./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7a26ac99d24cf78f342a00198534968a8c9a8e19670213e333d305f9460bd44 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:37:49,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:37:49,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 18:37:49,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:37:49,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:37:49,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:37:49,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:37:49,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:37:49,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:37:49,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:37:49,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:37:49,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:37:49,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:37:49,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:37:49,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:37:49,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:37:49,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:37:49,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:37:49,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:37:49,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:37:49,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:37:49,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:37:49,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:37:49,940 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:37:49,941 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:37:49,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:37:49,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:37:49,941 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:37:49,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:37:49,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:37:49,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:37:49,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:37:49,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:37:49,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:37:49,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:37:49,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:37:49,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:37:49,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:37:49,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:37:49,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:37:49,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:37:49,945 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7a26ac99d24cf78f342a00198534968a8c9a8e19670213e333d305f9460bd44 [2024-11-10 18:37:50,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:37:50,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:37:50,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:37:50,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:37:50,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:37:50,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-1.c [2024-11-10 18:37:51,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:37:51,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:37:51,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-1.c [2024-11-10 18:37:51,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfadd0ec3/7a5a0d569c534fa6a737a390a6d3f54f/FLAG2edc7f086 [2024-11-10 18:37:51,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfadd0ec3/7a5a0d569c534fa6a737a390a6d3f54f [2024-11-10 18:37:51,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:37:51,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:37:51,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:37:51,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:37:51,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:37:51,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6043aee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51, skipping insertion in model container [2024-11-10 18:37:51,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:37:51,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:37:51,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:37:51,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:37:51,821 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:37:51,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51 WrapperNode [2024-11-10 18:37:51,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:37:51,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:37:51,823 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:37:51,823 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:37:51,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,844 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-10 18:37:51,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:37:51,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:37:51,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:37:51,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:37:51,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,858 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 18:37:51,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:37:51,862 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:37:51,862 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:37:51,862 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:37:51,863 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (1/1) ... [2024-11-10 18:37:51,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:37:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:51,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:37:51,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:37:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:37:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:37:52,016 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:37:52,018 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:37:52,099 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-10 18:37:52,100 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:37:52,112 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:37:52,113 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:37:52,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:37:52 BoogieIcfgContainer [2024-11-10 18:37:52,114 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:37:52,115 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:37:52,115 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:37:52,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:37:52,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:37:51" (1/3) ... [2024-11-10 18:37:52,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122936de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:37:52, skipping insertion in model container [2024-11-10 18:37:52,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:37:51" (2/3) ... [2024-11-10 18:37:52,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122936de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:37:52, skipping insertion in model container [2024-11-10 18:37:52,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:37:52" (3/3) ... [2024-11-10 18:37:52,125 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-easy2-1.c [2024-11-10 18:37:52,140 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:37:52,141 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-10 18:37:52,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:37:52,217 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;@52dbea78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:37:52,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 18:37:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.5) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:37:52,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:52,227 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:37:52,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:52,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:52,233 INFO L85 PathProgramCache]: Analyzing trace with hash 50545362, now seen corresponding path program 1 times [2024-11-10 18:37:52,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:52,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583809971] [2024-11-10 18:37:52,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:52,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583809971] [2024-11-10 18:37:52,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583809971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:37:52,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:37:52,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:37:52,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483919331] [2024-11-10 18:37:52,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:37:52,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:37:52,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:52,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:37:52,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,386 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.5) internal successors, (24), 22 states have internal predecessors, (24), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:52,406 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2024-11-10 18:37:52,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:37:52,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-10 18:37:52,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:52,413 INFO L225 Difference]: With dead ends: 27 [2024-11-10 18:37:52,414 