./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:11:06,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:11:07,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:11:07,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:11:07,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:11:07,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:11:07,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:11:07,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:11:07,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:11:07,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:11:07,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:11:07,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:11:07,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:11:07,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:11:07,032 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:11:07,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:11:07,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:11:07,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:11:07,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:11:07,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:11:07,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:11:07,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:11:07,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:11:07,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:11:07,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:11:07,041 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:11:07,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:11:07,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:11:07,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:11:07,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:11:07,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:11:07,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:11:07,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:11:07,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:11:07,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:11:07,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:11:07,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:11:07,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:11:07,043 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:11:07,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:11:07,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:11:07,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:11:07,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:11:07,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:11:07,046 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 [2024-10-11 21:11:07,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:11:07,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:11:07,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:11:07,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:11:07,305 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:11:07,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-10-11 21:11:08,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:11:08,880 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:11:08,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-10-11 21:11:08,887 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3629eff4a/14e0f6999eb6490ea67d6241ec190832/FLAG9aefe6040 [2024-10-11 21:11:08,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3629eff4a/14e0f6999eb6490ea67d6241ec190832 [2024-10-11 21:11:08,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:11:08,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:11:08,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:11:08,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:11:08,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:11:08,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:11:08" (1/1) ... [2024-10-11 21:11:08,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5faf1a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:08, skipping insertion in model container [2024-10-11 21:11:08,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:11:08" (1/1) ... [2024-10-11 21:11:08,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:11:09,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:11:09,160 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:11:09,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:11:09,200 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:11:09,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09 WrapperNode [2024-10-11 21:11:09,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:11:09,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:11:09,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:11:09,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:11:09,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,247 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-10-11 21:11:09,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:11:09,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:11:09,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:11:09,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:11:09,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,284 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 21:11:09,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:11:09,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:11:09,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:11:09,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:11:09,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (1/1) ... [2024-10-11 21:11:09,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:11:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:09,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:11:09,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:11:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:11:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:11:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:11:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:11:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 21:11:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 21:11:09,425 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:11:09,427 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:11:09,797 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-10-11 21:11:09,798 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:11:09,839 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:11:09,839 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 21:11:09,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:09 BoogieIcfgContainer [2024-10-11 21:11:09,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:11:09,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:11:09,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:11:09,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:11:09,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:11:08" (1/3) ... [2024-10-11 21:11:09,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67bfbcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:11:09, skipping insertion in model container [2024-10-11 21:11:09,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:11:09" (2/3) ... [2024-10-11 21:11:09,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67bfbcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:11:09, skipping insertion in model container [2024-10-11 21:11:09,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:09" (3/3) ... [2024-10-11 21:11:09,849 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound100.c [2024-10-11 21:11:09,865 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:11:09,865 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-10-11 21:11:09,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:11:09,942 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;@15919440, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:11:09,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-10-11 21:11:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 60 states have (on average 1.9333333333333333) internal successors, (116), 112 states have internal predecessors, (116), 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) [2024-10-11 21:11:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-11 21:11:09,954 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:09,955 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-11 21:11:09,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:09,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:09,959 INFO L85 PathProgramCache]: Analyzing trace with hash 187138, now seen corresponding path program 1 times [2024-10-11 21:11:09,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:09,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681068844] [2024-10-11 21:11:09,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:09,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:11:10,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:10,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681068844] [2024-10-11 21:11:10,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681068844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:10,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:10,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:10,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835248104] [2024-10-11 21:11:10,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:10,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 21:11:10,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:10,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 21:11:10,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 21:11:10,142 INFO L87 Difference]: Start difference. First operand has 120 states, 60 states have (on average 1.9333333333333333) internal successors, (116), 112 states have internal predecessors, (116), 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) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-10-11 21:11:10,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:10,189 INFO L93 Difference]: Finished difference Result 235 states and 261 transitions. [2024-10-11 21:11:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 21:11:10,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-11 21:11:10,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:10,199 INFO L225 Difference]: With dead ends: 235 [2024-10-11 21:11:10,199 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 21:11:10,203 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 [2024-10-11 21:11:10,207 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:10,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:10,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 21:11:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-11 21:11:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 59 states have (on average 1.8305084745762712) internal successors, (108), 106 states have internal predecessors, (108), 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) [2024-10-11 21:11:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-10-11 21:11:10,268 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 3 [2024-10-11 21:11:10,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:10,269 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-10-11 21:11:10,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-10-11 21:11:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-10-11 21:11:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-11 21:11:10,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:10,270 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-11 21:11:10,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:11:10,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:10,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:10,272 INFO L85 PathProgramCache]: Analyzing trace with hash 184737, now seen corresponding path program 1 times [2024-10-11 21:11:10,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:10,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687230875] [2024-10-11 21:11:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:10,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:11:10,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:10,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687230875] [2024-10-11 21:11:10,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687230875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:10,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:10,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:10,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722519218] [2024-10-11 21:11:10,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:10,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:10,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:10,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:10,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:10,377 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-11 21:11:10,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:10,428 INFO L93 Difference]: Finished difference Result 167 states and 173 transitions. [2024-10-11 21:11:10,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:11:10,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-11 21:11:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:10,430 INFO L225 Difference]: With dead ends: 167 [2024-10-11 21:11:10,431 INFO L226 Difference]: Without dead ends: 117 [2024-10-11 21:11:10,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:11:10,432 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 4 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:10,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 337 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:10,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-11 21:11:10,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-11 21:11:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 63 states have (on average 1.7777777777777777) internal successors, (112), 110 states have internal predecessors, (112), 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) [2024-10-11 21:11:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-10-11 