./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d5fb336862157190b75f459fa5ac35efb8ca70e207f909b082fde37cf98e7f7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:38:36,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:38:36,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:38:36,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:38:36,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:38:36,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:38:36,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:38:36,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:38:36,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:38:36,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:38:36,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:38:36,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:38:36,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:38:36,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:38:36,198 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:38:36,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:38:36,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:38:36,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:38:36,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:38:36,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:38:36,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:38:36,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:38:36,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:38:36,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:38:36,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:38:36,204 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:38:36,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:38:36,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:38:36,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:38:36,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:38:36,205 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:38:36,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:38:36,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:38:36,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:38:36,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:38:36,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:38:36,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:38:36,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:38:36,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:38:36,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:38:36,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:38:36,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:38:36,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:38:36,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:38:36,208 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d5fb336862157190b75f459fa5ac35efb8ca70e207f909b082fde37cf98e7f7 [2024-11-17 04:38:36,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:38:36,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:38:36,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:38:36,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:38:36,465 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:38:36,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound10.c [2024-11-17 04:38:37,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:38:38,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:38:38,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound10.c [2024-11-17 04:38:38,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393ef6f02/9df35fb4cd794445bea2be9a15dfac6a/FLAG135ab24b1 [2024-11-17 04:38:38,077 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/393ef6f02/9df35fb4cd794445bea2be9a15dfac6a [2024-11-17 04:38:38,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:38:38,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:38:38,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:38:38,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:38:38,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:38:38,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d3cc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38, skipping insertion in model container [2024-11-17 04:38:38,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:38:38,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:38:38,313 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:38:38,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:38:38,360 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:38:38,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38 WrapperNode [2024-11-17 04:38:38,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:38:38,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:38:38,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:38:38,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:38:38,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,412 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-11-17 04:38:38,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:38:38,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:38:38,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:38:38,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:38:38,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,453 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:38:38,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:38:38,474 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:38:38,474 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:38:38,474 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:38:38,475 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (1/1) ... [2024-11-17 04:38:38,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:38:38,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:38,516 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) [2024-11-17 04:38:38,518 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 [2024-11-17 04:38:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:38:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:38:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:38:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:38:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:38:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:38:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:38:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:38:38,619 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:38:38,621 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:38:39,065 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-17 04:38:39,065 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:38:39,104 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:38:39,105 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:38:39,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:38:39 BoogieIcfgContainer [2024-11-17 04:38:39,107 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:38:39,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:38:39,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:38:39,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:38:39,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:38:38" (1/3) ... [2024-11-17 04:38:39,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f17f3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:38:39, skipping insertion in model container [2024-11-17 04:38:39,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:38:38" (2/3) ... [2024-11-17 04:38:39,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f17f3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:38:39, skipping insertion in model container [2024-11-17 04:38:39,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:38:39" (3/3) ... [2024-11-17 04:38:39,116 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound10.c [2024-11-17 04:38:39,134 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:38:39,134 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-17 04:38:39,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:38:39,205 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;@410da087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:38:39,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-17 04:38:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 76 states have internal predecessors, (85), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:38:39,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 04:38:39,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:39,218 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:39,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:39,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:39,223 INFO L85 PathProgramCache]: Analyzing trace with hash -45800264, now seen corresponding path program 1 times [2024-11-17 04:38:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:39,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928498379] [2024-11-17 04:38:39,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:39,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:39,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:39,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:39,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:38:39,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:39,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928498379] [2024-11-17 04:38:39,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928498379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:39,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:39,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:38:39,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291313447] [2024-11-17 04:38:39,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:39,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:38:39,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:39,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:38:39,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:38:39,433 INFO L87 Difference]: Start difference. First operand has 89 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 76 states have internal predecessors, (85), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:38:39,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:39,456 INFO L93 Difference]: Finished difference Result 174 states and 215 transitions. [2024-11-17 04:38:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:38:39,458 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-17 04:38:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:39,464 INFO L225 Difference]: With dead ends: 174 [2024-11-17 04:38:39,465 INFO L226 Difference]: Without dead ends: 81 [2024-11-17 04:38:39,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:38:39,471 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:39,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:38:39,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-17 04:38:39,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-17 04:38:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 47 states have (on average 1.553191489361702) internal successors, (73), 70 states have internal predecessors, (73), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:38:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2024-11-17 04:38:39,513 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 22 [2024-11-17 04:38:39,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:39,514 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2024-11-17 04:38:39,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:38:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2024-11-17 04:38:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:38:39,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:39,519 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:39,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:38:39,519 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:39,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:39,520 INFO L85 PathProgramCache]: Analyzing trace with hash -973038816, now seen corresponding path program 1 times [2024-11-17 04:38:39,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:39,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503958848] [2024-11-17 04:38:39,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:39,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:39,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032180022] [2024-11-17 04:38:39,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:39,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:39,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:39,571 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) [2024-11-17 04:38:39,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:38:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:39,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:38:39,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:39,691 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:38:39,692 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:38:39,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:39,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503958848] [2024-11-17 04:38:39,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:39,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032180022] [2024-11-17 04:38:39,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032180022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:39,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:39,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:38:39,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583770610] [2024-11-17 04:38:39,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:39,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:38:39,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:39,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:38:39,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:39,698 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:38:39,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:39,788 INFO L93 Difference]: Finished difference Result 166 states and 185 transitions. [2024-11-17 04:38:39,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:38:39,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 32 [2024-11-17 04:38:39,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:39,790 INFO L225 Difference]: With dead ends: 166 [2024-11-17 04:38:39,792 INFO L226 Difference]: Without dead ends: 112 [2024-11-17 04:38:39,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:39,795 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 23 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:39,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 143 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:38:39,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-17 04:38:39,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 105. [2024-11-17 04:38:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 66 states have (on average 1.5) internal successors, (99), 89 states have internal predecessors, (99), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:38:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 125 transitions. [2024-11-17 04:38:39,819 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 125 transitions. Word has length 32 [2024-11-17 04:38:39,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:39,820 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 125 transitions. [2024-11-17 04:38:39,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:38:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2024-11-17 04:38:39,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:38:39,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:39,821 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:39,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:38:40,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:40,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:40,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:40,023 