INFO L226 Difference]: Without dead ends: 18 [2024-11-10 18:37:52,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,419 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 14 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:52,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:52,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-10 18:37:52,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-10 18:37:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-10 18:37:52,443 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 5 [2024-11-10 18:37:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:52,443 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-10 18:37:52,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-10 18:37:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:37:52,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:52,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:37:52,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:37:52,444 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:52,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:52,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1566906206, now seen corresponding path program 1 times [2024-11-10 18:37:52,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:52,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135520208] [2024-11-10 18:37:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:52,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135520208] [2024-11-10 18:37:52,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135520208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:37:52,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:37:52,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:37:52,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409070432] [2024-11-10 18:37:52,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:37:52,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:37:52,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:52,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:37:52,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,473 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:52,484 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-10 18:37:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:37:52,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 18:37:52,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:52,485 INFO L225 Difference]: With dead ends: 24 [2024-11-10 18:37:52,485 INFO L226 Difference]: Without dead ends: 23 [2024-11-10 18:37:52,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,486 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:52,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:52,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-10 18:37:52,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-11-10 18:37:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-11-10 18:37:52,491 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 6 [2024-11-10 18:37:52,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:52,491 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-11-10 18:37:52,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-11-10 18:37:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 18:37:52,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:52,493 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:37:52,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:37:52,494 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:52,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:52,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1736657476, now seen corresponding path program 1 times [2024-11-10 18:37:52,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:52,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678873839] [2024-11-10 18:37:52,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:52,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678873839] [2024-11-10 18:37:52,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678873839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:37:52,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:37:52,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:37:52,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248245836] [2024-11-10 18:37:52,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:37:52,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:37:52,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:52,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:37:52,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,538 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:52,562 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-10 18:37:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:37:52,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-10 18:37:52,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:52,563 INFO L225 Difference]: With dead ends: 27 [2024-11-10 18:37:52,564 INFO L226 Difference]: Without dead ends: 26 [2024-11-10 18:37:52,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,565 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:52,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 26 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:52,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-10 18:37:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2024-11-10 18:37:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.263157894736842) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2024-11-10 18:37:52,574 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 8 [2024-11-10 18:37:52,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:52,574 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2024-11-10 18:37:52,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2024-11-10 18:37:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:37:52,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:52,575 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:37:52,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:37:52,576 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:52,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1998193071, now seen corresponding path program 1 times [2024-11-10 18:37:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248097618] [2024-11-10 18:37:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:52,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248097618] [2024-11-10 18:37:52,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248097618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:37:52,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:37:52,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:37:52,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096203584] [2024-11-10 18:37:52,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:37:52,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:37:52,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:52,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:37:52,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,624 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:52,642 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2024-11-10 18:37:52,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:37:52,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-10 18:37:52,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:52,643 INFO L225 Difference]: With dead ends: 24 [2024-11-10 18:37:52,643 INFO L226 Difference]: Without dead ends: 23 [2024-11-10 18:37:52,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,644 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:52,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:52,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-10 18:37:52,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-10 18:37:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 22 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2024-11-10 18:37:52,648 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 9 [2024-11-10 18:37:52,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:52,648 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2024-11-10 18:37:52,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2024-11-10 18:37:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:37:52,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:52,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:37:52,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:37:52,649 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:52,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:52,650 INFO L85 PathProgramCache]: Analyzing trace with hash 413159213, now seen corresponding path program 1 times [2024-11-10 18:37:52,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:52,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404105556] [2024-11-10 18:37:52,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:52,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404105556] [2024-11-10 18:37:52,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404105556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:37:52,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:37:52,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:37:52,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968256304] [2024-11-10 18:37:52,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:37:52,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:37:52,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:52,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:37:52,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,691 