21:11:10,447 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 3 [2024-10-11 21:11:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:10,448 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-10-11 21:11:10,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-11 21:11:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-10-11 21:11:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 21:11:10,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:10,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 21:11:10,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:11:10,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:10,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:10,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1208573546, now seen corresponding path program 1 times [2024-10-11 21:11:10,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:10,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636333305] [2024-10-11 21:11:10,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:10,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:11:10,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:10,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636333305] [2024-10-11 21:11:10,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636333305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:10,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:10,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 21:11:10,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234347132] [2024-10-11 21:11:10,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:10,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:10,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:10,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:10,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:10,512 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:11:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:10,666 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-10-11 21:11:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:10,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 21:11:10,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:10,669 INFO L225 Difference]: With dead ends: 211 [2024-10-11 21:11:10,669 INFO L226 Difference]: Without dead ends: 191 [2024-10-11 21:11:10,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:10,673 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 68 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:10,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 179 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:10,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-11 21:11:10,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-10-11 21:11:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 98 states have (on average 1.6224489795918366) internal successors, (159), 145 states have internal predecessors, (159), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-11 21:11:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-10-11 21:11:10,693 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 6 [2024-10-11 21:11:10,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:10,693 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-10-11 21:11:10,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:11:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-10-11 21:11:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 21:11:10,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:10,695 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:10,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 21:11:10,696 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:10,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:10,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1948900906, now seen corresponding path program 1 times [2024-10-11 21:11:10,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:10,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505025998] [2024-10-11 21:11:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:10,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:10,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178190985] [2024-10-11 21:11:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:10,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:10,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:11:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:10,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:11:10,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:10,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:10,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:10,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505025998] [2024-10-11 21:11:10,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:10,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178190985] [2024-10-11 21:11:10,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178190985] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:10,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:10,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:10,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153486159] [2024-10-11 21:11:10,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:10,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:10,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:10,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:10,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:10,857 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:10,993 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-10-11 21:11:10,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:10,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-11 21:11:10,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:10,995 INFO L225 Difference]: With dead ends: 183 [2024-10-11 21:11:10,995 INFO L226 Difference]: Without dead ends: 175 [2024-10-11 21:11:10,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:10,997 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 41 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:11,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 176 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:11,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-11 21:11:11,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-10-11 21:11:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 108 states have (on average 1.5740740740740742) internal successors, (170), 155 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-10-11 21:11:11,021 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 27 [2024-10-11 21:11:11,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:11,022 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-10-11 21:11:11,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-10-11 21:11:11,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-11 21:11:11,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:11,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:11,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:11,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:11,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:11,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:11,228 INFO L85 PathProgramCache]: Analyzing trace with hash 286386016, now seen corresponding path program 1 times [2024-10-11 21:11:11,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:11,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057480925] [2024-10-11 21:11:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:11,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:11,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:11,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057480925] [2024-10-11 21:11:11,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057480925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:11,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:11,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:11,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999815185] [2024-10-11 21:11:11,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:11,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:11,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:11,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:11,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:11,346 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:11,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:11,442 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-10-11 21:11:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:11,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-10-11 21:11:11,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:11,443 INFO L225 Difference]: With dead ends: 183 [2024-10-11 21:11:11,443 INFO L226 Difference]: Without dead ends: 173 [2024-10-11 21:11:11,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:11,445 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 38 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:11,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 170 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:11,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-11 21:11:11,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-10-11 21:11:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 111 states have (on average 1.4954954954954955) internal successors, (166), 158 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-10-11 21:11:11,455 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 28 [2024-10-11 21:11:11,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:11,456 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-10-11 21:11:11,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-10-11 21:11:11,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-11 21:11:11,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:11,457 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:11,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 21:11:11,458 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:11,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:11,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1920828334, now seen corresponding path program 1 times [2024-10-11 21:11:11,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:11,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287522616] [2024-10-11 21:11:11,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:11,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:11,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:11,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287522616] [2024-10-11 21:11:11,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287522616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:11,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:11,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:11:11,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114490965] [2024-10-11 21:11:11,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:11,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:11,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:11,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:11,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:11,576 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:11,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:11,683 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-10-11 21:11:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:11,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-10-11 21:11:11,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:11,685 INFO L225 Difference]: With dead ends: 175 [2024-10-11 21:11:11,685 INFO L226 Difference]: Without dead ends: 173 [2024-10-11 21:11:11,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:11,687 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:11,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 185 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:11,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-11 21:11:11,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-10-11 21:11:11,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 111 states have (on average 1.4774774774774775) internal successors, (164), 158 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-10-11 21:11:11,718 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 31 [2024-10-11 21:11:11,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:11,720 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-10-11 21:11:11,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-10-11 21:11:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-11 21:11:11,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:11,723 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:11,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 21:11:11,723 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:11,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:11,724 INFO L85 PathProgramCache]: Analyzing trace with hash 733907250, now seen corresponding path program 1 times [2024-10-11 21:11:11,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:11,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490789569] [2024-10-11 21:11:11,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:11,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:11:11,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:11,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490789569] [2024-10-11 21:11:11,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490789569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:11,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:11,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 21:11:11,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951372563] [2024-10-11 21:11:11,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:11,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:11:11,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:11,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:11:11,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:11,892 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:12,016 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-10-11 