INFO L85 PathProgramCache]: Analyzing trace with hash -460726358, now seen corresponding path program 1 times [2024-11-17 04:38:40,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:40,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721706743] [2024-11-17 04:38:40,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:38:40,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:40,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721706743] [2024-11-17 04:38:40,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721706743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:40,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:40,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:38:40,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333518407] [2024-11-17 04:38:40,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:40,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:38:40,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:40,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:38:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:40,225 INFO L87 Difference]: Start difference. First operand 105 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:40,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:40,288 INFO L93 Difference]: Finished difference Result 105 states and 125 transitions. [2024-11-17 04:38:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:38:40,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2024-11-17 04:38:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:40,290 INFO L225 Difference]: With dead ends: 105 [2024-11-17 04:38:40,292 INFO L226 Difference]: Without dead ends: 103 [2024-11-17 04:38:40,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:40,294 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 46 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:40,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 82 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:38:40,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-17 04:38:40,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-17 04:38:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 87 states have internal predecessors, (96), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:38:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2024-11-17 04:38:40,310 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 40 [2024-11-17 04:38:40,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:40,310 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2024-11-17 04:38:40,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2024-11-17 04:38:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:38:40,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:40,312 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:40,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:38:40,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:40,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:40,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1397615179, now seen corresponding path program 1 times [2024-11-17 04:38:40,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:40,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394071636] [2024-11-17 04:38:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:40,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:38:40,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:40,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394071636] [2024-11-17 04:38:40,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394071636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:40,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:40,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:38:40,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622405490] [2024-11-17 04:38:40,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:40,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:38:40,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:38:40,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:40,484 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:40,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:40,554 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2024-11-17 04:38:40,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:38:40,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-17 04:38:40,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:40,559 INFO L225 Difference]: With dead ends: 112 [2024-11-17 04:38:40,560 INFO L226 Difference]: Without dead ends: 111 [2024-11-17 04:38:40,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:40,562 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 18 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:40,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 136 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:38:40,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-17 04:38:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 103. [2024-11-17 04:38:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 87 states have internal predecessors, (95), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:38:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2024-11-17 04:38:40,594 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 41 [2024-11-17 04:38:40,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:40,595 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2024-11-17 04:38:40,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:40,595 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2024-11-17 04:38:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:38:40,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:40,596 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:40,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:38:40,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:40,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:40,597 INFO L85 PathProgramCache]: Analyzing trace with hash -376437250, now seen corresponding path program 1 times [2024-11-17 04:38:40,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:40,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442996261] [2024-11-17 04:38:40,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:40,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:40,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298515435] [2024-11-17 04:38:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:40,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:40,631 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) [2024-11-17 04:38:40,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:38:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:40,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:38:40,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:38:40,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:38:40,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:40,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442996261] [2024-11-17 04:38:40,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:40,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298515435] [2024-11-17 04:38:40,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298515435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:40,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:40,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:38:40,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069310704] [2024-11-17 04:38:40,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:40,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:38:40,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:40,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:38:40,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:40,731 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:40,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:40,797 INFO L93 Difference]: Finished difference Result 142 states and 169 transitions. [2024-11-17 04:38:40,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:38:40,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-11-17 04:38:40,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:40,800 INFO L225 Difference]: With dead ends: 142 [2024-11-17 04:38:40,800 INFO L226 Difference]: Without dead ends: 138 [2024-11-17 04:38:40,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:40,802 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 43 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:40,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 116 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:38:40,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-17 04:38:40,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 123. [2024-11-17 04:38:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 105 states have internal predecessors, (120), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:38:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 150 transitions. [2024-11-17 04:38:40,821 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 150 transitions. Word has length 42 [2024-11-17 04:38:40,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:40,822 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 150 transitions. [2024-11-17 04:38:40,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions. [2024-11-17 04:38:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:38:40,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:40,823 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:40,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:38:41,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:41,024 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:41,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash -978943844, now seen corresponding path program 1 times [2024-11-17 04:38:41,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:41,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374312212] [2024-11-17 04:38:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:41,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:38:41,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:41,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374312212] [2024-11-17 04:38:41,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374312212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:41,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:41,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:38:41,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244726936] [2024-11-17 04:38:41,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:41,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:38:41,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:41,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:38:41,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:38:41,177 INFO L87 Difference]: Start difference. First operand 123 states and 150 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:41,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:41,474 INFO L93 Difference]: Finished difference Result 140 states and 166 transitions. [2024-11-17 04:38:41,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:38:41,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-17 04:38:41,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:41,475 INFO L225 Difference]: With dead ends: 140 [2024-11-17 04:38:41,476 INFO L226 Difference]: Without dead ends: 139 [2024-11-17 04:38:41,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:38:41,479 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 101 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:41,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 121 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:38:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-17 04:38:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 128. [2024-11-17 04:38:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 89 states have (on average 1.404494382022472) internal successors, (125), 110 states have internal predecessors, (125), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:38:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 155 transitions. [2024-11-17 04:38:41,504 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 155 transitions. Word has length 44 [2024-11-17 04:38:41,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:41,506 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 155 transitions. [2024-11-17 04:38:41,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 155 transitions. [2024-11-17 04:38:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:38:41,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:41,509 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:41,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:38:41,510 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:41,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:41,510 INFO L85 PathProgramCache]: Analyzing trace with hash -282488079, now seen corresponding path program 1 times [2024-11-17 04:38:41,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:41,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620555145] [2024-11-17 04:38:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:41,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:41,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211542485] [2024-11-17 04:38:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:41,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:41,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:41,533 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) [2024-11-17 04:38:41,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:38:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:41,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:38:41,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-17 04:38:41,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:38:41,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:41,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620555145] [2024-11-17 04:38:41,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:41,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211542485] [2024-11-17 04:38:41,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211542485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:41,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:41,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:38:41,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237596356] [2024-11-17 04:38:41,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:41,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:38:41,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:41,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:38:41,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:41,692 INFO L87 Difference]: Start difference. First operand 128 states and 155 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:41,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:41,792 INFO L93 Difference]: Finished difference Result 140 states and 163 transitions. [2024-11-17 04:38:41,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:38:41,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-17 04:38:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:41,794 INFO L225 Difference]: With dead ends: 140 [2024-11-17 04:38:41,794 INFO L226 Difference]: Without dead ends: 137 [2024-11-17 04:38:41,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:41,795 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 35 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:41,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 108 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:38:41,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-17 04:38:41,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2024-11-17 