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:52,702 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2024-11-10 18:37:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:37:52,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-10 18:37:52,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:52,702 INFO L225 Difference]: With dead ends: 23 [2024-11-10 18:37:52,702 INFO L226 Difference]: Without dead ends: 22 [2024-11-10 18:37:52,703 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,706 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:52,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:52,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-10 18:37:52,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-10 18:37:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-11-10 18:37:52,714 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2024-11-10 18:37:52,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:52,714 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-11-10 18:37:52,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-11-10 18:37:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:37:52,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:52,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:37:52,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:37:52,715 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:52,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:52,716 INFO L85 PathProgramCache]: Analyzing trace with hash -76966311, now seen corresponding path program 1 times [2024-11-10 18:37:52,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:52,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563224781] [2024-11-10 18:37:52,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:52,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563224781] [2024-11-10 18:37:52,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563224781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:37:52,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:37:52,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:37:52,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629137307] [2024-11-10 18:37:52,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:37:52,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:37:52,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:52,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:37:52,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,753 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:52,759 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-11-10 18:37:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:37:52,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-10 18:37:52,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:52,760 INFO L225 Difference]: With dead ends: 22 [2024-11-10 18:37:52,760 INFO L226 Difference]: Without dead ends: 21 [2024-11-10 18:37:52,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:37:52,761 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:52,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:52,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-10 18:37:52,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-10 18:37:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-10 18:37:52,764 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2024-11-10 18:37:52,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:52,764 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-10 18:37:52,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:52,765 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-10 18:37:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 18:37:52,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:52,765 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:37:52,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:37:52,766 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:52,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:52,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1266829289, now seen corresponding path program 1 times [2024-11-10 18:37:52,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:52,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553871370] [2024-11-10 18:37:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553871370] [2024-11-10 18:37:52,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553871370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694225569] [2024-11-10 18:37:52,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:52,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:52,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:52,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:52,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:37:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:52,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:37:52,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:37:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:52,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694225569] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:37:52,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:37:52,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:37:52,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384739901] [2024-11-10 18:37:52,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:37:52,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:37:52,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:52,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:37:52,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:37:52,972 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:53,004 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2024-11-10 18:37:53,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:37:53,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-10 18:37:53,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:53,005 INFO L225 Difference]: With dead ends: 55 [2024-11-10 18:37:53,006 INFO L226 Difference]: Without dead ends: 54 [2024-11-10 18:37:53,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:37:53,006 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 11 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:53,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:53,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-10 18:37:53,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2024-11-10 18:37:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2024-11-10 18:37:53,015 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 17 [2024-11-10 18:37:53,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:53,015 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2024-11-10 18:37:53,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2024-11-10 18:37:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 18:37:53,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:53,016 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:37:53,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 18:37:53,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:53,220 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:53,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1947201415, now seen corresponding path program 1 times [2024-11-10 18:37:53,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:53,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733946691] [2024-11-10 18:37:53,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:53,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:53,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733946691] [2024-11-10 18:37:53,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733946691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:53,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214445163] [2024-11-10 18:37:53,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:53,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:53,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:53,287 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:53,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:37:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:53,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:37:53,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:53,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:37:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:53,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214445163] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:37:53,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:37:53,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:37:53,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603441047] [2024-11-10 18:37:53,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:37:53,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:37:53,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:53,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:37:53,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:37:53,396 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:53,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:53,429 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2024-11-10 18:37:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:37:53,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-10 18:37:53,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:53,431 INFO L225 Difference]: With dead ends: 55 [2024-11-10 18:37:53,431 INFO L226 Difference]: Without dead ends: 54 [2024-11-10 18:37:53,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:37:53,432 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:53,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 46 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:53,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-10 18:37:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-10 18:37:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.0384615384615385) internal successors, (54), 53 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2024-11-10 18:37:53,437 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 19 [2024-11-10 18:37:53,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:53,437 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2024-11-10 18:37:53,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2024-11-10 18:37:53,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-10 18:37:53,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:53,438 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 18:37:53,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:37:53,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-10 18:37:53,640 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:53,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:53,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1682675102, now seen corresponding path program 2 times [2024-11-10 18:37:53,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:53,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133291885] [2024-11-10 18:37:53,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:53,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:53,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:53,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133291885] [2024-11-10 18:37:53,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133291885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:53,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972777493] [2024-11-10 18:37:53,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:37:53,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:53,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:53,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:53,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:37:53,806 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:37:53,806 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:37:53,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:37:53,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:53,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:37:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:53,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972777493] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:37:53,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:37:53,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 18:37:53,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143352134] [2024-11-10 18:37:53,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:37:53,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:37:53,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:53,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:37:53,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:37:53,976 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:54,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:54,035 INFO L93 Difference]: Finished difference Result 124 states and 129 transitions. [2024-11-10 18:37:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:37:54,036 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-10 18:37:54,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:54,037 INFO L225 Difference]: With dead ends: 124 [2024-11-10 18:37:54,037 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 18:37:54,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:37:54,037 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 17 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:54,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 102 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:54,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 18:37:54,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 118. [2024-11-10 18:37:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 116 states have (on average 1.0603448275862069) internal successors, (123), 117 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2024-11-10 18:37:54,048 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 50 [2024-11-10 18:37:54,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:54,048 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2024-11-10 18:37:54,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2024-11-10 18:37:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 18:37:54,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:54,049 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 18:37:54,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:37:54,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:54,254 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:54,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:54,254 INFO L85 PathProgramCache]: Analyzing trace with hash 2143069180, now seen corresponding path program 2 times [2024-11-10 18:37:54,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:54,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082201485] [2024-11-10 18:37:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:54,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:54,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082201485] [2024-11-10 18:37:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082201485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092486773] [2024-11-10 18:37:54,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:37:54,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:54,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:54,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:54,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:37:54,368 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:37:54,368 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:37:54,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:37:54,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:54,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:37:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:54,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092486773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:37:54,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:37:54,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 18:37:54,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400314307] [2024-11-10 18:37:54,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:37:54,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:37:54,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:54,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:37:54,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:37:54,550 INFO L87 Difference]: Start difference. First operand 118 states and 123 transitions. Second operand has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 12 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:54,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:54,587 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2024-11-10 18:37:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:37:54,588 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 12 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-10 18:37:54,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:54,589 INFO L225 Difference]: With dead ends: 121 [2024-11-10 18:37:54,589 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 18:37:54,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:37:54,590 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:54,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 104 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:37:54,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 18:37:54,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-10 18:37:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 118 states have (on average 1.0169491525423728) internal successors, (120), 119 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2024-11-10 18:37:54,596 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 52 [2024-11-10 18:37:54,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:54,596 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2024-11-10 18:37:54,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 12 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2024-11-10 18:37:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-10 18:37:54,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:54,599 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-10 18:37:54,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:37:54,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:54,803 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:54,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:54,804 INFO L85 PathProgramCache]: Analyzing trace with hash -492560642, now seen corresponding path program 3 times [2024-11-10 18:37:54,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:54,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570462523] [2024-11-10 18:37:54,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:55,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570462523] [2024-11-10 