,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703277447] [2025-01-10 02:16:24,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:24,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:16:24,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:24,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:16:24,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:16:24,098 INFO L87 Difference]: Start difference. First operand 1028 states and 1189 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:24,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:24,239 INFO L93 Difference]: Finished difference Result 1049 states and 1212 transitions. [2025-01-10 02:16:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:16:24,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 170 [2025-01-10 02:16:24,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:24,244 INFO L225 Difference]: With dead ends: 1049 [2025-01-10 02:16:24,244 INFO L226 Difference]: Without dead ends: 1045 [2025-01-10 02:16:24,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:16:24,246 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:24,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 161 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:24,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2025-01-10 02:16:24,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 782. [2025-01-10 02:16:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 631 states have (on average 1.1759112519809827) internal successors, (742), 635 states have internal predecessors, (742), 79 states have call successors, (79), 69 states have call predecessors, (79), 69 states have return successors, (79), 77 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 02:16:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 900 transitions. [2025-01-10 02:16:24,290 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 900 transitions. Word has length 170 [2025-01-10 02:16:24,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:24,291 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 900 transitions. [2025-01-10 02:16:24,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 900 transitions. [2025-01-10 02:16:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-01-10 02:16:24,293 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:24,293 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 16, 16, 15, 15, 15, 15, 14, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:24,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-01-10 02:16:24,293 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:24,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:24,294 INFO L85 PathProgramCache]: Analyzing trace with hash -664609081, now seen corresponding path program 1 times [2025-01-10 02:16:24,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:24,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186788316] [2025-01-10 02:16:24,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:24,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:24,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-01-10 02:16:24,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-01-10 02:16:24,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:24,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 162 proven. 6 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2025-01-10 02:16:24,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:24,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186788316] [2025-01-10 02:16:24,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186788316] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:24,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380226354] [2025-01-10 02:16:24,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:24,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:24,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:24,456 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:24,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:16:24,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 216 statements into 1 equivalence classes. [2025-01-10 02:16:24,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 216 of 216 statements. [2025-01-10 02:16:24,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:24,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:24,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:16:24,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:24,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 1013 proven. 6 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2025-01-10 02:16:24,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 473 proven. 6 refuted. 0 times theorem prover too weak. 916 trivial. 0 not checked. [2025-01-10 02:16:25,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380226354] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:25,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:25,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 23, 24] total 29 [2025-01-10 02:16:25,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267087945] [2025-01-10 02:16:25,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:25,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-10 02:16:25,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:25,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-10 02:16:25,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=677, Unknown=0, NotChecked=0, Total=812 [2025-01-10 02:16:25,184 INFO L87 Difference]: Start difference. First operand 782 states and 900 transitions. Second operand has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2025-01-10 02:16:26,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:26,641 INFO L93 Difference]: Finished difference Result 966 states and 1107 transitions. [2025-01-10 02:16:26,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-10 02:16:26,642 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 216 [2025-01-10 02:16:26,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:26,643 INFO L225 Difference]: With dead ends: 966 [2025-01-10 02:16:26,643 INFO L226 Difference]: Without dead ends: 295 [2025-01-10 02:16:26,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 389 SyntacticMatches, 21 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1951 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1130, Invalid=4876, Unknown=0, NotChecked=0, Total=6006 [2025-01-10 02:16:26,645 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 168 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:26,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 848 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:16:26,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-01-10 02:16:26,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 291. [2025-01-10 02:16:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 232 states have (on average 1.0905172413793103) internal successors, (253), 233 states have internal predecessors, (253), 30 states have call successors, (30), 27 states have call predecessors, (30), 27 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:16:26,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 313 transitions. [2025-01-10 02:16:26,664 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 313 transitions. Word has length 216 [2025-01-10 02:16:26,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:26,664 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 313 transitions. [2025-01-10 02:16:26,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.689655172413793) internal successors, (136), 29 states have internal predecessors, (136), 15 states have call successors, (39), 13 states have call predecessors, (39), 13 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2025-01-10 02:16:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 313 transitions. [2025-01-10 02:16:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-01-10 02:16:26,667 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:26,667 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:26,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:16:26,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:26,871 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:26,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:26,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1154930905, now seen corresponding path program 2 times [2025-01-10 02:16:26,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:26,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629184537] [2025-01-10 02:16:26,872 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:26,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:26,884 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-01-10 02:16:26,945 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-01-10 02:16:26,945 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:26,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 254 proven. 7 refuted. 0 times theorem prover too weak. 2031 trivial. 