04:38:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 111 states have internal predecessors, (124), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-17 04:38:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 154 transitions. [2024-11-17 04:38:41,823 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 154 transitions. Word has length 45 [2024-11-17 04:38:41,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:41,824 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 154 transitions. [2024-11-17 04:38:41,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 04:38:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 154 transitions. [2024-11-17 04:38:41,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-17 04:38:41,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:41,825 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:41,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:38:42,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:42,026 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:42,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:42,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1438582469, now seen corresponding path program 1 times [2024-11-17 04:38:42,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:42,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768204722] [2024-11-17 04:38:42,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:42,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:42,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958432727] [2024-11-17 04:38:42,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:42,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:42,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:42,043 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) [2024-11-17 04:38:42,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:38:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:42,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:38:42,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 04:38:42,303 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:38:42,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:42,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768204722] [2024-11-17 04:38:42,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:42,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958432727] [2024-11-17 04:38:42,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958432727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:42,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:38:42,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:38:42,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899163685] [2024-11-17 04:38:42,519 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:38:42,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:38:42,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:42,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:38:42,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:38:42,521 INFO L87 Difference]: Start difference. First operand 129 states and 154 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:38:42,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:42,686 INFO L93 Difference]: Finished difference Result 145 states and 174 transitions. [2024-11-17 04:38:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:38:42,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 58 [2024-11-17 04:38:42,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:42,688 INFO L225 Difference]: With dead ends: 145 [2024-11-17 04:38:42,689 INFO L226 Difference]: Without dead ends: 137 [2024-11-17 04:38:42,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:38:42,690 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 85 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:42,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 244 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:38:42,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-17 04:38:42,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-17 04:38:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 99 states have (on average 1.292929292929293) internal successors, (128), 116 states have internal predecessors, (128), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:38:42,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2024-11-17 04:38:42,716 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 58 [2024-11-17 04:38:42,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:42,717 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2024-11-17 04:38:42,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:38:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2024-11-17 04:38:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-17 04:38:42,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:42,720 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:42,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:38:42,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:42,926 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:42,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:42,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1646383541, now seen corresponding path program 1 times [2024-11-17 04:38:42,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:42,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535519486] [2024-11-17 04:38:42,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:42,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:42,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398338960] [2024-11-17 04:38:42,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:42,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:42,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:42,945 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) [2024-11-17 04:38:42,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:38:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:42,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:38:43,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 04:38:43,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:38:43,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:43,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535519486] [2024-11-17 04:38:43,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:43,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398338960] [2024-11-17 04:38:43,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398338960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:43,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:38:43,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:38:43,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057589328] [2024-11-17 04:38:43,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:38:43,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:38:43,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:43,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:38:43,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:38:43,351 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:38:43,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:43,567 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2024-11-17 04:38:43,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:38:43,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 59 [2024-11-17 04:38:43,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:43,570 INFO L225 Difference]: With dead ends: 224 [2024-11-17 04:38:43,570 INFO L226 Difference]: Without dead ends: 220 [2024-11-17 04:38:43,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:38:43,571 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 124 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:43,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 226 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:38:43,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-17 04:38:43,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2024-11-17 04:38:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 162 states have (on average 1.2901234567901234) internal successors, (209), 179 states have internal predecessors, (209), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-17 04:38:43,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 261 transitions. [2024-11-17 04:38:43,597 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 261 transitions. Word has length 59 [2024-11-17 04:38:43,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:43,598 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 261 transitions. [2024-11-17 04:38:43,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:38:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 261 transitions. [2024-11-17 04:38:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 04:38:43,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:43,603 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:43,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:38:43,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:43,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:43,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:43,804 INFO L85 PathProgramCache]: Analyzing trace with hash -104062603, now seen corresponding path program 1 times [2024-11-17 04:38:43,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:43,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433071163] [2024-11-17 04:38:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:43,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-17 04:38:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:38:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-17 04:38:43,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:43,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433071163] [2024-11-17 04:38:43,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433071163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:43,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:43,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:38:43,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636177952] [2024-11-17 04:38:43,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:43,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:38:43,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:43,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:38:43,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:38:43,956 INFO L87 Difference]: Start difference. First operand 208 states and 261 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:38:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:44,399 INFO L93 Difference]: Finished difference Result 219 states and 272 transitions. [2024-11-17 04:38:44,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:38:44,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2024-11-17 04:38:44,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:44,401 INFO L225 Difference]: With dead ends: 219 [2024-11-17 04:38:44,401 INFO L226 Difference]: Without dead ends: 203 [2024-11-17 04:38:44,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:38:44,402 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 48 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:44,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 152 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:38:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-17 04:38:44,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 172. [2024-11-17 04:38:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 132 states have (on average 1.3257575757575757) internal successors, (175), 149 states have internal predecessors, (175), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:38:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 215 transitions. [2024-11-17 04:38:44,417 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 215 transitions. Word has length 61 [2024-11-17 04:38:44,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:44,418 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 215 transitions. [2024-11-17 04:38:44,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:38:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 215 transitions. [2024-11-17 04:38:44,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:38:44,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:44,419 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:44,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:38:44,419 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:44,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:44,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1270507002, now seen corresponding path program 1 times [2024-11-17 04:38:44,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:44,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373498360] [2024-11-17 04:38:44,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:44,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:38:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:38:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:38:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-17 04:38:44,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:44,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373498360] [2024-11-17 04:38:44,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373498360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:44,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317171252] [2024-11-17 04:38:44,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:44,509 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) [2024-11-17 04:38:44,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:38:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:44,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:38:44,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-17 04:38:44,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:38:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-17 04:38:44,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317171252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:38:44,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:38:44,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 04:38:44,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935539715] [2024-11-17 04:38:44,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:38:44,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:38:44,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:38:44,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:38:44,703 INFO L87 Difference]: Start difference. First operand 172 states and 215 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-17 04:38:44,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:44,870 INFO L93 Difference]: Finished difference Result 300 states and 372 transitions. [2024-11-17 04:38:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:38:44,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 67 [2024-11-17 04:38:44,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:44,873 INFO L225 Difference]: With dead ends: 300 [2024-11-17 04:38:44,874 INFO L226 Difference]: Without dead ends: 298 [2024-11-17 04:38:44,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:38:44,875 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 136 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:44,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 260 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:38:44,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-17 04:38:44,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 244. [2024-11-17 04:38:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 194 states have (on average 1.3195876288659794) internal successors, (256), 211 states have internal predecessors, (256), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 04:38:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 316 transitions. [2024-11-17 04:38:44,898 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 