18:37:55,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570462523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754227117] [2024-11-10 18:37:55,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:37:55,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:55,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:55,048 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:55,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:37:55,111 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 18:37:55,111 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:37:55,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:37:55,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:55,249 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:37:55,529 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:55,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754227117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:37:55,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:37:55,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-10 18:37:55,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393086482] [2024-11-10 18:37:55,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:37:55,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:37:55,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:55,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:37:55,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:37:55,531 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand has 24 states, 23 states have (on average 10.043478260869565) internal successors, (231), 24 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:55,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:55,622 INFO L93 Difference]: Finished difference Result 262 states and 273 transitions. [2024-11-10 18:37:55,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 18:37:55,623 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 10.043478260869565) internal successors, (231), 24 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2024-11-10 18:37:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:55,626 INFO L225 Difference]: With dead ends: 262 [2024-11-10 18:37:55,626 INFO L226 Difference]: Without dead ends: 261 [2024-11-10 18:37:55,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:37:55,627 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 34 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:55,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 204 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:37:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-10 18:37:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 250. [2024-11-10 18:37:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 248 states have (on average 1.0524193548387097) internal successors, (261), 249 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:55,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 261 transitions. [2024-11-10 18:37:55,649 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 261 transitions. Word has length 116 [2024-11-10 18:37:55,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:55,649 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 261 transitions. [2024-11-10 18:37:55,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 10.043478260869565) internal successors, (231), 24 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 261 transitions. [2024-11-10 18:37:55,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-10 18:37:55,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:55,650 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-10 18:37:55,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:37:55,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-10 18:37:55,851 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:55,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:55,852 INFO L85 PathProgramCache]: Analyzing trace with hash -904374948, now seen corresponding path program 3 times [2024-11-10 18:37:55,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:55,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943354632] [2024-11-10 18:37:55,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:55,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:56,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943354632] [2024-11-10 18:37:56,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943354632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:56,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000475989] [2024-11-10 18:37:56,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:37:56,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:56,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:56,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:56,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:37:56,065 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 18:37:56,065 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:37:56,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:37:56,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:56,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:37:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:56,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000475989] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:37:56,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:37:56,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-10 18:37:56,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507411712] [2024-11-10 18:37:56,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:37:56,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:37:56,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:56,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:37:56,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:37:56,456 INFO L87 Difference]: Start difference. First operand 250 states and 261 transitions. Second operand has 24 states, 23 states have (on average 10.217391304347826) internal successors, (235), 24 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:56,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:56,521 INFO L93 Difference]: Finished difference Result 253 states and 264 transitions. [2024-11-10 18:37:56,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 18:37:56,522 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 10.217391304347826) internal successors, (235), 24 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2024-11-10 18:37:56,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:56,523 INFO L225 Difference]: With dead ends: 253 [2024-11-10 18:37:56,523 INFO L226 Difference]: Without dead ends: 252 [2024-11-10 18:37:56,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:37:56,524 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:56,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 194 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:37:56,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-10 18:37:56,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2024-11-10 18:37:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 250 states have (on average 1.008) internal successors, (252), 251 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:56,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 252 transitions. [2024-11-10 18:37:56,537 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 252 transitions. Word has length 118 [2024-11-10 18:37:56,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:56,538 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 252 transitions. [2024-11-10 18:37:56,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 10.217391304347826) internal successors, (235), 24 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 252 transitions. [2024-11-10 18:37:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-10 18:37:56,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:56,543 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-10 18:37:56,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:37:56,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:56,744 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:56,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:56,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2113689154, now seen corresponding path program 4 times [2024-11-10 18:37:56,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:56,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560745703] [2024-11-10 18:37:56,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:56,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 0 proven. 2629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:57,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:57,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560745703] [2024-11-10 18:37:57,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560745703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:57,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301888894] [2024-11-10 18:37:57,279 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:37:57,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:57,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:57,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:57,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:37:57,334 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:37:57,334 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:37:57,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 18:37:57,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 0 proven. 