21:11:12,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:11:12,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-10-11 21:11:12,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:12,018 INFO L225 Difference]: With dead ends: 175 [2024-10-11 21:11:12,019 INFO L226 Difference]: Without dead ends: 147 [2024-10-11 21:11:12,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 21:11:12,020 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 29 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:12,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 161 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:12,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-11 21:11:12,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-11 21:11:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 137 states have internal predecessors, (139), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-10-11 21:11:12,029 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 35 [2024-10-11 21:11:12,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:12,029 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-10-11 21:11:12,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 21:11:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-10-11 21:11:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 21:11:12,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:12,031 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:12,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 21:11:12,031 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:12,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:12,032 INFO L85 PathProgramCache]: Analyzing trace with hash -132779018, now seen corresponding path program 1 times [2024-10-11 21:11:12,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:12,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858600271] [2024-10-11 21:11:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:12,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:12,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:12,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858600271] [2024-10-11 21:11:12,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858600271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:12,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:12,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:11:12,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484762552] [2024-10-11 21:11:12,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:12,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:12,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:12,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:12,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:12,187 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:12,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:12,307 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-10-11 21:11:12,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:12,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-11 21:11:12,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:12,309 INFO L225 Difference]: With dead ends: 150 [2024-10-11 21:11:12,309 INFO L226 Difference]: Without dead ends: 149 [2024-10-11 21:11:12,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:12,310 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:12,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 220 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:12,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-11 21:11:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-10-11 21:11:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 91 states have (on average 1.5384615384615385) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-10-11 21:11:12,324 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 48 [2024-10-11 21:11:12,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:12,324 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-10-11 21:11:12,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-10-11 21:11:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 21:11:12,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:12,326 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:12,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 21:11:12,327 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:12,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:12,330 INFO L85 PathProgramCache]: Analyzing trace with hash 178817848, now seen corresponding path program 1 times [2024-10-11 21:11:12,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:12,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122111826] [2024-10-11 21:11:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:12,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:12,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:12,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122111826] [2024-10-11 21:11:12,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122111826] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:12,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:12,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 21:11:12,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640466612] [2024-10-11 21:11:12,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:12,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:12,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:12,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:12,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:12,420 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:12,502 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-10-11 21:11:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-10-11 21:11:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:12,504 INFO L225 Difference]: With dead ends: 150 [2024-10-11 21:11:12,504 INFO L226 Difference]: Without dead ends: 149 [2024-10-11 21:11:12,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 21:11:12,505 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:12,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-11 21:11:12,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-10-11 21:11:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 139 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:12,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-10-11 21:11:12,514 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 49 [2024-10-11 21:11:12,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:12,515 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-10-11 21:11:12,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:12,515 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-10-11 21:11:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 21:11:12,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:12,518 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:12,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 21:11:12,518 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:12,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:12,519 INFO L85 PathProgramCache]: Analyzing trace with hash 45261274, now seen corresponding path program 1 times [2024-10-11 21:11:12,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:12,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254356866] [2024-10-11 21:11:12,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:12,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:12,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254356866] [2024-10-11 21:11:12,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254356866] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:12,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342006479] [2024-10-11 21:11:12,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:12,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:12,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:12,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:11:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:12,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:11:12,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:12,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:12,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342006479] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:12,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:12,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:11:12,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628410593] [2024-10-11 21:11:12,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:12,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:11:12,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:12,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:11:12,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:12,853 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:12,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:12,882 INFO L93 Difference]: Finished difference Result 149 states and 157 transitions. [2024-10-11 21:11:12,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:12,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-10-11 21:11:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:12,885 INFO L225 Difference]: With dead ends: 149 [2024-10-11 21:11:12,885 INFO L226 Difference]: Without dead ends: 148 [2024-10-11 21:11:12,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:11:12,886 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 79 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:12,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 220 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:12,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-11 21:11:12,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-10-11 21:11:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-11 21:11:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-10-11 21:11:12,908 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 51 [2024-10-11 21:11:12,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:12,909 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-10-11 21:11:12,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-10-11 21:11:12,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 21:11:12,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:12,910 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:12,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:13,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:13,111 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:13,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:13,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1403099535, now seen corresponding path program 1 times [2024-10-11 21:11:13,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:13,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755182896] [2024-10-11 21:11:13,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:13,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,223 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:13,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:13,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755182896] [2024-10-11 21:11:13,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755182896] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:13,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247666386] [2024-10-11 21:11:13,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:13,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:13,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:13,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:13,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:11:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 21:11:13,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:13,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247666386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:13,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:13,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-11 21:11:13,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030669496] [2024-10-11 21:11:13,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:13,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 21:11:13,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:13,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 21:11:13,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:13,373 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:13,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:13,428 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2024-10-11 21:11:13,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:11:13,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-10-11 21:11:13,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:13,430 INFO L225 Difference]: With dead ends: 196 [2024-10-11 21:11:13,430 INFO L226 Difference]: Without dead ends: 195 [2024-10-11 21:11:13,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:13,431 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 76 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:13,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 503 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:11:13,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-10-11 21:11:13,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-10-11 21:11:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 105 states have (on average 1.5333333333333334) internal successors, (161), 151 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 181 transitions. [2024-10-11 21:11:13,441 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 181 transitions. Word has length 52 [2024-10-11 21:11:13,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:13,442 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 181 transitions. [2024-10-11 21:11:13,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 181 transitions. [2024-10-11 21:11:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 21:11:13,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:13,443 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:13,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 21:11:13,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:13,644 