316 transitions. Word has length 67 [2024-11-17 04:38:44,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:44,899 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 316 transitions. [2024-11-17 04:38:44,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-17 04:38:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 316 transitions. [2024-11-17 04:38:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-17 04:38:44,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:44,901 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:44,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:38:45,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:45,105 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:45,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash 945739600, now seen corresponding path program 2 times [2024-11-17 04:38:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:45,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012803100] [2024-11-17 04:38:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:45,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:45,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1423983931] [2024-11-17 04:38:45,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:38:45,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:45,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:45,122 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) [2024-11-17 04:38:45,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:38:45,176 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:38:45,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:38:45,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:38:45,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-17 04:38:45,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:38:45,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:45,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012803100] [2024-11-17 04:38:45,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:45,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423983931] [2024-11-17 04:38:45,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423983931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:45,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:38:45,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:38:45,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790181896] [2024-11-17 04:38:45,799 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:38:45,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:38:45,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:45,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:38:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:38:45,801 INFO L87 Difference]: Start difference. First operand 244 states and 316 transitions. Second operand has 13 states, 12 states have (on average 3.5) internal successors, (42), 13 states have internal predecessors, (42), 6 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-17 04:38:46,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:46,609 INFO L93 Difference]: Finished difference Result 330 states and 423 transitions. [2024-11-17 04:38:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:38:46,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 13 states have internal predecessors, (42), 6 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) Word has length 85 [2024-11-17 04:38:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:46,611 INFO L225 Difference]: With dead ends: 330 [2024-11-17 04:38:46,612 INFO L226 Difference]: Without dead ends: 326 [2024-11-17 04:38:46,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:38:46,613 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 165 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:46,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 574 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:38:46,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-17 04:38:46,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 244. [2024-11-17 04:38:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 194 states have (on average 1.309278350515464) internal successors, (254), 211 states have internal predecessors, (254), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 04:38:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 314 transitions. [2024-11-17 04:38:46,636 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 314 transitions. Word has length 85 [2024-11-17 04:38:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:46,637 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 314 transitions. [2024-11-17 04:38:46,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5) internal successors, (42), 13 states have internal predecessors, (42), 6 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-17 04:38:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 314 transitions. [2024-11-17 04:38:46,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-17 04:38:46,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:46,639 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:46,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:38:46,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:46,840 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:46,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:46,841 INFO L85 PathProgramCache]: Analyzing trace with hash -715826453, now seen corresponding path program 1 times [2024-11-17 04:38:46,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:46,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622527551] [2024-11-17 04:38:46,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:46,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:38:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:38:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:38:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 04:38:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:38:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-17 04:38:46,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:46,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622527551] [2024-11-17 04:38:46,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622527551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:46,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:46,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:38:46,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087832819] [2024-11-17 04:38:46,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:46,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:38:46,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:46,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:38:46,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:46,934 INFO L87 Difference]: Start difference. First operand 244 states and 314 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:38:46,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:46,985 INFO L93 Difference]: Finished difference Result 244 states and 314 transitions. [2024-11-17 04:38:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:38:46,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 92 [2024-11-17 04:38:46,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:46,987 INFO L225 Difference]: With dead ends: 244 [2024-11-17 04:38:46,987 INFO L226 Difference]: Without dead ends: 243 [2024-11-17 04:38:46,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:38:46,988 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:46,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 127 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:38:47,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-17 04:38:47,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2024-11-17 04:38:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 194 states have (on average 1.2938144329896908) internal successors, (251), 210 states have internal predecessors, (251), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 04:38:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 311 transitions. [2024-11-17 04:38:47,025 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 311 transitions. Word has length 92 [2024-11-17 04:38:47,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:47,026 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 311 transitions. [2024-11-17 04:38:47,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:38:47,026 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 311 transitions. [2024-11-17 04:38:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-17 04:38:47,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:47,027 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:47,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:38:47,027 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:47,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash -715783574, now seen corresponding path program 1 times [2024-11-17 04:38:47,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:47,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470652835] [2024-11-17 04:38:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:47,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:38:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:38:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:38:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 04:38:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:38:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-17 04:38:47,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:47,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470652835] [2024-11-17 04:38:47,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470652835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:47,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:47,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:38:47,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680552928] [2024-11-17 04:38:47,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:47,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:38:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:47,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:38:47,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:38:47,287 INFO L87 Difference]: Start difference. First operand 243 states and 311 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:38:47,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:47,676 INFO L93 Difference]: Finished difference Result 434 states and 576 transitions. [2024-11-17 04:38:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:38:47,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2024-11-17 04:38:47,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:47,679 INFO L225 Difference]: With dead ends: 434 [2024-11-17 04:38:47,679 INFO L226 Difference]: Without dead ends: 433 [2024-11-17 04:38:47,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:38:47,680 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 116 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:47,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 233 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:38:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-17 04:38:47,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 369. [2024-11-17 04:38:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 308 states have (on average 1.344155844155844) internal successors, (414), 324 states have internal predecessors, (414), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-17 04:38:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 498 transitions. [2024-11-17 04:38:47,710 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 498 transitions. Word has length 93 [2024-11-17 04:38:47,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:47,710 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 498 transitions. [2024-11-17 04:38:47,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:38:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 498 transitions. [2024-11-17 04:38:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-17 04:38:47,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:47,712 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:47,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:38:47,712 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:47,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:47,712 INFO L85 PathProgramCache]: Analyzing trace with hash -673247640, now seen corresponding path program 1 times [2024-11-17 04:38:47,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:47,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360635090] [2024-11-17 04:38:47,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:47,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:38:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:38:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:38:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 04:38:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:38:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-17 04:38:47,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:47,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360635090] [2024-11-17 04:38:47,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360635090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:47,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653918864] [2024-11-17 04:38:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:47,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:47,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:47,884 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) [2024-11-17 04:38:47,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:38:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:47,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:38:47,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-17 04:38:48,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:38:48,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653918864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:48,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:38:48,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:38:48,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073991390] [2024-11-17 04:38:48,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:48,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:38:48,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:48,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:38:48,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:38:48,126 INFO L87 Difference]: Start difference. First operand 369 states and 498 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:38:48,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:48,341 INFO L93 Difference]: Finished difference Result 443 states and 584 transitions. [2024-11-17 04:38:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:38:48,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 95 [2024-11-17 04:38:48,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:48,344 INFO L225 Difference]: With dead ends: 443 [2024-11-17 04:38:48,344 INFO L226 Difference]: Without dead ends: 442 [2024-11-17 04:38:48,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:38:48,346 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 60 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:48,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 127 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:38:48,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-17 04:38:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 381. [2024-11-17 04:38:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 320 states have (on average 1.33125) internal successors, (426), 336 states have internal predecessors, (426), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-17 04:38:48,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 