0 not checked. [2025-01-10 02:16:27,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:27,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629184537] [2025-01-10 02:16:27,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629184537] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:27,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270438596] [2025-01-10 02:16:27,125 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:27,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:27,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:27,127 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:27,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:16:27,199 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-01-10 02:16:27,282 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-01-10 02:16:27,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:27,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:27,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:16:27,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 1599 proven. 9 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2025-01-10 02:16:27,707 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:28,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2292 backedges. 939 proven. 9 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2025-01-10 02:16:28,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270438596] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:28,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:28,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23, 24] total 32 [2025-01-10 02:16:28,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268286289] [2025-01-10 02:16:28,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:28,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-01-10 02:16:28,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:28,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-01-10 02:16:28,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=822, Unknown=0, NotChecked=0, Total=992 [2025-01-10 02:16:28,265 INFO L87 Difference]: Start difference. First operand 291 states and 313 transitions. Second operand has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 15 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) [2025-01-10 02:16:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:29,378 INFO L93 Difference]: Finished difference Result 490 states and 534 transitions. [2025-01-10 02:16:29,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-01-10 02:16:29,378 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 15 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) Word has length 250 [2025-01-10 02:16:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:29,380 INFO L225 Difference]: With dead ends: 490 [2025-01-10 02:16:29,380 INFO L226 Difference]: Without dead ends: 304 [2025-01-10 02:16:29,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 456 SyntacticMatches, 21 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=963, Invalid=3593, Unknown=0, NotChecked=0, Total=4556 [2025-01-10 02:16:29,382 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 94 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:29,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1039 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:16:29,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-01-10 02:16:29,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 300. [2025-01-10 02:16:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 240 states have (on average 1.0791666666666666) internal successors, (259), 240 states have internal predecessors, (259), 31 states have call successors, (31), 28 states have call predecessors, (31), 28 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 02:16:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 321 transitions. [2025-01-10 02:16:29,393 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 321 transitions. Word has length 250 [2025-01-10 02:16:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:29,393 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 321 transitions. [2025-01-10 02:16:29,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.25) internal successors, (136), 32 states have internal predecessors, (136), 15 states have call successors, (38), 13 states have call predecessors, (38), 13 states have return successors, (38), 15 states have call predecessors, (38), 15 states have call successors, (38) [2025-01-10 02:16:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 321 transitions. [2025-01-10 02:16:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-01-10 02:16:29,395 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:29,395 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 23, 23, 23, 23, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:29,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:29,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:29,600 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:29,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:29,601 INFO L85 PathProgramCache]: Analyzing trace with hash 938265885, now seen corresponding path program 1 times [2025-01-10 02:16:29,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:29,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799253938] [2025-01-10 02:16:29,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:29,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-01-10 02:16:29,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-01-10 02:16:29,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:29,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 172 proven. 1 refuted. 0 times theorem prover too weak. 2773 trivial. 0 not checked. [2025-01-10 02:16:29,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799253938] [2025-01-10 02:16:29,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799253938] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473763629] [2025-01-10 02:16:29,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:29,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:29,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:29,818 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:29,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:16:29,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-01-10 02:16:29,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-01-10 02:16:29,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:29,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:29,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:16:29,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 1477 proven. 0 refuted. 0 times theorem prover too weak. 1469 trivial. 0 not checked. [2025-01-10 02:16:30,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:16:30,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473763629] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:30,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:16:30,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2025-01-10 02:16:30,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995723025] [2025-01-10 02:16:30,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:30,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:16:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:30,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:16:30,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:16:30,004 INFO L87 Difference]: Start difference. First operand 300 states and 321 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:30,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:30,090 INFO L93 Difference]: Finished difference Result 308 states and 330 transitions. [2025-01-10 02:16:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:16:30,090 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 292 [2025-01-10 02:16:30,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:30,091 INFO L225 Difference]: With dead ends: 308 [2025-01-10 02:16:30,091 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:16:30,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:16:30,092 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:30,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 157 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:16:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:16:30,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:16:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:16:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:16:30,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2025-01-10 02:16:30,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:30,094 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:16:30,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:16:30,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:16:30,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2025-01-10 02:16:30,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2025-01-10 02:16:30,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2025-01-10 02:16:30,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2025-01-10 02:16:30,097 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2025-01-10 02:16:30,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2025-01-10 02:16:30,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:30,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:30,301 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:30,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.