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:13,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:13,644 INFO L85 PathProgramCache]: Analyzing trace with hash -241076335, now seen corresponding path program 1 times [2024-10-11 21:11:13,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:13,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429108978] [2024-10-11 21:11:13,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:13,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:13,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:13,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429108978] [2024-10-11 21:11:13,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429108978] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:13,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240865874] [2024-10-11 21:11:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:13,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:13,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:13,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:13,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 21:11:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:13,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:11:13,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:13,823 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:13,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240865874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:13,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:13,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-11 21:11:13,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206487397] [2024-10-11 21:11:13,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:13,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 21:11:13,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:13,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 21:11:13,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:11:13,824 INFO L87 Difference]: Start difference. First operand 163 states and 181 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:13,909 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2024-10-11 21:11:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 21:11:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2024-10-11 21:11:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:13,912 INFO L225 Difference]: With dead ends: 163 [2024-10-11 21:11:13,912 INFO L226 Difference]: Without dead ends: 154 [2024-10-11 21:11:13,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 21:11:13,914 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:13,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 135 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:13,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-11 21:11:13,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-11 21:11:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 142 states have internal predecessors, (148), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 168 transitions. [2024-10-11 21:11:13,924 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 168 transitions. Word has length 54 [2024-10-11 21:11:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:13,924 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 168 transitions. [2024-10-11 21:11:13,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-11 21:11:13,924 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2024-10-11 21:11:13,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 21:11:13,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:13,926 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:13,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 21:11:14,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 21:11:14,127 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:14,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:14,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1116568257, now seen corresponding path program 1 times [2024-10-11 21:11:14,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:14,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709459201] [2024-10-11 21:11:14,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:14,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:14,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:14,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:14,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709459201] [2024-10-11 21:11:14,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709459201] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519376595] [2024-10-11 21:11:14,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:14,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:14,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:14,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:14,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 21:11:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:14,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:11:14,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:14,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 21:11:14,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519376595] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:14,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:14,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-11 21:11:14,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329731308] [2024-10-11 21:11:14,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:14,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:11:14,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:14,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:11:14,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:14,384 INFO L87 Difference]: Start difference. First operand 154 states and 168 transitions. Second operand has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 21:11:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:14,551 INFO L93 Difference]: Finished difference Result 278 states and 329 transitions. [2024-10-11 21:11:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:14,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2024-10-11 21:11:14,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:14,554 INFO L225 Difference]: With dead ends: 278 [2024-10-11 21:11:14,554 INFO L226 Difference]: Without dead ends: 269 [2024-10-11 21:11:14,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:14,555 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 284 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:14,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 270 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:14,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-11 21:11:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 145. [2024-10-11 21:11:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 133 states have internal predecessors, (135), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-11 21:11:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 155 transitions. [2024-10-11 21:11:14,581 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 155 transitions. Word has length 55 [2024-10-11 21:11:14,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:14,581 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 155 transitions. [2024-10-11 21:11:14,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-11 21:11:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2024-10-11 21:11:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 21:11:14,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:14,583 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-11 21:11:14,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:14,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 21:11:14,784 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:14,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:14,784 INFO L85 PathProgramCache]: Analyzing trace with hash -630108129, now seen corresponding path program 1 times [2024-10-11 21:11:14,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:14,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26255703] [2024-10-11 21:11:14,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:14,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:14,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769459074] [2024-10-11 21:11:14,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:14,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:14,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:14,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:14,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 21:11:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:14,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:14,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:11:14,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 21:11:15,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:15,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26255703] [2024-10-11 21:11:15,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:15,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769459074] [2024-10-11 21:11:15,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769459074] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:15,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:15,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-11 21:11:15,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606754771] [2024-10-11 21:11:15,079 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:15,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:11:15,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:15,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:11:15,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:11:15,081 INFO L87 Difference]: Start difference. First operand 145 states and 155 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 21:11:15,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:15,274 INFO L93 Difference]: Finished difference Result 369 states and 404 transitions. [2024-10-11 21:11:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:15,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 68 [2024-10-11 21:11:15,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:15,276 INFO L225 Difference]: With dead ends: 369 [2024-10-11 21:11:15,276 INFO L226 Difference]: Without dead ends: 367 [2024-10-11 21:11:15,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:15,277 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 286 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:15,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 315 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:15,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-11 21:11:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 243. [2024-10-11 21:11:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 195 states have (on average 1.3282051282051281) internal successors, (259), 223 states have internal predecessors, (259), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 21:11:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 295 transitions. [2024-10-11 21:11:15,290 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 295 transitions. Word has length 68 [2024-10-11 21:11:15,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:15,291 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 295 transitions. [2024-10-11 21:11:15,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 21:11:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 295 transitions. [2024-10-11 21:11:15,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-11 21:11:15,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:15,292 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 21:11:15,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 21:11:15,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 21:11:15,497 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:15,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:15,498 INFO L85 PathProgramCache]: Analyzing trace with hash -953494685, now seen corresponding path program 1 times [2024-10-11 21:11:15,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:15,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14099348] [2024-10-11 21:11:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:15,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:15,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [198811451] [2024-10-11 21:11:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:15,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:15,514 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:15,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 21:11:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:15,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:15,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:15,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:15,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:15,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14099348] [2024-10-11 21:11:15,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:15,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198811451] [2024-10-11 21:11:15,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198811451] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:15,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:15,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-11 21:11:15,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8643407] [2024-10-11 21:11:15,770 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:15,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:11:15,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:15,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:11:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:11:15,773 INFO L87 Difference]: Start difference. First operand 243 states and 295 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 21:11:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:16,003 INFO L93 Difference]: Finished difference Result 331 states and 405 transitions. [2024-10-11 21:11:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:16,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 