./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/ps6.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 7c085d451551fa473fcfd5042cc18772a43a12ab8154b83bfec7555781047d66 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:33:17,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:33:17,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:33:17,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:33:17,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:33:17,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:33:17,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:33:17,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:33:17,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:33:17,573 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:33:17,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:33:17,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:33:17,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:33:17,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:33:17,576 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:33:17,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:33:17,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:33:17,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:33:17,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:33:17,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:33:17,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:33:17,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:33:17,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:33:17,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:33:17,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:33:17,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:33:17,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:33:17,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:33:17,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:33:17,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:33:17,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:33:17,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:33:17,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:33:17,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:33:17,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:33:17,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:33:17,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:33:17,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:33:17,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:33:17,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:33:17,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:33:17,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:33:17,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:33:17,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:33:17,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c085d451551fa473fcfd5042cc18772a43a12ab8154b83bfec7555781047d66 [2024-11-09 11:33:17,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:33:17,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:33:17,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:33:17,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:33:17,906 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:33:17,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6.c [2024-11-09 11:33:19,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:33:19,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:33:19,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6.c [2024-11-09 11:33:19,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3571dedaa/80aadd97d8f549cb946843e972d344ca/FLAG8a60325dd [2024-11-09 11:33:19,959 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3571dedaa/80aadd97d8f549cb946843e972d344ca [2024-11-09 11:33:19,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:33:19,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:33:19,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:33:19,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:33:19,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:33:19,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:33:19" (1/1) ... [2024-11-09 11:33:19,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199c3d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:19, skipping insertion in model container [2024-11-09 11:33:19,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:33:19" (1/1) ... [2024-11-09 11:33:19,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:33:20,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:33:20,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:33:20,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:33:20,269 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:33:20,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20 WrapperNode [2024-11-09 11:33:20,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:33:20,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:33:20,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:33:20,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:33:20,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,327 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2024-11-09 11:33:20,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:33:20,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:33:20,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:33:20,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:33:20,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,361 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6]. The 0 writes are split as follows [0, 0]. [2024-11-09 11:33:20,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:33:20,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:33:20,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:33:20,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:33:20,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (1/1) ... [2024-11-09 11:33:20,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:33:20,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:20,429 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) [2024-11-09 11:33:20,435 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 [2024-11-09 11:33:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:33:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:33:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:33:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:33:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:33:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:33:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:33:20,548 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:33:20,551 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:33:21,074 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-09 11:33:21,075 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:33:21,100 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:33:21,100 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:33:21,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:33:21 BoogieIcfgContainer [2024-11-09 11:33:21,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:33:21,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:33:21,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:33:21,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:33:21,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:33:19" (1/3) ... [2024-11-09 11:33:21,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709747ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:33:21, skipping insertion in model container [2024-11-09 11:33:21,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:33:20" (2/3) ... [2024-11-09 11:33:21,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709747ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:33:21, skipping insertion in model container [2024-11-09 11:33:21,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:33:21" (3/3) ... [2024-11-09 11:33:21,112 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6.c [2024-11-09 11:33:21,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:33:21,129 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2024-11-09 11:33:21,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:33:21,209 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;@483d797c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:33:21,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-09 11:33:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 114 states have (on average 1.9298245614035088) internal successors, (220), 216 states have internal predecessors, (220), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:33:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:33:21,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:21,221 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:33:21,221 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:21,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:21,227 INFO L85 PathProgramCache]: Analyzing trace with hash 929637, now seen corresponding path program 1 times [2024-11-09 11:33:21,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:21,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026538093] [2024-11-09 11:33:21,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:21,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:21,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:21,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026538093] [2024-11-09 11:33:21,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026538093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:21,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:21,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:33:21,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649895402] [2024-11-09 11:33:21,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:21,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:33:21,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:21,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:33:21,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:33:21,448 INFO L87 Difference]: Start difference. First operand has 221 states, 114 states have (on average 1.9298245614035088) internal successors, (220), 216 states have internal predecessors, (220), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:21,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:21,479 INFO L93 Difference]: Finished difference Result 414 