510 transitions. [2024-11-17 04:38:48,387 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 510 transitions. Word has length 95 [2024-11-17 04:38:48,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:48,388 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 510 transitions. [2024-11-17 04:38:48,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:38:48,388 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 510 transitions. [2024-11-17 04:38:48,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-17 04:38:48,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:48,389 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:48,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:38:48,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-17 04:38:48,590 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:48,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:48,591 INFO L85 PathProgramCache]: Analyzing trace with hash 604159624, now seen corresponding path program 1 times [2024-11-17 04:38:48,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:48,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135665103] [2024-11-17 04:38:48,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:48,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:38:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:38:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:38:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 04:38:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:38:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-17 04:38:48,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:48,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135665103] [2024-11-17 04:38:48,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135665103] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:48,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113858000] [2024-11-17 04:38:48,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:48,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:48,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:48,758 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) [2024-11-17 04:38:48,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:38:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:48,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:38:48,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-17 04:38:48,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:38:48,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113858000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:48,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:38:48,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:38:48,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461515273] [2024-11-17 04:38:48,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:48,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:38:48,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:48,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:38:48,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:38:48,958 INFO L87 Difference]: Start difference. First operand 381 states and 510 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:38:49,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:49,253 INFO L93 Difference]: Finished difference Result 443 states and 581 transitions. [2024-11-17 04:38:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:38:49,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2024-11-17 04:38:49,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:49,256 INFO L225 Difference]: With dead ends: 443 [2024-11-17 04:38:49,257 INFO L226 Difference]: Without dead ends: 441 [2024-11-17 04:38:49,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:38:49,257 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 68 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:49,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 164 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:38:49,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-17 04:38:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 384. [2024-11-17 04:38:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 323 states have (on average 1.3219814241486068) internal successors, (427), 339 states have internal predecessors, (427), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-17 04:38:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 511 transitions. [2024-11-17 04:38:49,304 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 511 transitions. Word has length 96 [2024-11-17 04:38:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:49,304 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 511 transitions. [2024-11-17 04:38:49,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-17 04:38:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 511 transitions. [2024-11-17 04:38:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:38:49,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:49,305 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:49,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:38:49,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:38:49,506 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:49,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:49,506 INFO L85 PathProgramCache]: Analyzing trace with hash -806823603, now seen corresponding path program 1 times [2024-11-17 04:38:49,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:49,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703728271] [2024-11-17 04:38:49,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:49,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:49,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651291923] [2024-11-17 04:38:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:49,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:49,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:49,538 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) [2024-11-17 04:38:49,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:38:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:49,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:38:49,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-17 04:38:50,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:38:50,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:50,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703728271] [2024-11-17 04:38:50,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:50,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651291923] [2024-11-17 04:38:50,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651291923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:50,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:38:50,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:38:50,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858987815] [2024-11-17 04:38:50,760 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:38:50,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:38:50,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:50,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:38:50,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:38:50,761 INFO L87 Difference]: Start difference. First operand 384 states and 511 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:38:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:51,360 INFO L93 Difference]: Finished difference Result 479 states and 632 transitions. [2024-11-17 04:38:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:38:51,361 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 100 [2024-11-17 04:38:51,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:51,363 INFO L225 Difference]: With dead ends: 479 [2024-11-17 04:38:51,363 INFO L226 Difference]: Without dead ends: 478 [2024-11-17 04:38:51,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:38:51,364 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 142 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:51,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 352 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:38:51,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-17 04:38:51,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 444. [2024-11-17 04:38:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 377 states have (on average 1.3023872679045092) internal successors, (491), 393 states have internal predecessors, (491), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-17 04:38:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 587 transitions. [2024-11-17 04:38:51,403 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 587 transitions. Word has length 100 [2024-11-17 04:38:51,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:51,403 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 587 transitions. [2024-11-17 04:38:51,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:38:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 587 transitions. [2024-11-17 04:38:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-17 04:38:51,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:51,404 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:51,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:38:51,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:38:51,605 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:51,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:51,605 INFO L85 PathProgramCache]: Analyzing trace with hash 758272100, now seen corresponding path program 1 times [2024-11-17 04:38:51,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:51,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714427881] [2024-11-17 04:38:51,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:51,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:51,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587397033] [2024-11-17 04:38:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:51,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:51,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:51,635 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) [2024-11-17 04:38:51,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:38:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:51,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:38:51,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-17 04:38:52,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:38:52,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714427881] [2024-11-17 04:38:52,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587397033] [2024-11-17 04:38:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587397033] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:38:52,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:38:52,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:38:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937387046] [2024-11-17 04:38:52,763 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:38:52,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:38:52,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:52,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:38:52,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:38:52,765 INFO L87 Difference]: Start difference. First operand 444 states and 587 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:38:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:53,217 INFO L93 Difference]: Finished difference Result 522 states and 689 transitions. [2024-11-17 04:38:53,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:38:53,218 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 101 [2024-11-17 04:38:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:53,221 INFO L225 Difference]: With dead ends: 522 [2024-11-17 04:38:53,221 INFO L226 Difference]: Without dead ends: 521 [2024-11-17 04:38:53,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:38:53,222 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 152 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:53,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 303 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:38:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-17 04:38:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 504. [2024-11-17 04:38:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 431 states have (on average 1.283062645011601) internal successors, (553), 447 states have internal predecessors, (553), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-17 04:38:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 661 transitions. [2024-11-17 04:38:53,262 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 661 transitions. Word has length 101 [2024-11-17 04:38:53,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:53,263 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 661 transitions. [2024-11-17 04:38:53,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-17 04:38:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 661 transitions. [2024-11-17 04:38:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-17 04:38:53,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:53,264 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:53,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:38:53,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 04:38:53,469 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:53,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2031598635, now seen corresponding path program 1 times [2024-11-17 04:38:53,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:53,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534751946] [2024-11-17 04:38:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:38:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:38:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:38:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:38:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:38:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:38:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:38:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:38:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:38:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 04:38:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:38:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-17 04:38:53,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:53,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534751946] [2024-11-17 04:38:53,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534751946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:38:53,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:38:53,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:38:53,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014584914] [2024-11-17 04:38:53,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:38:53,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:38:53,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:53,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:38:53,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:38:53,576 INFO L87 Difference]: Start difference. First operand 504 states and 661 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:38:53,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:38:53,841 INFO L93 Difference]: Finished difference Result 504 states and 661 transitions. [2024-11-17 04:38:53,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:38:53,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 102 [2024-11-17 04:38:53,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:38:53,845 INFO L225 Difference]: With dead ends: 504 [2024-11-17 04:38:53,845 INFO L226 Difference]: Without dead ends: 503 [2024-11-17 04:38:53,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:38:53,848 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 85 