75 [2024-10-11 21:11:16,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:16,006 INFO L225 Difference]: With dead ends: 331 [2024-10-11 21:11:16,006 INFO L226 Difference]: Without dead ends: 323 [2024-10-11 21:11:16,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:11:16,007 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 197 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:16,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 245 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:16,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-11 21:11:16,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 243. [2024-10-11 21:11:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 199 states have (on average 1.2412060301507537) internal successors, (247), 221 states have internal predecessors, (247), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 21:11:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 287 transitions. [2024-10-11 21:11:16,024 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 287 transitions. Word has length 75 [2024-10-11 21:11:16,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:16,024 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 287 transitions. [2024-10-11 21:11:16,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-11 21:11:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 287 transitions. [2024-10-11 21:11:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 21:11:16,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:16,026 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 21:11:16,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 21:11:16,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:16,230 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:16,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:16,230 INFO L85 PathProgramCache]: Analyzing trace with hash 506435911, now seen corresponding path program 1 times [2024-10-11 21:11:16,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:16,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210209053] [2024-10-11 21:11:16,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:16,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:16,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:16,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:16,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:16,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:16,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:16,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:16,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210209053] [2024-10-11 21:11:16,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210209053] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:16,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311501535] [2024-10-11 21:11:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:16,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:16,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:16,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:16,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 21:11:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:16,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:16,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:16,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:16,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311501535] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:16,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:16,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 21:11:16,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112867144] [2024-10-11 21:11:16,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:16,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 21:11:16,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:16,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 21:11:16,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:16,692 INFO L87 Difference]: Start difference. First operand 243 states and 287 transitions. Second operand has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:16,896 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2024-10-11 21:11:16,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:16,896 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 76 [2024-10-11 21:11:16,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:16,898 INFO L225 Difference]: With dead ends: 243 [2024-10-11 21:11:16,898 INFO L226 Difference]: Without dead ends: 240 [2024-10-11 21:11:16,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:11:16,899 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 148 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:16,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 214 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:16,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-11 21:11:16,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-10-11 21:11:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 199 states have (on average 1.2060301507537687) internal successors, (240), 218 states have internal predecessors, (240), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 21:11:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 280 transitions. [2024-10-11 21:11:16,913 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 280 transitions. Word has length 76 [2024-10-11 21:11:16,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:16,913 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 280 transitions. [2024-10-11 21:11:16,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 280 transitions. [2024-10-11 21:11:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 21:11:16,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:16,914 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 21:11:16,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 21:11:17,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 21:11:17,119 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:17,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:17,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1480355867, now seen corresponding path program 1 times [2024-10-11 21:11:17,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:17,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760760847] [2024-10-11 21:11:17,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:17,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:17,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:17,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:17,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:17,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:17,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:17,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760760847] [2024-10-11 21:11:17,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760760847] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:17,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308157342] [2024-10-11 21:11:17,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:17,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:17,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:17,224 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:17,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 21:11:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:17,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:17,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:17,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:17,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308157342] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:17,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:17,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-11 21:11:17,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238814975] [2024-10-11 21:11:17,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:17,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 21:11:17,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:17,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 21:11:17,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:17,523 INFO L87 Difference]: Start difference. First operand 240 states and 280 transitions. Second operand has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:17,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:17,744 INFO L93 Difference]: Finished difference Result 295 states and 345 transitions. [2024-10-11 21:11:17,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:11:17,745 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-10-11 21:11:17,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:17,746 INFO L225 Difference]: With dead ends: 295 [2024-10-11 21:11:17,746 INFO L226 Difference]: Without dead ends: 286 [2024-10-11 21:11:17,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:17,747 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 160 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:17,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 239 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-11 21:11:17,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 250. [2024-10-11 21:11:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 213 states have (on average 1.1220657276995305) internal successors, (239), 226 states have internal predecessors, (239), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 21:11:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 283 transitions. [2024-10-11 21:11:17,767 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 283 transitions. Word has length 77 [2024-10-11 21:11:17,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:17,768 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 283 transitions. [2024-10-11 21:11:17,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-11 21:11:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 283 transitions. [2024-10-11 21:11:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 21:11:17,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:17,769 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 21:11:17,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 21:11:17,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 21:11:17,970 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:17,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash -987810713, now seen corresponding path program 1 times [2024-10-11 21:11:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:17,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542896782] [2024-10-11 21:11:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:17,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:18,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:18,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542896782] [2024-10-11 21:11:18,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542896782] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:18,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834244447] [2024-10-11 21:11:18,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:18,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:18,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:18,079 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:18,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 21:11:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 21:11:18,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 21:11:18,332 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834244447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:18,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:18,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-11 21:11:18,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527032785] [2024-10-11 21:11:18,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:18,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:11:18,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:11:18,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:18,334 INFO L87 Difference]: Start difference. First operand 250 states and 283 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:18,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:18,453 INFO L93 Difference]: Finished difference Result 252 states and 285 transitions. [2024-10-11 21:11:18,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 21:11:18,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-11 21:11:18,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:18,455 INFO L225 Difference]: With dead ends: 252 [2024-10-11 21:11:18,455 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 21:11:18,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:11:18,457 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 74 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:18,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 163 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 21:11:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 21:11:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-10-11 21:11:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 181 states have (on average 1.0497237569060773) internal successors, (190), 187 states have internal predecessors, (190), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 21:11:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 226 transitions. [2024-10-11 21:11:18,470 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 226 transitions. Word has length 79 [2024-10-11 21:11:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:18,470 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 226 transitions. [2024-10-11 21:11:18,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 226 transitions. [2024-10-11 21:11:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-11 21:11:18,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:18,473 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1] [2024-10-11 21:11:18,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:18,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 21:11:18,673 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:18,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:18,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1800995286, now seen corresponding path