states and 452 transitions. [2024-11-09 11:33:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:33:21,482 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 11:33:21,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:21,491 INFO L225 Difference]: With dead ends: 414 [2024-11-09 11:33:21,491 INFO L226 Difference]: Without dead ends: 189 [2024-11-09 11:33:21,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:33:21,497 INFO L432 NwaCegarLoop]: 197 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, 197 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 [2024-11-09 11:33:21,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:33:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-09 11:33:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-09 11:33:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 109 states have (on average 1.7064220183486238) internal successors, (186), 185 states have internal predecessors, (186), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:33:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 190 transitions. [2024-11-09 11:33:21,550 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 190 transitions. Word has length 4 [2024-11-09 11:33:21,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:21,550 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 190 transitions. [2024-11-09 11:33:21,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 190 transitions. [2024-11-09 11:33:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:33:21,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:21,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:33:21,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:33:21,553 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:21,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:21,553 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-09 11:33:21,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:21,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206867985] [2024-11-09 11:33:21,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:21,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:21,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:21,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:21,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206867985] [2024-11-09 11:33:21,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206867985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:21,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:21,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:33:21,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274994494] [2024-11-09 11:33:21,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:21,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:33:21,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:21,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:33:21,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:33:21,621 INFO L87 Difference]: Start difference. First operand 189 states and 190 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:22,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:22,072 INFO L93 Difference]: Finished difference Result 350 states and 357 transitions. [2024-11-09 11:33:22,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:33:22,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 11:33:22,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:22,075 INFO L225 Difference]: With dead ends: 350 [2024-11-09 11:33:22,077 INFO L226 Difference]: Without dead ends: 286 [2024-11-09 11:33:22,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:33:22,079 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 98 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:22,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 124 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:33:22,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-09 11:33:22,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2024-11-09 11:33:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 199 states have (on average 1.4371859296482412) internal successors, (286), 275 states have internal predecessors, (286), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:33:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 292 transitions. [2024-11-09 11:33:22,103 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 292 transitions. Word has length 4 [2024-11-09 11:33:22,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:22,103 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 292 transitions. [2024-11-09 11:33:22,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:22,103 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 292 transitions. [2024-11-09 11:33:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:33:22,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:22,104 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:33:22,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:33:22,105 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:22,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:22,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1712619414, now seen corresponding path program 1 times [2024-11-09 11:33:22,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:22,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180351727] [2024-11-09 11:33:22,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:22,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:22,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:22,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180351727] [2024-11-09 11:33:22,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180351727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:22,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:22,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:33:22,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933375186] [2024-11-09 11:33:22,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:22,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:33:22,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:22,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:33:22,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:33:22,244 INFO L87 Difference]: Start difference. First operand 280 states and 292 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:22,301 INFO L93 Difference]: Finished difference Result 304 states and 310 transitions. [2024-11-09 11:33:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:33:22,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-09 11:33:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:22,304 INFO L225 Difference]: With dead ends: 304 [2024-11-09 11:33:22,304 INFO L226 Difference]: Without dead ends: 297 [2024-11-09 11:33:22,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:33:22,306 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 68 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:22,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 346 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:33:22,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-09 11:33:22,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 279. [2024-11-09 11:33:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 198 states have (on average 1.4090909090909092) internal successors, (279), 274 states have internal predecessors, (279), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:33:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 285 transitions. [2024-11-09 11:33:22,319 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 285 transitions. Word has length 42 [2024-11-09 11:33:22,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:22,320 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 285 transitions. [2024-11-09 11:33:22,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:22,320 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 285 transitions. [2024-11-09 11:33:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:33:22,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:22,321 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:33:22,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:33:22,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:22,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:22,322 INFO L85 PathProgramCache]: Analyzing trace with hash -854778612, now seen corresponding path program 1 times [2024-11-09 11:33:22,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:22,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534543731] [2024-11-09 11:33:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:22,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:22,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:22,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534543731] [2024-11-09 11:33:22,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534543731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:22,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:22,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:33:22,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259010857] [2024-11-09 11:33:22,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:22,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:33:22,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:22,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:33:22,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:22,501 INFO L87 Difference]: Start difference. First operand 279 states and 285 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:22,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:22,714 INFO L93 Difference]: Finished difference Result 299 states and 303 transitions. [2024-11-09 11:33:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:33:22,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-09 11:33:22,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:22,716 INFO L225 Difference]: With dead ends: 299 [2024-11-09 11:33:22,716 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 11:33:22,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:22,722 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 151 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:22,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 271 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:33:22,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 11:33:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2024-11-09 