2629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:57,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:37:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 0 proven. 2629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:58,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301888894] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:37:58,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:37:58,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-10 18:37:58,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469626727] [2024-11-10 18:37:58,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:37:58,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 18:37:58,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:37:58,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 18:37:58,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:37:58,362 INFO L87 Difference]: Start difference. First operand 252 states and 252 transitions. Second operand has 48 states, 47 states have (on average 10.53191489361702) internal successors, (495), 48 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:58,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:37:58,580 INFO L93 Difference]: Finished difference Result 538 states and 561 transitions. [2024-11-10 18:37:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 18:37:58,581 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 10.53191489361702) internal successors, (495), 48 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2024-11-10 18:37:58,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:37:58,583 INFO L225 Difference]: With dead ends: 538 [2024-11-10 18:37:58,583 INFO L226 Difference]: Without dead ends: 537 [2024-11-10 18:37:58,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:37:58,584 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 70 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:37:58,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 416 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:37:58,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-10 18:37:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 514. [2024-11-10 18:37:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 512 states have (on average 1.048828125) internal successors, (537), 513 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:58,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 537 transitions. [2024-11-10 18:37:58,601 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 537 transitions. Word has length 248 [2024-11-10 18:37:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:37:58,601 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 537 transitions. [2024-11-10 18:37:58,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 10.53191489361702) internal successors, (495), 48 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:37:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 537 transitions. [2024-11-10 18:37:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-10 18:37:58,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:37:58,606 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-10 18:37:58,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:37:58,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:58,807 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:37:58,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:37:58,807 INFO L85 PathProgramCache]: Analyzing trace with hash 264253468, now seen corresponding path program 4 times [2024-11-10 18:37:58,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:37:58,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117153343] [2024-11-10 18:37:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:37:58,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:37:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:37:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2673 backedges. 0 proven. 2673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:59,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:37:59,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117153343] [2024-11-10 18:37:59,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117153343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:37:59,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801685950] [2024-11-10 18:37:59,306 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:37:59,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:37:59,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:37:59,309 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:37:59,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:37:59,364 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:37:59,365 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:37:59,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 18:37:59,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:37:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2673 backedges. 0 proven. 2673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:37:59,608 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2673 backedges. 0 proven. 2673 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:00,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801685950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:00,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:00,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-10 18:38:00,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747479957] [2024-11-10 18:38:00,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:00,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 18:38:00,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:00,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 18:38:00,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:38:00,387 INFO L87 Difference]: Start difference. First operand 514 states and 537 transitions. Second operand has 48 states, 47 states have (on average 10.617021276595745) internal successors, (499), 48 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:00,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:00,536 INFO L93 Difference]: Finished difference Result 517 states and 540 transitions. [2024-11-10 18:38:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 18:38:00,536 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 10.617021276595745) internal successors, (499), 48 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 250 [2024-11-10 18:38:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:00,538 INFO L225 Difference]: With dead ends: 517 [2024-11-10 18:38:00,538 INFO L226 Difference]: Without dead ends: 516 [2024-11-10 18:38:00,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 18:38:00,539 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:38:00,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 390 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:38:00,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-10 18:38:00,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2024-11-10 18:38:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 514 states have (on average 1.0038910505836576) internal successors, (516), 515 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:00,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 516 transitions. [2024-11-10 18:38:00,549 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 516 transitions. Word has length 250 [2024-11-10 18:38:00,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:00,550 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 516 transitions. [2024-11-10 18:38:00,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 10.617021276595745) internal successors, (499), 48 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 516 transitions. [2024-11-10 18:38:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2024-11-10 18:38:00,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:00,554 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-10 18:38:00,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:38:00,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 18:38:00,759 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:38:00,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:00,760 INFO L85 PathProgramCache]: Analyzing trace with hash -127623362, now seen corresponding path program 5 times [2024-11-10 18:38:00,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:00,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679106707] [2024-11-10 18:38:00,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:00,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 11569 backedges. 0 proven. 11569 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:02,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679106707] [2024-11-10 18:38:02,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679106707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:02,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381875239] [2024-11-10 18:38:02,455 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:38:02,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:02,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:02,457 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:38:02,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:38:02,576 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 18:38:02,576 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:02,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-10 18:38:02,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 11569 backedges. 0 proven. 