program 1 times [2024-10-11 21:11:18,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:18,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756606041] [2024-10-11 21:11:18,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 21:11:18,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:18,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756606041] [2024-10-11 21:11:18,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756606041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:18,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697387302] [2024-10-11 21:11:18,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:18,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:18,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:18,875 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:18,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 21:11:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:18,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 21:11:18,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 21:11:19,284 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-11 21:11:19,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697387302] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:19,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:19,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-11 21:11:19,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036967971] [2024-10-11 21:11:19,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:19,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-11 21:11:19,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:19,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-11 21:11:19,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-11 21:11:19,533 INFO L87 Difference]: Start difference. First operand 208 states and 226 transitions. Second operand has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 21:11:19,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:19,882 INFO L93 Difference]: Finished difference Result 337 states and 377 transitions. [2024-10-11 21:11:19,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 21:11:19,882 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 145 [2024-10-11 21:11:19,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:19,884 INFO L225 Difference]: With dead ends: 337 [2024-10-11 21:11:19,884 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 21:11:19,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-11 21:11:19,885 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 183 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:19,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 273 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:19,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 21:11:19,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 298. [2024-10-11 21:11:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 264 states have (on average 1.0643939393939394) internal successors, (281), 270 states have internal predecessors, (281), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 21:11:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 331 transitions. [2024-10-11 21:11:19,901 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 331 transitions. Word has length 145 [2024-10-11 21:11:19,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:19,901 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 331 transitions. [2024-10-11 21:11:19,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-11 21:11:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 331 transitions. [2024-10-11 21:11:19,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-11 21:11:19,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:19,903 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-10-11 21:11:19,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 21:11:20,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:20,104 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:20,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:20,104 INFO L85 PathProgramCache]: Analyzing trace with hash 168362967, now seen corresponding path program 2 times [2024-10-11 21:11:20,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:20,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949374058] [2024-10-11 21:11:20,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:20,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 21:11:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 21:11:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 21:11:20,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:20,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949374058] [2024-10-11 21:11:20,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949374058] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:20,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398471969] [2024-10-11 21:11:20,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:20,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:20,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:20,360 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:20,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 21:11:20,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:20,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:20,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 21:11:20,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 21:11:20,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-11 21:11:21,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398471969] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:21,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:21,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-11 21:11:21,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134467880] [2024-10-11 21:11:21,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:21,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 21:11:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:21,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 21:11:21,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-11 21:11:21,113 INFO L87 Difference]: Start difference. First operand 298 states and 331 transitions. Second operand has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-11 21:11:21,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:21,527 INFO L93 Difference]: Finished difference Result 378 states and 419 transitions. [2024-10-11 21:11:21,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 21:11:21,528 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 173 [2024-10-11 21:11:21,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:21,530 INFO L225 Difference]: With dead ends: 378 [2024-10-11 21:11:21,530 INFO L226 Difference]: Without dead ends: 354 [2024-10-11 21:11:21,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:11:21,531 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 223 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:21,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 454 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:11:21,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-11 21:11:21,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 318. [2024-10-11 21:11:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 282 states have (on average 1.0602836879432624) internal successors, (299), 288 states have internal predecessors, (299), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-11 21:11:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 353 transitions. [2024-10-11 21:11:21,547 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 353 transitions. Word has length 173 [2024-10-11 21:11:21,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:21,547 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 353 transitions. [2024-10-11 21:11:21,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-11 21:11:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 353 transitions. [2024-10-11 21:11:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-11 21:11:21,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:21,550 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-10-11 21:11:21,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 21:11:21,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:21,753 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:21,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2140295468, now seen corresponding path program 2 times [2024-10-11 21:11:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977237855] [2024-10-11 21:11:21,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:21,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163398891] [2024-10-11 21:11:21,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:21,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:21,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:21,784 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:21,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 21:11:21,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:21,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:21,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 21:11:21,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 21:11:22,057 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 21:11:22,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:22,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977237855] [2024-10-11 21:11:22,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:22,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163398891] [2024-10-11 21:11:22,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163398891] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:22,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:22,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-11 21:11:22,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360993164] [2024-10-11 21:11:22,423 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:22,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:11:22,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:22,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:11:22,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:22,424 INFO L87 Difference]: Start difference. First operand 318 states and 353 transitions. Second operand has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-11 21:11:22,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:22,987 INFO L93 Difference]: Finished difference Result 511 states and 564 transitions. [2024-10-11 21:11:22,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:11:22,987 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 212 [2024-10-11 21:11:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:22,990 INFO L225 Difference]: With dead ends: 511 [2024-10-11 21:11:22,990 INFO L226 Difference]: Without dead ends: 509 [2024-10-11 21:11:22,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:11:22,991 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 433 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:22,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 805 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:11:22,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-11 21:11:23,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 432. [2024-10-11 21:11:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 387 states have (on average 1.0594315245478036) internal successors, (410), 393 states have internal predecessors, (410), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 21:11:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2024-10-11 21:11:23,017 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 212 [2024-10-11 21:11:23,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:23,018 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2024-10-11 21:11:23,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-11 21:11:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2024-10-11 21:11:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-11 21:11:23,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:23,020 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-10-11 21:11:23,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 21:11:23,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:23,225 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:23,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:23,225 INFO L85 PathProgramCache]: Analyzing trace with hash -832737522, now seen corresponding path program 2 times [2024-10-11 21:11:23,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:23,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531279217] [2024-10-11 21:11:23,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:23,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:23,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227777079] [2024-10-11 21:11:23,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:23,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:23,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:23,252 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:23,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 21:11:23,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:23,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:23,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-11 21:11:23,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:23,539 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 21:11:23,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-11 21:11:23,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:23,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531279217] [2024-10-11 21:11:23,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:23,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227777079] [2024-10-11 21:11:23,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227777079] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:23,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:23,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-11 21:11:23,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666917627] [2024-10-11 21:11:23,844 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:23,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 