11:33:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 157 states have (on average 1.5031847133757963) internal successors, (236), 233 states have internal predecessors, (236), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:33:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 242 transitions. [2024-11-09 11:33:22,740 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 242 transitions. Word has length 44 [2024-11-09 11:33:22,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:22,741 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 242 transitions. [2024-11-09 11:33:22,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:33:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 242 transitions. [2024-11-09 11:33:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:33:22,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:22,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:33:22,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:33:22,743 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:22,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:22,744 INFO L85 PathProgramCache]: Analyzing trace with hash 319473741, now seen corresponding path program 1 times [2024-11-09 11:33:22,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:22,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300482505] [2024-11-09 11:33:22,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:22,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:22,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:33:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:22,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:22,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300482505] [2024-11-09 11:33:22,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300482505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:22,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:22,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:33:22,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356436286] [2024-11-09 11:33:22,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:22,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:33:22,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:22,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:33:22,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:33:22,856 INFO L87 Difference]: Start difference. First operand 238 states and 242 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:22,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:22,876 INFO L93 Difference]: Finished difference Result 240 states and 242 transitions. [2024-11-09 11:33:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:33:22,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-11-09 11:33:22,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:22,878 INFO L225 Difference]: With dead ends: 240 [2024-11-09 11:33:22,878 INFO L226 Difference]: Without dead ends: 238 [2024-11-09 11:33:22,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:33:22,880 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 1 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:22,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 370 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:33:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-09 11:33:22,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-09 11:33:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 157 states have (on average 1.4904458598726114) internal successors, (234), 233 states have internal predecessors, (234), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:33:22,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 240 transitions. [2024-11-09 11:33:22,902 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 240 transitions. Word has length 52 [2024-11-09 11:33:22,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:22,904 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 240 transitions. [2024-11-09 11:33:22,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 240 transitions. [2024-11-09 11:33:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:33:22,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:22,907 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:33:22,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:33:22,907 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:22,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:22,908 INFO L85 PathProgramCache]: Analyzing trace with hash 394667806, now seen corresponding path program 1 times [2024-11-09 11:33:22,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:22,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427673927] [2024-11-09 11:33:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:33:22,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851261653] [2024-11-09 11:33:22,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:22,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:22,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:22,945 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) [2024-11-09 11:33:22,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:33:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:23,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:33:23,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:33:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:23,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:33:23,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:23,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427673927] [2024-11-09 11:33:23,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:33:23,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851261653] [2024-11-09 11:33:23,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851261653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:23,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:23,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:33:23,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023800377] [2024-11-09 11:33:23,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:23,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:33:23,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:23,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:33:23,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:23,164 INFO L87 Difference]: Start difference. First operand 238 states and 240 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:23,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:23,620 INFO L93 Difference]: Finished difference Result 413 states and 425 transitions. [2024-11-09 11:33:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:33:23,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-09 11:33:23,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:23,623 INFO L225 Difference]: With dead ends: 413 [2024-11-09 11:33:23,623 INFO L226 Difference]: Without dead ends: 348 [2024-11-09 11:33:23,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:23,624 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 108 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:23,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 140 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:33:23,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-09 11:33:23,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 342. [2024-11-09 11:33:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 259 states have (on average 1.3513513513513513) internal successors, (350), 335 states have internal predecessors, (350), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:23,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 360 transitions. [2024-11-09 11:33:23,635 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 360 transitions. Word has length 57 [2024-11-09 11:33:23,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:23,635 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 360 transitions. [2024-11-09 11:33:23,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 360 transitions. [2024-11-09 11:33:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:33:23,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:23,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:33:23,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:33:23,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 11:33:23,838 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:23,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:23,838 INFO L85 PathProgramCache]: Analyzing trace with hash -106048999, now seen corresponding path program 1 times [2024-11-09 11:33:23,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:23,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889953440] [2024-11-09 11:33:23,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:23,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:33:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:23,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:23,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889953440] [2024-11-09 11:33:23,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889953440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:23,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:23,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:33:23,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977859647] [2024-11-09 11:33:23,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:23,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:33:23,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:23,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:33:23,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:23,960 INFO L87 Difference]: Start difference. First operand 342 states and 360 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:24,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:24,518 INFO L93 Difference]: Finished difference Result 343 states and 360 transitions. [2024-11-09 11:33:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:33:24,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2024-11-09 11:33:24,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:24,520 INFO L225 Difference]: With dead ends: 343 [2024-11-09 11:33:24,520 INFO L226 Difference]: Without dead ends: 342 [2024-11-09 11:33:24,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:24,521 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 54 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:24,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 