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:38:53,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 128 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:38:53,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-17 04:38:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 488. [2024-11-17 04:38:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 416 states have (on average 1.2596153846153846) internal successors, (524), 431 states have internal predecessors, (524), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-17 04:38:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 632 transitions. [2024-11-17 04:38:53,891 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 632 transitions. Word has length 102 [2024-11-17 04:38:53,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:38:53,892 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 632 transitions. [2024-11-17 04:38:53,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-17 04:38:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 632 transitions. [2024-11-17 04:38:53,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-17 04:38:53,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:38:53,893 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:38:53,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 04:38:53,894 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:38:53,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:38:53,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1444951742, now seen corresponding path program 1 times [2024-11-17 04:38:53,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:38:53,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073784455] [2024-11-17 04:38:53,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:38:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:38:53,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1313421709] [2024-11-17 04:38:53,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:38:53,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:38:53,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:38:53,913 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) [2024-11-17 04:38:53,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:38:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:38:53,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-17 04:38:53,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:38:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-17 04:38:54,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:38:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-17 04:38:57,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:38:57,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073784455] [2024-11-17 04:38:57,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:38:57,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313421709] [2024-11-17 04:38:57,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313421709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:38:57,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:38:57,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2024-11-17 04:38:57,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962662866] [2024-11-17 04:38:57,213 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:38:57,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 04:38:57,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:38:57,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 04:38:57,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:38:57,215 INFO L87 Difference]: Start difference. First operand 488 states and 632 transitions. Second operand has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 23 states have internal predecessors, (103), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-17 04:39:01,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:01,912 INFO L93 Difference]: Finished difference Result 682 states and 882 transitions. [2024-11-17 04:39:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 04:39:01,922 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 23 states have internal predecessors, (103), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 103 [2024-11-17 04:39:01,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:01,924 INFO L225 Difference]: With dead ends: 682 [2024-11-17 04:39:01,924 INFO L226 Difference]: Without dead ends: 538 [2024-11-17 04:39:01,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=566, Invalid=1786, Unknown=0, NotChecked=0, Total=2352 [2024-11-17 04:39:01,926 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 483 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:01,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 356 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-17 04:39:01,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-17 04:39:01,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 487. [2024-11-17 04:39:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 419 states have (on average 1.2553699284009547) internal successors, (526), 434 states have internal predecessors, (526), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-17 04:39:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 626 transitions. [2024-11-17 04:39:01,977 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 626 transitions. Word has length 103 [2024-11-17 04:39:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:01,980 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 626 transitions. [2024-11-17 04:39:01,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 23 states have internal predecessors, (103), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2024-11-17 04:39:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 626 transitions. [2024-11-17 04:39:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 04:39:01,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:01,982 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:01,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:39:02,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:02,186 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:02,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:02,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1434686485, now seen corresponding path program 3 times [2024-11-17 04:39:02,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:02,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570494892] [2024-11-17 04:39:02,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:39:02,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401036522] [2024-11-17 04:39:02,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:39:02,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:02,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:02,206 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) [2024-11-17 04:39:02,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:39:02,256 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:39:02,256 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:39:02,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:39:02,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:39:02,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:03,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:03,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570494892] [2024-11-17 04:39:03,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:39:03,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401036522] [2024-11-17 04:39:03,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401036522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:03,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:39:03,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:39:03,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236385682] [2024-11-17 04:39:03,189 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:03,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:39:03,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:03,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:39:03,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=197, Unknown=1, NotChecked=0, Total=240 [2024-11-17 04:39:03,191 INFO L87 Difference]: Start difference. First operand 487 states and 626 transitions. Second operand has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:39:04,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:39:08,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:39:09,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:09,057 INFO L93 Difference]: Finished difference Result 524 states and 669 transitions. [2024-11-17 04:39:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:39:09,058 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 111 [2024-11-17 04:39:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:09,060 INFO L225 Difference]: With dead ends: 524 [2024-11-17 04:39:09,061 INFO L226 Difference]: Without dead ends: 520 [2024-11-17 04:39:09,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=130, Invalid=415, Unknown=7, NotChecked=0, Total=552 [2024-11-17 04:39:09,062 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 273 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:09,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 289 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 589 Invalid, 2 Unknown, 0 Unchecked, 2.8s Time] [2024-11-17 04:39:09,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-17 04:39:09,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 482. [2024-11-17 04:39:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 417 states have (on average 1.2278177458033572) internal successors, (512), 429 states have internal predecessors, (512), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-17 04:39:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 612 transitions. [2024-11-17 04:39:09,118 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 612 transitions. Word has length 111 [2024-11-17 04:39:09,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:09,119 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 612 transitions. [2024-11-17 04:39:09,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:39:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 612 transitions. [2024-11-17 04:39:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 04:39:09,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:09,120 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:09,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:39:09,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-17 04:39:09,321 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:09,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:09,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1559269992, now seen corresponding path program 1 times [2024-11-17 04:39:09,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:09,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135964968] [2024-11-17 04:39:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:09,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:39:09,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384011225] [2024-11-17 04:39:09,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:09,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:09,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:09,347 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:09,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:39:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:09,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:39:09,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-17 04:39:09,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:10,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:10,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135964968] [2024-11-17 04:39:10,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:39:10,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384011225] [2024-11-17 04:39:10,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384011225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:10,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:39:10,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:39:10,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350335110] [2024-11-17 04:39:10,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:10,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:39:10,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:10,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:39:10,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:39:10,268 INFO L87 Difference]: Start difference. First operand 482 states and 612 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-17 04:39:10,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:10,657 INFO L93 Difference]: Finished difference Result 487 states and 619 transitions. [2024-11-17 04:39:10,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:39:10,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 117 [2024-11-17 04:39:10,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:10,661 INFO L225 Difference]: With dead ends: 487 [2024-11-17 04:39:10,661 INFO L226 Difference]: Without dead ends: 486 [2024-11-17 04:39:10,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:39:10,662 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 36 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:10,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 316 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:39:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-17 04:39:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 483. [2024-11-17 04:39:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 418 states have (on average 1.2272727272727273) internal successors, (513), 430 states have internal predecessors, (513), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-17 04:39:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 613 transitions. [2024-11-17 04:39:10,729 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 613 transitions. Word has length 117 [2024-11-17 04:39:10,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:10,729 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 613 transitions. [2024-11-17 04:39:10,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 9 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-17 04:39:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 613 transitions. [2024-11-17 04:39:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 04:39:10,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:10,731 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:10,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-17 04:39:10,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:10,931 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:10,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:10,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1092729475, now seen corresponding path program 1 times [2024-11-17 04:39:10,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:10,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580239805] [2024-11-17 04:39:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:10,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:39:10,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091242534] [2024-11-17 04:39:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:10,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:10,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:10,951 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:10,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:39:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:11,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:39:11,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-17 04:39:11,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:12,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:12,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580239805] [2024-11-17 