11569 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 11569 backedges. 0 proven. 11569 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:05,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381875239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:05,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:05,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-10 18:38:05,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161131522] [2024-11-10 18:38:05,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:05,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 18:38:05,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:05,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 18:38:05,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:38:05,157 INFO L87 Difference]: Start difference. First operand 516 states and 516 transitions. Second operand has 96 states, 95 states have (on average 10.76842105263158) internal successors, (1023), 96 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:05,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:05,547 INFO L93 Difference]: Finished difference Result 1090 states and 1137 transitions. [2024-11-10 18:38:05,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-10 18:38:05,548 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 10.76842105263158) internal successors, (1023), 96 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 512 [2024-11-10 18:38:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:05,551 INFO L225 Difference]: With dead ends: 1090 [2024-11-10 18:38:05,551 INFO L226 Difference]: Without dead ends: 1089 [2024-11-10 18:38:05,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1070 GetRequests, 976 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:38:05,553 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 172 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:38:05,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 821 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:38:05,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-11-10 18:38:05,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1042. [2024-11-10 18:38:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 1040 states have (on average 1.0471153846153847) internal successors, (1089), 1041 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1089 transitions. [2024-11-10 18:38:05,567 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1089 transitions. Word has length 512 [2024-11-10 18:38:05,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:05,567 INFO L471 AbstractCegarLoop]: Abstraction has 1042 states and 1089 transitions. [2024-11-10 18:38:05,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 10.76842105263158) internal successors, (1023), 96 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1089 transitions. [2024-11-10 18:38:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2024-11-10 18:38:05,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:05,573 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-10 18:38:05,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 18:38:05,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:38:05,774 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:38:05,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:05,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1908000156, now seen corresponding path program 5 times [2024-11-10 18:38:05,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:05,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665468611] [2024-11-10 18:38:05,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 11661 backedges. 0 proven. 11661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:07,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:07,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665468611] [2024-11-10 18:38:07,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665468611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:07,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419828823] [2024-11-10 18:38:07,157 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:38:07,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:07,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:07,158 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:38:07,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:38:07,258 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 18:38:07,258 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:07,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-10 18:38:07,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 11661 backedges. 0 proven. 11661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:07,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 11661 backedges. 0 proven. 11661 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419828823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:09,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:09,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-10 18:38:09,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395131664] [2024-11-10 18:38:09,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:09,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 18:38:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:09,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 18:38:09,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:38:09,789 INFO L87 Difference]: Start difference. First operand 1042 states and 1089 transitions. Second operand has 96 states, 95 states have (on average 10.810526315789474) internal successors, (1027), 96 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:10,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:10,171 INFO L93 Difference]: Finished difference Result 1045 states and 1092 transitions. [2024-11-10 18:38:10,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-10 18:38:10,174 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 10.810526315789474) internal successors, (1027), 96 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 514 [2024-11-10 18:38:10,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:10,177 INFO L225 Difference]: With dead ends: 1045 [2024-11-10 18:38:10,177 INFO L226 Difference]: Without dead ends: 1044 [2024-11-10 18:38:10,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1074 GetRequests, 980 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 18:38:10,180 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:38:10,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 782 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:38:10,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-10 18:38:10,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-10 18:38:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1042 states have (on average 1.0019193857965452) internal successors, (1044), 1043 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1044 transitions. [2024-11-10 18:38:10,194 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1044 transitions. Word has length 514 [2024-11-10 18:38:10,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:10,195 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1044 transitions. [2024-11-10 18:38:10,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 10.810526315789474) internal successors, (1027), 96 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:10,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1044 transitions. [2024-11-10 18:38:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2024-11-10 18:38:10,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:10,201 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1] [2024-11-10 18:38:10,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 18:38:10,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 18:38:10,402 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:38:10,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:10,402 INFO L85 PathProgramCache]: Analyzing trace with hash -554825154, now seen corresponding path program 6 times [2024-11-10 18:38:10,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:10,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607091616] [2024-11-10 18:38:10,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:10,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 48457 backedges. 0 proven. 48457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:16,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:16,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607091616] [2024-11-10 18:38:16,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607091616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:16,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345994989] [2024-11-10 18:38:16,188 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:38:16,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:16,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:16,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:38:16,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:38:16,428 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-10 18:38:16,428 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:16,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-10 18:38:16,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 48457 backedges. 0 proven. 48457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:17,203 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 48457 backedges. 0 proven. 