319 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:33:24,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-09 11:33:24,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-09 11:33:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 259 states have (on average 1.3474903474903475) internal successors, (349), 335 states have internal predecessors, (349), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 359 transitions. [2024-11-09 11:33:24,530 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 359 transitions. Word has length 64 [2024-11-09 11:33:24,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:24,531 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 359 transitions. [2024-11-09 11:33:24,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 359 transitions. [2024-11-09 11:33:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:33:24,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:24,532 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:33:24,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:33:24,532 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:24,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:24,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1007448486, now seen corresponding path program 1 times [2024-11-09 11:33:24,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:24,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292690635] [2024-11-09 11:33:24,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:24,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:24,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:33:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:24,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:24,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292690635] [2024-11-09 11:33:24,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292690635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:24,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:33:24,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:33:24,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497376313] [2024-11-09 11:33:24,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:24,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:33:24,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:24,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:33:24,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:24,615 INFO L87 Difference]: Start difference. First operand 342 states and 359 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:24,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:24,698 INFO L93 Difference]: Finished difference Result 343 states and 359 transitions. [2024-11-09 11:33:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:33:24,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2024-11-09 11:33:24,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:24,700 INFO L225 Difference]: With dead ends: 343 [2024-11-09 11:33:24,700 INFO L226 Difference]: Without dead ends: 342 [2024-11-09 11:33:24,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:33:24,701 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 47 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:24,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 313 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:33:24,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-09 11:33:24,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-09 11:33:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 259 states have (on average 1.3436293436293436) internal successors, (348), 335 states have internal predecessors, (348), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 358 transitions. [2024-11-09 11:33:24,711 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 358 transitions. Word has length 65 [2024-11-09 11:33:24,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:24,711 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 358 transitions. [2024-11-09 11:33:24,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:24,712 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 358 transitions. [2024-11-09 11:33:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 11:33:24,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:24,713 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:33:24,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:33:24,713 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:24,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:24,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1257060942, now seen corresponding path program 1 times [2024-11-09 11:33:24,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:24,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844200677] [2024-11-09 11:33:24,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:24,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:33:24,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99529266] [2024-11-09 11:33:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:24,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:24,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:24,751 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) [2024-11-09 11:33:24,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:33:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:24,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:33:24,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:33:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:25,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:33:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:25,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:25,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844200677] [2024-11-09 11:33:25,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:33:25,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99529266] [2024-11-09 11:33:25,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99529266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:33:25,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:33:25,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 11:33:25,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659659190] [2024-11-09 11:33:25,364 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:33:25,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:33:25,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:25,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:33:25,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:33:25,366 INFO L87 Difference]: Start difference. First operand 342 states and 358 transitions. Second operand has 8 states, 7 states have (on average 28.857142857142858) internal successors, (202), 8 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:33:26,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:26,243 INFO L93 Difference]: Finished difference Result 366 states and 376 transitions. [2024-11-09 11:33:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:33:26,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.857142857142858) internal successors, (202), 8 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 105 [2024-11-09 11:33:26,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:26,246 INFO L225 Difference]: With dead ends: 366 [2024-11-09 11:33:26,247 INFO L226 Difference]: Without dead ends: 357 [2024-11-09 11:33:26,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:33:26,247 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 342 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:26,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 137 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:33:26,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-09 11:33:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 346. [2024-11-09 11:33:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 266 states have (on average 1.3120300751879699) internal successors, (349), 339 states have internal predecessors, (349), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 359 transitions. [2024-11-09 11:33:26,258 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 359 transitions. Word has length 105 [2024-11-09 11:33:26,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:26,259 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 359 transitions. [2024-11-09 11:33:26,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.857142857142858) internal successors, (202), 8 states have internal predecessors, (202), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:33:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 359 transitions. [2024-11-09 11:33:26,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:33:26,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:26,266 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:33:26,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:33:26,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-09 11:33:26,467 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:26,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:26,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1149758960, now seen corresponding path program 1 times [2024-11-09 11:33:26,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:26,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829606272] [2024-11-09 11:33:26,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:26,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:33:26,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804587458] [2024-11-09 11:33:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:26,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:26,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:26,489 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) [2024-11-09 11:33:26,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:33:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:26,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:33:26,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:33:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:33:26,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:33:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 11:33:27,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:27,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829606272] [2024-11-09 11:33:27,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:33:27,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804587458] [2024-11-09 