04:39:12,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:39:12,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091242534] [2024-11-17 04:39:12,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091242534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:12,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:39:12,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:39:12,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314602420] [2024-11-17 04:39:12,926 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:12,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:39:12,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:12,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:39:12,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:39:12,928 INFO L87 Difference]: Start difference. First operand 483 states and 613 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-17 04:39:13,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:13,359 INFO L93 Difference]: Finished difference Result 814 states and 1051 transitions. [2024-11-17 04:39:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:39:13,360 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 118 [2024-11-17 04:39:13,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:13,362 INFO L225 Difference]: With dead ends: 814 [2024-11-17 04:39:13,362 INFO L226 Difference]: Without dead ends: 509 [2024-11-17 04:39:13,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:39:13,364 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 125 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:13,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 383 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:39:13,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-17 04:39:13,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 500. [2024-11-17 04:39:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 431 states have (on average 1.2389791183294663) internal successors, (534), 443 states have internal predecessors, (534), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-17 04:39:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 642 transitions. [2024-11-17 04:39:13,431 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 642 transitions. Word has length 118 [2024-11-17 04:39:13,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:13,432 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 642 transitions. [2024-11-17 04:39:13,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-11-17 04:39:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 642 transitions. [2024-11-17 04:39:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-17 04:39:13,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:13,433 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:13,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:39:13,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:13,634 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:13,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:13,634 INFO L85 PathProgramCache]: Analyzing trace with hash -485124666, now seen corresponding path program 1 times [2024-11-17 04:39:13,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:13,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465921648] [2024-11-17 04:39:13,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:13,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:39:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:39:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:39:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:39:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:39:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:39:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:39:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:39:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:39:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 04:39:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:39:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:39:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-17 04:39:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:13,732 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-17 04:39:13,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:13,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465921648] [2024-11-17 04:39:13,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465921648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:39:13,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:39:13,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:39:13,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543407340] [2024-11-17 04:39:13,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:39:13,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:39:13,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:13,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:39:13,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:39:13,734 INFO L87 Difference]: Start difference. First operand 500 states and 642 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-17 04:39:14,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:14,258 INFO L93 Difference]: Finished difference Result 500 states and 642 transitions. [2024-11-17 04:39:14,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:39:14,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 119 [2024-11-17 04:39:14,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:14,260 INFO L225 Difference]: With dead ends: 500 [2024-11-17 04:39:14,260 INFO L226 Difference]: Without dead ends: 499 [2024-11-17 04:39:14,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:39:14,261 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 55 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:14,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 161 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:39:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-17 04:39:14,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2024-11-17 04:39:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 431 states have (on average 1.2366589327146171) internal successors, (533), 442 states have internal predecessors, (533), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-17 04:39:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 641 transitions. [2024-11-17 04:39:14,317 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 641 transitions. Word has length 119 [2024-11-17 04:39:14,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:14,317 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 641 transitions. [2024-11-17 04:39:14,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-17 04:39:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 641 transitions. [2024-11-17 04:39:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:39:14,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:14,319 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:14,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-17 04:39:14,320 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:14,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:14,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2141004513, now seen corresponding path program 1 times [2024-11-17 04:39:14,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:14,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15724762] [2024-11-17 04:39:14,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:14,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:39:14,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415193849] [2024-11-17 04:39:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:14,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:14,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:14,355 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:14,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:39:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:14,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 04:39:14,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-17 04:39:15,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:16,995 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-17 04:39:16,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:16,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15724762] [2024-11-17 04:39:16,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:39:16,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415193849] [2024-11-17 04:39:16,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415193849] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:16,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:39:16,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2024-11-17 04:39:16,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245588076] [2024-11-17 04:39:16,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:16,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-17 04:39:16,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:16,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-17 04:39:16,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:39:16,997 INFO L87 Difference]: Start difference. First operand 499 states and 641 transitions. Second operand has 20 states, 19 states have (on average 6.157894736842105) internal successors, (117), 20 states have internal predecessors, (117), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-17 04:39:19,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:19,359 INFO L93 Difference]: Finished difference Result 556 states and 709 transitions. [2024-11-17 04:39:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:39:19,360 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.157894736842105) internal successors, (117), 20 states have internal predecessors, (117), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 120 [2024-11-17 04:39:19,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:19,362 INFO L225 Difference]: With dead ends: 556 [2024-11-17 04:39:19,362 INFO L226 Difference]: Without dead ends: 549 [2024-11-17 04:39:19,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 219 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=269, Invalid=787, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:39:19,364 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 138 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:19,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 405 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-17 04:39:19,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-17 04:39:19,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 496. [2024-11-17 04:39:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 428 states have (on average 1.2266355140186915) internal successors, (525), 439 states have internal predecessors, (525), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-17 04:39:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 633 transitions. [2024-11-17 04:39:19,432 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 633 transitions. Word has length 120 [2024-11-17 04:39:19,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:19,433 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 633 transitions. [2024-11-17 04:39:19,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.157894736842105) internal successors, (117), 20 states have internal predecessors, (117), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-17 04:39:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 633 transitions. [2024-11-17 04:39:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-17 04:39:19,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:19,436 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:19,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:39:19,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-17 04:39:19,641 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:19,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:19,641 INFO L85 PathProgramCache]: Analyzing trace with hash 940018648, now seen corresponding path program 1 times [2024-11-17 04:39:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758653108] [2024-11-17 04:39:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:39:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:39:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:39:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:39:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:39:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:39:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:39:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:39:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:39:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:39:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:39:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-17 04:39:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-17 04:39:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 04:39:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-17 04:39:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-17 04:39:19,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:19,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758653108] [2024-11-17 04:39:19,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758653108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:19,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367124714] [2024-11-17 04:39:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:19,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:19,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:19,775 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:19,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:39:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:19,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:39:19,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-17 04:39:19,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-17 04:39:20,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367124714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:20,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:20,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 04:39:20,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287010933] [2024-11-17 04:39:20,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:20,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:39:20,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:20,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:39:20,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:39:20,048 INFO L87 Difference]: Start difference. First operand 496 states and 633 transitions. Second operand has 11 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-17 04:39:20,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:20,372 INFO L93 Difference]: Finished difference Result 885 states and 1112 transitions. [2024-11-17 04:39:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:39:20,372 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 122 [2024-11-17 04:39:20,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:20,375 INFO L225 Difference]: With dead ends: 885 [2024-11-17 04:39:20,375 INFO L226 Difference]: Without dead ends: 883 [2024-11-17 04:39:20,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:39:20,376 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 309 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:20,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 377 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:39:20,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-17 04:39:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 589. [2024-11-17 04:39:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 507 states have (on average 1.205128205128205) internal successors, (611), 518 states have internal predecessors, (611), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-17 