48457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:24,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345994989] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:24,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:24,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-10 18:38:24,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943567048] [2024-11-10 18:38:24,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:24,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-10 18:38:24,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:24,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-10 18:38:24,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:38:24,765 INFO L87 Difference]: Start difference. First operand 1044 states and 1044 transitions. Second operand has 192 states, 191 states have (on average 10.884816753926701) internal successors, (2079), 192 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:27,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:27,363 INFO L93 Difference]: Finished difference Result 2194 states and 2289 transitions. [2024-11-10 18:38:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-10 18:38:27,364 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 10.884816753926701) internal successors, (2079), 192 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1040 [2024-11-10 18:38:27,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:27,370 INFO L225 Difference]: With dead ends: 2194 [2024-11-10 18:38:27,370 INFO L226 Difference]: Without dead ends: 2193 [2024-11-10 18:38:27,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2174 GetRequests, 1984 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:38:27,373 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 392 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:38:27,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1644 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:38:27,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2024-11-10 18:38:27,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2098. [2024-11-10 18:38:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2096 states have (on average 1.0462786259541985) internal successors, (2193), 2097 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2193 transitions. [2024-11-10 18:38:27,396 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2193 transitions. Word has length 1040 [2024-11-10 18:38:27,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:27,397 INFO L471 AbstractCegarLoop]: Abstraction has 2098 states and 2193 transitions. [2024-11-10 18:38:27,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 10.884816753926701) internal successors, (2079), 192 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2193 transitions. [2024-11-10 18:38:27,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1043 [2024-11-10 18:38:27,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:27,403 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 94, 94, 94, 94, 94, 94, 1, 1, 1] [2024-11-10 18:38:27,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 18:38:27,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 18:38:27,604 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:38:27,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:27,605 INFO L85 PathProgramCache]: Analyzing trace with hash -611028836, now seen corresponding path program 6 times [2024-11-10 18:38:27,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:27,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530045881] [2024-11-10 18:38:27,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:27,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 48645 backedges. 0 proven. 48645 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:33,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:33,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530045881] [2024-11-10 18:38:33,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530045881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:33,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309433250] [2024-11-10 18:38:33,411 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:38:33,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:33,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:33,413 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:38:33,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:38:33,647 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-10 18:38:33,647 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:33,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-10 18:38:33,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 48645 backedges. 0 proven. 48645 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:34,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:42,471 INFO L134 CoverageAnalysis]: Checked inductivity of 48645 backedges. 0 proven. 48645 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:42,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309433250] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:42,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:42,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-10 18:38:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348244882] [2024-11-10 18:38:42,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:42,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-10 18:38:42,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:42,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-10 18:38:42,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:38:42,482 INFO L87 Difference]: Start difference. First operand 2098 states and 2193 transitions. Second operand has 192 states, 191 states have (on average 10.905759162303665) internal successors, (2083), 192 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:44,762 INFO L93 Difference]: Finished difference Result 2101 states and 2196 transitions. [2024-11-10 18:38:44,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-10 18:38:44,763 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 10.905759162303665) internal successors, (2083), 192 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1042 [2024-11-10 18:38:44,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:44,769 INFO L225 Difference]: With dead ends: 2101 [2024-11-10 18:38:44,769 INFO L226 Difference]: Without dead ends: 2100 [2024-11-10 18:38:44,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2178 GetRequests, 1988 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 18:38:44,772 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:38:44,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1544 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:38:44,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2024-11-10 18:38:44,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2024-11-10 18:38:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2098 states have (on average 1.0009532888465205) internal successors, (2100), 2099 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2100 transitions. [2024-11-10 18:38:44,800 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2100 transitions. Word has length 1042 [2024-11-10 18:38:44,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:44,801 INFO L471 AbstractCegarLoop]: Abstraction has 2100 states and 2100 transitions. [2024-11-10 18:38:44,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 10.905759162303665) internal successors, (2083), 192 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:38:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2100 transitions. [2024-11-10 18:38:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2097 [2024-11-10 18:38:44,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:44,821 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 191, 190, 190, 190, 190, 190, 190, 190, 190, 1, 1, 1] [2024-11-10 18:38:44,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-10 18:38:45,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 18:38:45,022 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-10 18:38:45,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1390485442, now seen corresponding path program 7 times [2024-11-10 18:38:45,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:45,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457683863] [2024-11-10 18:38:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:39:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 198265 backedges. 0 proven. 198265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:39:14,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:39:14,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457683863] [2024-11-10 18:39:14,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457683863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:39:14,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135651982] [2024-11-10 18:39:14,686 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-10 18:39:14,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:39:14,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:39:14,687 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:39:14,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:39:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:39:14,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 2673 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-10 18:39:14,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:39:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 198265 backedges. 0 proven. 198265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:39:16,285 INFO L311 TraceCheckSpWp]: Computing backward predicates...