11:33:27,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804587458] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 11:33:27,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:33:27,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 11:33:27,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480518995] [2024-11-09 11:33:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:27,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:33:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:27,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:33:27,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:33:27,202 INFO L87 Difference]: Start difference. First operand 346 states and 359 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:39,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:33:43,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:43,264 INFO L93 Difference]: Finished difference Result 346 states and 359 transitions. [2024-11-09 11:33:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:33:43,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 107 [2024-11-09 11:33:43,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:43,266 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:33:43,266 INFO L226 Difference]: Without dead ends: 344 [2024-11-09 11:33:43,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:33:43,267 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 95 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:43,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 35 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 409 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2024-11-09 11:33:43,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-09 11:33:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2024-11-09 11:33:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 266 states have (on average 1.2969924812030076) internal successors, (345), 337 states have internal predecessors, (345), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 355 transitions. [2024-11-09 11:33:43,279 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 355 transitions. Word has length 107 [2024-11-09 11:33:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:43,279 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 355 transitions. [2024-11-09 11:33:43,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:33:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 355 transitions. [2024-11-09 11:33:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 11:33:43,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:43,281 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:33:43,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:33:43,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:43,482 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:43,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:43,483 INFO L85 PathProgramCache]: Analyzing trace with hash 396916017, now seen corresponding path program 1 times [2024-11-09 11:33:43,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:43,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408254445] [2024-11-09 11:33:43,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:43,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:33:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:33:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:33:43,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:43,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408254445] [2024-11-09 11:33:43,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408254445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:33:43,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843701922] [2024-11-09 11:33:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:43,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:43,614 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) [2024-11-09 11:33:43,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:33:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:43,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:33:43,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:33:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:33:43,819 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:33:43,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843701922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:33:43,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:33:43,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:33:43,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431832808] [2024-11-09 11:33:43,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:33:43,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:33:43,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:43,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:33:43,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:33:43,821 INFO L87 Difference]: Start difference. First operand 344 states and 355 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:33:43,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:43,844 INFO L93 Difference]: Finished difference Result 344 states and 355 transitions. [2024-11-09 11:33:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:33:43,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 115 [2024-11-09 11:33:43,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:43,847 INFO L225 Difference]: With dead ends: 344 [2024-11-09 11:33:43,847 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 11:33:43,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:33:43,848 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 77 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:43,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 352 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:33:43,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 11:33:43,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-09 11:33:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 266 states have (on average 1.2894736842105263) internal successors, (343), 336 states have internal predecessors, (343), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 353 transitions. [2024-11-09 11:33:43,860 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 353 transitions. Word has length 115 [2024-11-09 11:33:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:43,860 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 353 transitions. [2024-11-09 11:33:43,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:33:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 353 transitions. [2024-11-09 11:33:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-09 11:33:43,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:43,862 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:33:43,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:33:44,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:44,065 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:44,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:44,065 INFO L85 PathProgramCache]: Analyzing trace with hash -580505226, now seen corresponding path program 1 times [2024-11-09 11:33:44,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:44,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187362522] [2024-11-09 11:33:44,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:44,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:44,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:33:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:44,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-09 11:33:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:33:44,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:44,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187362522] [2024-11-09 11:33:44,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187362522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:33:44,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851509403] [2024-11-09 11:33:44,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:44,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:44,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:44,216 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) [2024-11-09 11:33:44,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:33:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:44,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:33:44,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:33:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:33:44,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:33:44,523 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:33:44,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851509403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:33:44,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:33:44,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:33:44,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966328590] [2024-11-09 11:33:44,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:33:44,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:33:44,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:44,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:33:44,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:33:44,527 INFO L87 Difference]: Start difference. First operand 343 states and 353 transitions. Second operand has 7 states, 6 states have (on average 43.5) internal successors, (261), 7 states have internal predecessors, (261), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:44,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:44,579 INFO L93 Difference]: Finished difference Result 525 states and 537 transitions. [2024-11-09 11:33:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:33:44,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 43.5) internal successors, (261), 7 states have internal predecessors, (261), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 116 [2024-11-09 11:33:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:44,583 INFO L225 Difference]: With dead ends: 525 [2024-11-09 11:33:44,583 INFO L226 Difference]: Without dead ends: 524 [2024-11-09 11:33:44,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:33:44,585 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 84 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:44,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 