04:39:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 747 transitions. [2024-11-17 04:39:20,463 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 747 transitions. Word has length 122 [2024-11-17 04:39:20,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:20,464 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 747 transitions. [2024-11-17 04:39:20,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.9) internal successors, (109), 11 states have internal predecessors, (109), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-17 04:39:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 747 transitions. [2024-11-17 04:39:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-17 04:39:20,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:20,465 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:20,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:39:20,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-17 04:39:20,666 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:20,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:20,667 INFO L85 PathProgramCache]: Analyzing trace with hash -965516810, now seen corresponding path program 1 times [2024-11-17 04:39:20,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:20,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51010375] [2024-11-17 04:39:20,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:39:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 04:39:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-17 04:39:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:39:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-17 04:39:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:39:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:39:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-17 04:39:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:39:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 04:39:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 04:39:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:39:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-17 04:39:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-17 04:39:20,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:20,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51010375] [2024-11-17 04:39:20,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51010375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:20,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567399327] [2024-11-17 04:39:20,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:20,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:20,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:20,933 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:20,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:39:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:39:20,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:39:20,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-17 04:39:21,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-17 04:39:21,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567399327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:39:21,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:39:21,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-11-17 04:39:21,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097175347] [2024-11-17 04:39:21,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:21,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:39:21,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:21,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:39:21,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:39:21,213 INFO L87 Difference]: Start difference. First operand 589 states and 747 transitions. Second operand has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 12 states have internal predecessors, (140), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2024-11-17 04:39:22,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:22,006 INFO L93 Difference]: Finished difference Result 1033 states and 1335 transitions. [2024-11-17 04:39:22,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:39:22,006 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 12 states have internal predecessors, (140), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 125 [2024-11-17 04:39:22,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:22,009 INFO L225 Difference]: With dead ends: 1033 [2024-11-17 04:39:22,009 INFO L226 Difference]: Without dead ends: 866 [2024-11-17 04:39:22,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:39:22,010 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 212 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:22,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 603 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:39:22,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-17 04:39:22,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 583. [2024-11-17 04:39:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 501 states have (on average 1.2335329341317365) internal successors, (618), 512 states have internal predecessors, (618), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-17 04:39:22,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 754 transitions. [2024-11-17 04:39:22,099 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 754 transitions. Word has length 125 [2024-11-17 04:39:22,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:22,100 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 754 transitions. [2024-11-17 04:39:22,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 12 states have internal predecessors, (140), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2024-11-17 04:39:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 754 transitions. [2024-11-17 04:39:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-17 04:39:22,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:22,102 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:22,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:39:22,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-17 04:39:22,303 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:22,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:22,304 INFO L85 PathProgramCache]: Analyzing trace with hash -93038104, now seen corresponding path program 2 times [2024-11-17 04:39:22,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:22,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114541127] [2024-11-17 04:39:22,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:22,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:39:22,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217823723] [2024-11-17 04:39:22,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:39:22,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:22,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:22,333 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:22,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:39:22,397 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:39:22,398 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:39:22,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:39:22,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-17 04:39:22,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:23,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:23,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114541127] [2024-11-17 04:39:23,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:39:23,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217823723] [2024-11-17 04:39:23,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217823723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:23,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:39:23,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:39:23,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229799482] [2024-11-17 04:39:23,249 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:23,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:39:23,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:23,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:39:23,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:39:23,251 INFO L87 Difference]: Start difference. First operand 583 states and 754 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-17 04:39:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:23,429 INFO L93 Difference]: Finished difference Result 583 states and 754 transitions. [2024-11-17 04:39:23,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:39:23,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 126 [2024-11-17 04:39:23,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:23,432 INFO L225 Difference]: With dead ends: 583 [2024-11-17 04:39:23,432 INFO L226 Difference]: Without dead ends: 581 [2024-11-17 04:39:23,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:39:23,433 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 87 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:23,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 206 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:39:23,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-17 04:39:23,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2024-11-17 04:39:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 501 states have (on average 1.1776447105788423) internal successors, (590), 510 states have internal predecessors, (590), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-17 04:39:23,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 726 transitions. [2024-11-17 04:39:23,512 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 726 transitions. Word has length 126 [2024-11-17 04:39:23,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:23,513 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 726 transitions. [2024-11-17 04:39:23,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-17 04:39:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 726 transitions. [2024-11-17 04:39:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-17 04:39:23,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:23,514 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:23,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:39:23,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:23,715 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:23,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:23,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1410786089, now seen corresponding path program 2 times [2024-11-17 04:39:23,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:23,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992960695] [2024-11-17 04:39:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:23,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:39:23,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289922351] [2024-11-17 04:39:23,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:39:23,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:23,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:23,741 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:23,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:39:23,809 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:39:23,810 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:39:23,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 04:39:23,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:39:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 3 proven. 37 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-17 04:39:24,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:39:24,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:39:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992960695] [2024-11-17 04:39:24,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:39:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289922351] [2024-11-17 04:39:24,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289922351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:39:24,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:39:24,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:39:24,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012608068] [2024-11-17 04:39:24,700 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:39:24,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:39:24,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:39:24,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:39:24,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:39:24,701 INFO L87 Difference]: Start difference. First operand 581 states and 726 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:39:25,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:39:25,201 INFO L93 Difference]: Finished difference Result 628 states and 784 transitions. [2024-11-17 04:39:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:39:25,202 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 127 [2024-11-17 04:39:25,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:39:25,204 INFO L225 Difference]: With dead ends: 628 [2024-11-17 04:39:25,204 INFO L226 Difference]: Without dead ends: 627 [2024-11-17 04:39:25,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:39:25,205 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 122 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:39:25,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 292 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:39:25,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-17 04:39:25,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 611. [2024-11-17 04:39:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 527 states have (on average 1.1726755218216318) internal successors, (618), 536 states have internal predecessors, (618), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-17 04:39:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 762 transitions. [2024-11-17 04:39:25,285 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 762 transitions. Word has length 127 [2024-11-17 04:39:25,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:39:25,286 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 762 transitions. [2024-11-17 04:39:25,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:39:25,286 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 762 transitions. [2024-11-17 04:39:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-17 04:39:25,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:39:25,287 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:39:25,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:39:25,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:39:25,487 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-17 04:39:25,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:39:25,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1022024110, now seen corresponding path program 3 times [2024-11-17 04:39:25,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:39:25,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628593190] [2024-11-17 04:39:25,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:39:25,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:39:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:39:25,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708562646] [2024-11-17 04:39:25,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:39:25,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:39:25,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:39:25,524 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:39:25,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:39:25,581 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:39:25,582 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:39:25,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:39:25,585 INFO L278 TraceCheckSpWp]: Computing forward predicates...