21:11:23,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 21:11:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:11:23,845 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-11 21:11:24,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:24,337 INFO L93 Difference]: Finished difference Result 504 states and 562 transitions. [2024-10-11 21:11:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:11:24,338 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 219 [2024-10-11 21:11:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:24,340 INFO L225 Difference]: With dead ends: 504 [2024-10-11 21:11:24,341 INFO L226 Difference]: Without dead ends: 460 [2024-10-11 21:11:24,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-11 21:11:24,342 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 308 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:24,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 906 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:11:24,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-11 21:11:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 424. [2024-10-11 21:11:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 379 states have (on average 1.0395778364116095) internal successors, (394), 385 states have internal predecessors, (394), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 21:11:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 466 transitions. [2024-10-11 21:11:24,363 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 466 transitions. Word has length 219 [2024-10-11 21:11:24,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:24,364 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 466 transitions. [2024-10-11 21:11:24,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-11 21:11:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 466 transitions. [2024-10-11 21:11:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-11 21:11:24,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:24,368 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2024-10-11 21:11:24,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:24,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-11 21:11:24,569 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:24,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:24,569 INFO L85 PathProgramCache]: Analyzing trace with hash -842441714, now seen corresponding path program 2 times [2024-10-11 21:11:24,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:24,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755370962] [2024-10-11 21:11:24,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:24,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 21:11:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 21:11:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 21:11:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 21:11:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 21:11:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 21:11:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:11:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 21:11:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 21:11:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 21:11:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-11 21:11:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 21:11:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 21:11:25,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755370962] [2024-10-11 21:11:25,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755370962] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924963745] [2024-10-11 21:11:25,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 21:11:25,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:25,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:25,250 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:25,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 21:11:25,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 21:11:25,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:25,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 21:11:25,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-10-11 21:11:25,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-10-11 21:11:25,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924963745] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:11:25,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:11:25,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-10-11 21:11:25,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788166655] [2024-10-11 21:11:25,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:25,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 21:11:25,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:25,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 21:11:25,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-10-11 21:11:25,984 INFO L87 Difference]: Start difference. First operand 424 states and 466 transitions. Second operand has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-10-11 21:11:27,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:27,265 INFO L93 Difference]: Finished difference Result 440 states and 484 transitions. [2024-10-11 21:11:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-11 21:11:27,266 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 337 [2024-10-11 21:11:27,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:27,268 INFO L225 Difference]: With dead ends: 440 [2024-10-11 21:11:27,268 INFO L226 Difference]: Without dead ends: 439 [2024-10-11 21:11:27,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 706 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-10-11 21:11:27,270 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 418 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:27,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1964 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 21:11:27,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-11 21:11:27,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 423. [2024-10-11 21:11:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 379 states have (on average 1.029023746701847) internal successors, (390), 384 states have internal predecessors, (390), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-11 21:11:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 462 transitions. [2024-10-11 21:11:27,306 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 462 transitions. Word has length 337 [2024-10-11 21:11:27,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:27,307 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 462 transitions. [2024-10-11 21:11:27,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-10-11 21:11:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 462 transitions. [2024-10-11 21:11:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-10-11 21:11:27,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:27,313 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1] [2024-10-11 21:11:27,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-11 21:11:27,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:27,517 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:27,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:27,517 INFO L85 PathProgramCache]: Analyzing trace with hash -313171013, now seen corresponding path program 3 times [2024-10-11 21:11:27,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:27,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146886092] [2024-10-11 21:11:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:11:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 21:11:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 21:11:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:11:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 21:11:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 21:11:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:11:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-11 21:11:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 21:11:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 21:11:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 21:11:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 21:11:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 21:11:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 21:11:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 21:11:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 21:11:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 21:11:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-11 21:11:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-11 21:11:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-11 21:11:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-11 21:11:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-11 21:11:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-11 21:11:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:11:28,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-11 21:11:28,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:28,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146886092] [2024-10-11 21:11:28,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146886092] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:28,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150317377] [2024-10-11 21:11:28,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:11:28,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:28,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:28,191 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:28,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 21:11:28,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 21:11:28,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:28,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-11 21:11:28,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:28,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-10-11 21:11:28,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:29,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150317377] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:29,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-11 21:11:29,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-10-11 21:11:29,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676091068] [2024-10-11 21:11:29,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:29,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 21:11:29,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 21:11:29,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-10-11 21:11:29,424 INFO L87 Difference]: Start difference. First operand 423 states and 462 transitions. Second operand has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-11 21:11:32,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:32,969 INFO L93 Difference]: Finished difference Result 425 states and 464 transitions. [2024-10-11 21:11:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-11 21:11:32,970 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 365 [2024-10-11 21:11:32,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:32,972 INFO L225 Difference]: With dead ends: 425 [2024-10-11 21:11:32,972 INFO L226 Difference]: Without dead ends: 407 [2024-10-11 21:11:32,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-10-11 21:11:32,974 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 551 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 3063 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:32,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1274 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3063 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 21:11:32,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-11 21:11:33,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 405. [2024-10-11 21:11:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 365 states have (on average 1.010958904109589) internal successors, (369), 368 states have internal predecessors, (369), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-11 21:11:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2024-10-11 21:11:33,003 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 365 [2024-10-11 21:11:33,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:33,006 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2024-10-11 21:11:33,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-11 21:11:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2024-10-11 21:11:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-10-11 21:11:33,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:33,009 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-10-11 21:11:33,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 21:11:33,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 21:11:33,214 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:33,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:33,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1293114942, now seen corresponding path program 3 times [2024-10-11 21:11:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:33,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867298604] [2024-10-11 21:11:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:33,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879358446] [2024-10-11 21:11:33,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:11:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:33,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:33,327 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:33,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 21:11:33,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-11 21:11:33,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:33,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 21:11:33,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-10-11 21:11:33,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:11:33,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:33,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867298604] [2024-10-11 21:11:33,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:33,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879358446] [2024-10-11 