767 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:33:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-09 11:33:44,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 452. [2024-11-09 11:33:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 373 states have (on average 1.3941018766756033) internal successors, (520), 443 states have internal predecessors, (520), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 11:33:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 534 transitions. [2024-11-09 11:33:44,602 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 534 transitions. Word has length 116 [2024-11-09 11:33:44,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:44,602 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 534 transitions. [2024-11-09 11:33:44,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 43.5) internal successors, (261), 7 states have internal predecessors, (261), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:33:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 534 transitions. [2024-11-09 11:33:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 11:33:44,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:44,604 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:33:44,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:33:44,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:33:44,805 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:44,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:44,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1940187322, now seen corresponding path program 1 times [2024-11-09 11:33:44,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:44,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575009805] [2024-11-09 11:33:44,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:44,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:33:44,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604216300] [2024-11-09 11:33:44,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:44,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:44,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:44,836 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) [2024-11-09 11:33:44,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:33:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:44,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:33:44,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:33:45,029 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:33:45,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:33:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:33:45,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:45,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575009805] [2024-11-09 11:33:45,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:33:45,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604216300] [2024-11-09 11:33:45,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604216300] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:33:45,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:33:45,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 11:33:45,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567323932] [2024-11-09 11:33:45,243 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:33:45,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:33:45,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:45,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:33:45,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:33:45,250 INFO L87 Difference]: Start difference. First operand 452 states and 534 transitions. Second operand has 8 states, 7 states have (on average 31.714285714285715) internal successors, (222), 8 states have internal predecessors, (222), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:33:45,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:33:45,965 INFO L93 Difference]: Finished difference Result 544 states and 613 transitions. [2024-11-09 11:33:45,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:33:45,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.714285714285715) internal successors, (222), 8 states have internal predecessors, (222), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 120 [2024-11-09 11:33:45,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:33:45,967 INFO L225 Difference]: With dead ends: 544 [2024-11-09 11:33:45,967 INFO L226 Difference]: Without dead ends: 479 [2024-11-09 11:33:45,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:33:45,968 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 456 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:33:45,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 126 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:33:45,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-09 11:33:45,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 466. [2024-11-09 11:33:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 406 states have (on average 1.2142857142857142) internal successors, (493), 458 states have internal predecessors, (493), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:33:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 505 transitions. [2024-11-09 11:33:45,985 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 505 transitions. Word has length 120 [2024-11-09 11:33:45,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:33:45,985 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 505 transitions. [2024-11-09 11:33:45,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.714285714285715) internal successors, (222), 8 states have internal predecessors, (222), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:33:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 505 transitions. [2024-11-09 11:33:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 11:33:45,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:33:45,987 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:33:46,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:33:46,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:46,188 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:33:46,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:33:46,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1953638590, now seen corresponding path program 1 times [2024-11-09 11:33:46,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:33:46,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181980046] [2024-11-09 11:33:46,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:46,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:33:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:33:46,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1017767754] [2024-11-09 11:33:46,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:33:46,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:33:46,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:33:46,209 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) [2024-11-09 11:33:46,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:33:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:33:46,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:33:46,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:33:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:33:46,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:33:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:33:48,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:33:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181980046] [2024-11-09 11:33:48,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:33:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017767754] [2024-11-09 11:33:48,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017767754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:33:48,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:33:48,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2024-11-09 11:33:48,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796871429] [2024-11-09 11:33:48,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:33:48,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:33:48,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:33:48,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:33:48,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:33:48,153 INFO L87 Difference]: Start difference. First operand 466 states and 505 transitions. Second operand has 14 states, 13 states have (on average 18.692307692307693) internal successors, (243), 14 states have internal predecessors, (243), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:33:54,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:33:58,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:02,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:06,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:10,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:14,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:19,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:23,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:30,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:35,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:39,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:44,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:48,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 11:34:50,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:34:50,208 INFO L93 Difference]: Finished difference Result 473 states and 512 transitions. [2024-11-09 11:34:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:34:50,209 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.692307692307693) internal successors, (243), 14 states have internal predecessors, (243), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 128 [2024-11-09 11:34:50,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:34:50,211 INFO L225 Difference]: With dead ends: 473 [2024-11-09 11:34:50,211 INFO L226 Difference]: Without dead ends: 472 [2024-11-09 11:34:50,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:34:50,212 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 389 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 39 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:34:50,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 95 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1383 Invalid, 11 Unknown, 0 Unchecked, 61.9s Time] [2024-11-09 11:34:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-09 11:34:50,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 465. [2024-11-09 11:34:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 406 states have (on average 1.206896551724138) internal successors, (490), 457 states have internal predecessors, (490), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:34:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 502 transitions. [2024-11-09 11:34:50,234 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 502 transitions. Word has length 128 [2024-11-09 11:34:50,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:34:50,234 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 502 transitions. [2024-11-09 11:34:50,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.692307692307693) internal successors, (243), 14 states have internal predecessors, (243), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:34:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 502 transitions. [2024-11-09 11:34:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-09 11:34:50,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:34:50,236 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:34:50,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:34:50,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:34:50,441 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:34:50,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:34:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1322579445, now seen corresponding path program 1 times [2024-11-09 11:34:50,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:34:50,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955557954] [2024-11-09 11:34:50,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:34:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:34:50,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455756901] [2024-11-09 11:34:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:50,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:34:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:34:50,467 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) [2024-11-09 11:34:50,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:34:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:34:50,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:34:50,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:34:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:34:50,906 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:34:51,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:34:51,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955557954] [2024-11-09 11:34:51,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:34:51,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455756901] [2024-11-09 11:34:51,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455756901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:34:51,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:34:51,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:34:51,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935013405] [2024-11-09 11:34:51,180 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:34:51,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:34:51,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:34:51,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:34:51,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:34:51,181 INFO L87 Difference]: Start difference. First operand 465 states and 502 transitions. Second operand has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:34:51,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:34:51,539 INFO L93 Difference]: Finished difference Result 465 states and 502 transitions. [2024-11-09 11:34:51,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:34:51,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 162 [2024-11-09 11:34:51,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:34:51,543 INFO L225 Difference]: With dead ends: 465 [2024-11-09 11:34:51,544 INFO L226 Difference]: Without dead ends: 452 [2024-11-09 11:34:51,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:34:51,547 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 22 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:34:51,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 51 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:34:51,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-09 11:34:51,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2024-11-09 11:34:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 406 states have (on average 1.1576354679802956) internal successors, (470), 444 states have internal predecessors, (470), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:34:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 482 transitions. [2024-11-09 11:34:51,567 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 482 transitions. Word has length 162 [2024-11-09 11:34:51,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:34:51,567 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 482 transitions. [2024-11-09 11:34:51,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 11:34:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 482 transitions. [2024-11-09 11:34:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-09 11:34:51,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:34:51,569 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:34:51,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:34:51,770 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 [2024-11-09 11:34:51,770 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:34:51,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:34:51,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1949709914, now seen corresponding path program 1 times [2024-11-09 11:34:51,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:34:51,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834596534] [2024-11-09 11:34:51,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:51,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:34:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:34:51,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [896358450] [2024-11-09 11:34:51,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:51,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:34:51,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:34:51,801 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) [2024-11-09 11:34:51,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:34:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:34:51,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:34:51,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:34:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:34:52,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:34:52,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:34:52,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834596534] [2024-11-09 11:34:52,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:34:52,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896358450] [2024-11-09 11:34:52,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896358450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:34:52,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:34:52,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:34:52,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088466039] [2024-11-09 11:34:52,750 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:34:52,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:34:52,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:34:52,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:34:52,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:34:52,751 INFO L87 Difference]: Start difference. First operand 452 states and 482 transitions. Second operand has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:34:53,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:34:53,103 INFO L93 Difference]: Finished difference Result 456 states and 486 transitions. [2024-11-09 11:34:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:34:53,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 163 [2024-11-09 11:34:53,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:34:53,105 INFO L225 Difference]: With dead ends: 456 [2024-11-09 11:34:53,105 INFO L226 Difference]: Without dead ends: 410 [2024-11-09 11:34:53,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:34:53,106 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:34:53,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 105 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:34:53,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-09 11:34:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-09 11:34:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 364 states have (on average 1.1730769230769231) internal successors, (427), 402 states have internal predecessors, (427), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:34:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 439 transitions. [2024-11-09 11:34:53,124 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 439 transitions. Word has length 163 [2024-11-09 11:34:53,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:34:53,125 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 439 transitions. [2024-11-09 11:34:53,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:34:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 439 transitions. [2024-11-09 11:34:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 11:34:53,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:34:53,126 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2024-11-09 11:34:53,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:34:53,330 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 [2024-11-09 11:34:53,331 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:34:53,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:34:53,331 INFO L85 PathProgramCache]: Analyzing trace with hash -671438385, now seen corresponding path program 1 times [2024-11-09 11:34:53,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:34:53,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656160510] [2024-11-09 11:34:53,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:53,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:34:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:34:53,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786301302] [2024-11-09 11:34:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:53,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:34:53,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:34:53,367 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) [2024-11-09 11:34:53,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:34:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:34:53,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:34:53,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:34:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:34:53,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:34:54,156 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:34:54,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:34:54,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656160510] [2024-11-09 11:34:54,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:34:54,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786301302] [2024-11-09 11:34:54,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786301302] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:34:54,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:34:54,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 11:34:54,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916670975] [2024-11-09 11:34:54,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:34:54,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:34:54,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:34:54,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:34:54,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:34:54,159 INFO L87 Difference]: Start difference. First operand 410 states and 439 transitions. Second operand has 12 states, 11 states have (on average 29.09090909090909) internal successors, (320), 12 states have internal predecessors, (320), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:34:55,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:34:55,684 INFO L93 Difference]: Finished difference Result 536 states and 585 transitions. [2024-11-09 11:34:55,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:34:55,685 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 29.09090909090909) internal successors, (320), 12 states have internal predecessors, (320), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 169 [2024-11-09 11:34:55,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:34:55,687 INFO L225 Difference]: With dead ends: 536 [2024-11-09 11:34:55,687 INFO L226 Difference]: Without dead ends: 530 [2024-11-09 11:34:55,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:34:55,687 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 483 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 1576 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:34:55,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 203 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1576 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 11:34:55,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-09 11:34:55,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 460. [2024-11-09 11:34:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 417 states have (on average 1.1726618705035972) internal successors, (489), 452 states have internal predecessors, (489), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:34:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 501 transitions. [2024-11-09 11:34:55,708 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 501 transitions. Word has length 169 [2024-11-09 11:34:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:34:55,708 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 501 transitions. [2024-11-09 11:34:55,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 29.09090909090909) internal successors, (320), 12 states have internal predecessors, (320), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:34:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 501 transitions. [2024-11-09 11:34:55,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-09 11:34:55,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:34:55,710 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:34:55,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:34:55,911 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 [2024-11-09 11:34:55,911 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:34:55,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:34:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -958560030, now seen corresponding path program 1 times [2024-11-09 11:34:55,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:34:55,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522230005] [2024-11-09 11:34:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:55,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:34:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:34:55,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028576063] [2024-11-09 11:34:55,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:55,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:34:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:34:55,942 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) [2024-11-09 11:34:55,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:34:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:34:56,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:34:56,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:34:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:34:56,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:34:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:34:56,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:34:56,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522230005] [2024-11-09 11:34:56,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:34:56,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028576063] [2024-11-09 11:34:56,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028576063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:34:56,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:34:56,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:34:56,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898017780] [2024-11-09 11:34:56,561 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:34:56,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:34:56,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:34:56,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:34:56,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:34:56,563 INFO L87 Difference]: Start difference. First operand 460 states and 501 transitions. Second operand has 10 states, 9 states have (on average 38.44444444444444) internal successors, (346), 10 states have internal predecessors, (346), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:34:57,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:34:57,278 INFO L93 Difference]: Finished difference Result 531 states and 571 transitions. [2024-11-09 11:34:57,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:34:57,279 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 38.44444444444444) internal successors, (346), 10 states have internal predecessors, (346), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 187 [2024-11-09 11:34:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:34:57,281 INFO L225 Difference]: With dead ends: 531 [2024-11-09 11:34:57,281 INFO L226 Difference]: Without dead ends: 499 [2024-11-09 11:34:57,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:34:57,282 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 570 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:34:57,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 197 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:34:57,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-09 11:34:57,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 446. [2024-11-09 11:34:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 417 states have (on average 1.0815347721822541) internal successors, (451), 438 states have internal predecessors, (451), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:34:57,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 463 transitions. [2024-11-09 11:34:57,301 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 463 transitions. Word has length 187 [2024-11-09 11:34:57,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:34:57,302 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 463 transitions. [2024-11-09 11:34:57,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 38.44444444444444) internal successors, (346), 10 states have internal predecessors, (346), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:34:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 463 transitions. [2024-11-09 11:34:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-09 11:34:57,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:34:57,304 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:34:57,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:34:57,505 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 [2024-11-09 11:34:57,505 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-09 11:34:57,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:34:57,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1686366274, now seen corresponding path program 2 times [2024-11-09 11:34:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:34:57,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581663437] [2024-11-09 11:34:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:34:57,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:34:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:34:57,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41893717] [2024-11-09 11:34:57,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:34:57,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:34:57,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:34:57,533 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) [2024-11-09 11:34:57,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:34:57,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:34:57,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:34:57,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 11:34:57,619 INFO L278 TraceCheckSpWp]: Computing forward predicates...