21:11:33,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879358446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:11:33,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:11:33,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 21:11:33,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147402316] [2024-10-11 21:11:33,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:11:33,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:11:33,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:33,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:11:33,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:11:33,616 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:33,928 INFO L93 Difference]: Finished difference Result 407 states and 439 transitions. [2024-10-11 21:11:33,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:11:33,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 500 [2024-10-11 21:11:33,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:33,931 INFO L225 Difference]: With dead ends: 407 [2024-10-11 21:11:33,931 INFO L226 Difference]: Without dead ends: 405 [2024-10-11 21:11:33,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:11:33,932 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 113 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:33,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 77 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:33,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-11 21:11:33,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2024-10-11 21:11:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 365 states have (on average 1.0054794520547945) internal successors, (367), 366 states have internal predecessors, (367), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-11 21:11:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2024-10-11 21:11:33,970 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 500 [2024-10-11 21:11:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:33,971 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2024-10-11 21:11:33,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 21:11:33,971 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2024-10-11 21:11:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-10-11 21:11:33,974 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:11:33,974 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-10-11 21:11:33,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-11 21:11:34,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:34,179 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-11 21:11:34,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:11:34,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1593930852, now seen corresponding path program 3 times [2024-10-11 21:11:34,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:11:34,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690869756] [2024-10-11 21:11:34,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:11:34,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:11:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 21:11:34,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38911707] [2024-10-11 21:11:34,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 21:11:34,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:11:34,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:11:34,270 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:11:34,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 21:11:34,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 21:11:34,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 21:11:34,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 21:11:34,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:11:34,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2024-10-11 21:11:34,935 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:11:52,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:11:52,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690869756] [2024-10-11 21:11:52,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 21:11:52,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38911707] [2024-10-11 21:11:52,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38911707] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:11:52,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:11:52,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 21:11:52,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869749148] [2024-10-11 21:11:52,021 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 21:11:52,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:11:52,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:11:52,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:11:52,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=190, Unknown=3, NotChecked=0, Total=240 [2024-10-11 21:11:52,023 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 21:11:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:11:52,319 INFO L93 Difference]: Finished difference Result 405 states and 437 transitions. [2024-10-11 21:11:52,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 21:11:52,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 507 [2024-10-11 21:11:52,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:11:52,320 INFO L225 Difference]: With dead ends: 405 [2024-10-11 21:11:52,320 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 21:11:52,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=124, Invalid=379, Unknown=3, NotChecked=0, Total=506 [2024-10-11 21:11:52,321 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 165 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:11:52,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 89 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:11:52,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 21:11:52,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 21:11:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:11:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 21:11:52,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 507 [2024-10-11 21:11:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:11:52,322 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 21:11:52,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-11 21:11:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 21:11:52,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 21:11:52,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-10-11 21:11:52,325 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-10-11 21:11:52,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-10-11 21:11:52,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-10-11 21:11:52,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-10-11 21:11:52,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-10-11 21:11:52,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-10-11 21:11:52,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-10-11 21:11:52,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-10-11 21:11:52,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-10-11 21:11:52,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-10-11 21:11:52,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-10-11 21:11:52,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-10-11 21:11:52,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-10-11 21:11:52,329 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-10-11 21:11:52,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-10-11 21:11:52,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-10-11 21:11:52,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-10-11 21:11:52,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-10-11 21:11:52,330 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-10-11 21:11:52,331 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-10-11 21:11:52,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-10-11 21:11:52,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-10-11 21:11:52,332 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-10-11 21:11:52,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-10-11 21:11:52,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-10-11 21:11:52,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-10-11 21:11:52,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-10-11 21:11:52,333 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-10-11 21:11:52,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-10-11 21:11:52,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-10-11 21:11:52,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-10-11 21:11:52,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-10-11 21:11:52,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-10-11 21:11:52,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-11 21:11:52,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 21:11:52,542 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:11:52,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 21:11:56,341 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 21:11:56,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 09:11:56 BoogieIcfgContainer [2024-10-11 21:11:56,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 21:11:56,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 21:11:56,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 21:11:56,371 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 21:11:56,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:11:09" (3/4) ... [2024-10-11 21:11:56,374 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 21:11:56,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-11 21:11:56,382 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 21:11:56,383 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 21:11:56,383 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 21:11:56,383 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 21:11:56,485 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 21:11:56,485 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 21:11:56,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 21:11:56,486 INFO L158 Benchmark]: Toolchain (without parser) took 47573.27ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 141.1MB in the beginning and 102.3MB in the end (delta: 38.9MB). Peak memory consumption was 178.8MB. Max. memory is 16.1GB. [2024-10-11 21:11:56,486 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 172.0MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 21:11:56,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.98ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 127.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 21:11:56,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.36ms. Allocated memory is still 172.0MB. Free memory was 127.6MB in the beginning and 126.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 21:11:56,487 INFO L158 Benchmark]: Boogie Preprocessor took 52.18ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 124.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 21:11:56,488 INFO L158 Benchmark]: RCFGBuilder took 536.33ms. Allocated memory is still 172.0MB. Free memory was 123.9MB in the beginning and 104.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 21:11:56,488 INFO L158 Benchmark]: TraceAbstraction took 46528.31ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 103.4MB in the beginning and 107.5MB in the end (delta: -4.1MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. [2024-10-11 21:11:56,488 INFO L158 Benchmark]: Witness Printer took 115.17ms. Allocated memory is still 312.5MB. Free memory was 107.5MB in the beginning and 102.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 21:11:56,489 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 172.0MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.98ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 127.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.36ms. Allocated memory is still 172.0MB. Free memory was 127.6MB in the beginning and 126.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.18ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 124.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.33ms. Allocated memory is still 172.0MB. Free memory was 123.9MB in the beginning and 104.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 46528.31ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 103.4MB in the beginning and 107.5MB in the end (delta: -4.1MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. * Witness Printer took 115.17ms. Allocated memory is still 312.5MB. Free memory was 107.5MB in the beginning and 102.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 42.6s, OverallIterations: 26, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4109 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4035 mSDsluCounter, 9856 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7453 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8599 IncrementalHoareTripleChecker+Invalid, 9153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 2403 mSDtfsCounter, 8599 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4960 GetRequests, 4644 SyntacticMatches, 0 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2490 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=21, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 653 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 26.7s InterpolantComputationTime, 6347 NumberOfCodeBlocks, 5148 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 6129 ConstructedInterpolants, 4 QuantifiedInterpolants, 25282 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3223 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 47 InterpolantComputations, 14 PerfectInterpolantSequences, 16920/21279 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((0 <= (counter + 2147483648)) && (n <= 2147483647)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (counter <= 100)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: ((cond != 0) || ((counter + 2147483648) < 0)) RESULT: Ultimate proved your program to be correct! [2024-10-11 21:11:56,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE