/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/reducercommutativity/sum20-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:58:33,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:58:33,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:58:33,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:58:33,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:58:33,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:58:33,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:58:33,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:58:33,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:58:33,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:58:33,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:58:33,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:58:33,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:58:33,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:58:33,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:58:33,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:58:33,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:58:33,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:58:33,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:58:33,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:58:33,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:58:33,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:58:33,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:58:33,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:58:33,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 14:58:33,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:58:33,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:58:33,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:58:33,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:58:33,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:58:33,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:58:33,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:58:33,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:58:33,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:58:33,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:58:33,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:58:33,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:58:33,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:58:33,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:58:33,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:58:33,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:58:33,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:58:33,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:58:33,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:58:33,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:58:33,690 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:58:33,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:58:33,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:58:33,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:58:33,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:58:33,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:58:33,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:58:33,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:58:33,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:58:33,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:58:33,692 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:58:33,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:58:33,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:58:33,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:58:33,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:58:33,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:58:33,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:58:33,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:58:33,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:58:33,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:58:33,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:58:33,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:58:33,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:58:33,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:58:33,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:58:33,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:58:34,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:58:34,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:58:34,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:58:34,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:58:34,113 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:58:34,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sum20-2.i [2022-10-16 14:58:34,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c5853f1/2c2be22c7ffc49a0b54759c6fcb99d13/FLAG6b1e41b90 [2022-10-16 14:58:34,726 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:58:34,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i [2022-10-16 14:58:34,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c5853f1/2c2be22c7ffc49a0b54759c6fcb99d13/FLAG6b1e41b90 [2022-10-16 14:58:35,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09c5853f1/2c2be22c7ffc49a0b54759c6fcb99d13 [2022-10-16 14:58:35,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:58:35,068 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:58:35,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:58:35,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:58:35,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:58:35,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc71fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35, skipping insertion in model container [2022-10-16 14:58:35,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:58:35,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:58:35,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i[1277,1290] [2022-10-16 14:58:35,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:58:35,376 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:58:35,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sum20-2.i[1277,1290] [2022-10-16 14:58:35,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:58:35,418 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:58:35,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35 WrapperNode [2022-10-16 14:58:35,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:58:35,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:58:35,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:58:35,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:58:35,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,457 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2022-10-16 14:58:35,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:58:35,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:58:35,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:58:35,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:58:35,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,483 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:58:35,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:58:35,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:58:35,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:58:35,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (1/1) ... [2022-10-16 14:58:35,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:58:35,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:58:35,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:58:35,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:58:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:58:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-10-16 14:58:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-10-16 14:58:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:58:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:58:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:58:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:58:35,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:58:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:58:35,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:58:35,716 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:58:35,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:58:36,074 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:58:36,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:58:36,093 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 14:58:36,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:58:36 BoogieIcfgContainer [2022-10-16 14:58:36,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:58:36,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:58:36,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:58:36,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:58:36,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:58:35" (1/3) ... [2022-10-16 14:58:36,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4676fa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:58:36, skipping insertion in model container [2022-10-16 14:58:36,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:58:35" (2/3) ... [2022-10-16 14:58:36,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4676fa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:58:36, skipping insertion in model container [2022-10-16 14:58:36,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:58:36" (3/3) ... [2022-10-16 14:58:36,124 INFO L112 eAbstractionObserver]: Analyzing ICFG sum20-2.i [2022-10-16 14:58:36,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:58:36,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-16 14:58:36,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:58:36,243 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@16a8006d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:58:36,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-16 14:58:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 39 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-16 14:58:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:58:36,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:36,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:58:36,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:36,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:36,265 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2022-10-16 14:58:36,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:36,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962770268] [2022-10-16 14:58:36,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:36,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:36,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:36,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962770268] [2022-10-16 14:58:36,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962770268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:58:36,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:58:36,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:58:36,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354038454] [2022-10-16 14:58:36,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:58:36,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:58:36,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:58:36,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:58:36,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:58:36,580 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 39 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:36,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:58:36,649 INFO L93 Difference]: Finished difference Result 86 states and 105 transitions. [2022-10-16 14:58:36,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:58:36,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-10-16 14:58:36,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:58:36,663 INFO L225 Difference]: With dead ends: 86 [2022-10-16 14:58:36,664 INFO L226 Difference]: Without dead ends: 42 [2022-10-16 14:58:36,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:58:36,675 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 3 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:58:36,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 128 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:58:36,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-10-16 14:58:36,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-10-16 14:58:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 38 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:58:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2022-10-16 14:58:36,741 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 5 [2022-10-16 14:58:36,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:58:36,741 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2022-10-16 14:58:36,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-10-16 14:58:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:58:36,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:36,743 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:58:36,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:58:36,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:36,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:36,744 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2022-10-16 14:58:36,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:36,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670998755] [2022-10-16 14:58:36,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:36,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:58:36,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:36,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670998755] [2022-10-16 14:58:36,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670998755] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:58:36,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:58:36,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:58:36,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120767015] [2022-10-16 14:58:36,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:58:36,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:58:36,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:58:36,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:58:36,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:58:36,833 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:36,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:58:36,864 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-10-16 14:58:36,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:58:36,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:58:36,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:58:36,866 INFO L225 Difference]: With dead ends: 42 [2022-10-16 14:58:36,866 INFO L226 Difference]: Without dead ends: 41 [2022-10-16 14:58:36,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:58:36,869 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 5 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:58:36,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 105 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:58:36,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-10-16 14:58:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-10-16 14:58:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 37 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:58:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-10-16 14:58:36,879 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 9 [2022-10-16 14:58:36,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:58:36,879 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-10-16 14:58:36,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-10-16 14:58:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 14:58:36,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:36,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:58:36,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:58:36,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:36,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1711627254, now seen corresponding path program 1 times [2022-10-16 14:58:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:36,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062423572] [2022-10-16 14:58:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:37,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:37,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062423572] [2022-10-16 14:58:37,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062423572] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:58:37,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898093771] [2022-10-16 14:58:37,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:37,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:37,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:58:37,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:58:37,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:58:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:37,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:58:37,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:58:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:37,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:58:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:37,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898093771] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:58:37,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:58:37,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-16 14:58:37,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391133883] [2022-10-16 14:58:37,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:58:37,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:58:37,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:58:37,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:58:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:58:37,323 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:37,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:58:37,402 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2022-10-16 14:58:37,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:58:37,403 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 14:58:37,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:58:37,405 INFO L225 Difference]: With dead ends: 77 [2022-10-16 14:58:37,405 INFO L226 Difference]: Without dead ends: 47 [2022-10-16 14:58:37,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:58:37,408 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 13 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:58:37,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 246 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:58:37,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-10-16 14:58:37,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2022-10-16 14:58:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.393939393939394) internal successors, (46), 42 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:58:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-10-16 14:58:37,417 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 11 [2022-10-16 14:58:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:58:37,418 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-10-16 14:58:37,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-10-16 14:58:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:58:37,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:37,419 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-10-16 14:58:37,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:58:37,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:37,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:37,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:37,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2022-10-16 14:58:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:37,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018427512] [2022-10-16 14:58:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:37,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:37,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:37,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018427512] [2022-10-16 14:58:37,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018427512] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:58:37,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067590451] [2022-10-16 14:58:37,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:37,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:37,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:58:37,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:58:37,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:58:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:37,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:58:37,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:58:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:37,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:58:37,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067590451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:58:37,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:58:37,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:58:37,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888299671] [2022-10-16 14:58:37,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:58:37,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:58:37,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:58:37,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:58:37,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:58:37,915 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-10-16 14:58:37,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:58:37,961 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-10-16 14:58:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:58:37,961 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 10 [2022-10-16 14:58:37,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:58:37,962 INFO L225 Difference]: With dead ends: 46 [2022-10-16 14:58:37,963 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 14:58:37,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:58:37,965 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 34 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:58:37,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 121 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:58:37,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 14:58:37,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-10-16 14:58:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 41 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:58:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-10-16 14:58:37,974 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 10 [2022-10-16 14:58:37,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:58:37,974 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-10-16 14:58:37,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-10-16 14:58:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-10-16 14:58:37,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:58:37,976 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:37,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:58:38,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 14:58:38,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 14:58:38,190 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:38,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:38,191 INFO L85 PathProgramCache]: Analyzing trace with hash -228848382, now seen corresponding path program 2 times [2022-10-16 14:58:38,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:38,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469685524] [2022-10-16 14:58:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:38,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:38,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:38,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469685524] [2022-10-16 14:58:38,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469685524] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:58:38,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551355487] [2022-10-16 14:58:38,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:58:38,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:58:38,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:58:38,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:58:38,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:58:38,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:58:38,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:58:38,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:58:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:38,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:58:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:38,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551355487] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:58:38,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:58:38,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-16 14:58:38,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894028829] [2022-10-16 14:58:38,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:58:38,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:58:38,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:58:38,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:58:38,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:58:38,596 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 18 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 18 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:38,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:58:38,708 INFO L93 Difference]: Finished difference Result 91 states and 102 transitions. [2022-10-16 14:58:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:58:38,710 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 18 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 14:58:38,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:58:38,711 INFO L225 Difference]: With dead ends: 91 [2022-10-16 14:58:38,711 INFO L226 Difference]: Without dead ends: 61 [2022-10-16 14:58:38,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:58:38,713 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 29 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:58:38,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 347 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:58:38,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-10-16 14:58:38,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-10-16 14:58:38,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 57 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:58:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2022-10-16 14:58:38,725 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 19 [2022-10-16 14:58:38,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:58:38,725 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2022-10-16 14:58:38,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.0555555555555554) internal successors, (37), 18 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-10-16 14:58:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 14:58:38,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:38,727 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:58:38,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:58:38,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:38,943 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:38,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1715566322, now seen corresponding path program 3 times [2022-10-16 14:58:38,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:38,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479182232] [2022-10-16 14:58:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:38,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:39,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:39,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479182232] [2022-10-16 14:58:39,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479182232] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:58:39,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076409333] [2022-10-16 14:58:39,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:58:39,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:39,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:58:39,366 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:58:39,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:58:39,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-10-16 14:58:39,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:58:39,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:58:39,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:58:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:39,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:58:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:39,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076409333] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:58:39,833 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:58:39,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-10-16 14:58:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360135090] [2022-10-16 14:58:39,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:58:39,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-10-16 14:58:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:58:39,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-10-16 14:58:39,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 14:58:39,836 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand has 34 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 34 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:58:40,133 INFO L93 Difference]: Finished difference Result 123 states and 138 transitions. [2022-10-16 14:58:40,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 14:58:40,134 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 34 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-10-16 14:58:40,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:58:40,136 INFO L225 Difference]: With dead ends: 123 [2022-10-16 14:58:40,136 INFO L226 Difference]: Without dead ends: 93 [2022-10-16 14:58:40,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=659, Invalid=1597, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 14:58:40,139 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 113 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:58:40,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 278 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:58:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-10-16 14:58:40,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-10-16 14:58:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 81 states have (on average 1.1358024691358024) internal successors, (92), 89 states have internal predecessors, (92), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:58:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2022-10-16 14:58:40,151 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 35 [2022-10-16 14:58:40,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:58:40,151 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2022-10-16 14:58:40,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.0294117647058822) internal successors, (69), 34 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2022-10-16 14:58:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 14:58:40,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:40,154 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:58:40,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:58:40,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:40,370 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:40,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:40,371 INFO L85 PathProgramCache]: Analyzing trace with hash -776557870, now seen corresponding path program 4 times [2022-10-16 14:58:40,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:40,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827782423] [2022-10-16 14:58:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:41,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:41,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827782423] [2022-10-16 14:58:41,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827782423] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:58:41,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095077162] [2022-10-16 14:58:41,341 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 14:58:41,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:41,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:58:41,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:58:41,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:58:41,445 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 14:58:41,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:58:41,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-16 14:58:41,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:58:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:41,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:58:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:42,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095077162] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:58:42,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:58:42,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 43 [2022-10-16 14:58:42,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960851003] [2022-10-16 14:58:42,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:58:42,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-16 14:58:42,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:58:42,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-16 14:58:42,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:58:42,192 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand has 43 states, 43 states have (on average 2.0697674418604652) internal successors, (89), 43 states have internal predecessors, (89), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:42,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:58:42,630 INFO L93 Difference]: Finished difference Result 143 states and 155 transitions. [2022-10-16 14:58:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-16 14:58:42,631 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 2.0697674418604652) internal successors, (89), 43 states have internal predecessors, (89), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 14:58:42,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:58:42,633 INFO L225 Difference]: With dead ends: 143 [2022-10-16 14:58:42,633 INFO L226 Difference]: Without dead ends: 113 [2022-10-16 14:58:42,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 101 SyntacticMatches, 23 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1407 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1093, Invalid=2689, Unknown=0, NotChecked=0, Total=3782 [2022-10-16 14:58:42,636 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 132 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:58:42,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 279 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:58:42,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-10-16 14:58:42,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-10-16 14:58:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 101 states have (on average 1.108910891089109) internal successors, (112), 109 states have internal predecessors, (112), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 14:58:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2022-10-16 14:58:42,648 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 67 [2022-10-16 14:58:42,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:58:42,649 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2022-10-16 14:58:42,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.0697674418604652) internal successors, (89), 43 states have internal predecessors, (89), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:58:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2022-10-16 14:58:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 14:58:42,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:58:42,652 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:58:42,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:58:42,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:42,859 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:58:42,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:58:42,860 INFO L85 PathProgramCache]: Analyzing trace with hash -200074178, now seen corresponding path program 5 times [2022-10-16 14:58:42,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:58:42,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271502258] [2022-10-16 14:58:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:58:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:58:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:58:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 612 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:49,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:58:49,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271502258] [2022-10-16 14:58:49,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271502258] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:58:49,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507970555] [2022-10-16 14:58:49,547 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 14:58:49,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:58:49,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:58:49,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:58:49,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:58:50,007 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2022-10-16 14:58:50,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:58:50,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 97 conjunts are in the unsatisfiable core [2022-10-16 14:58:50,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:58:50,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-10-16 14:58:50,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,463 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:58:50,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:58:51,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-16 14:58:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 666 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:58:51,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:59:11,506 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_39| Int)) (or (forall ((|v_ULTIMATE.start_main_~i~1#1_38| Int) (v_ArrVal_265 Int) (v_ArrVal_263 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_38| (+ |v_ULTIMATE.start_main_~i~1#1_39| 1)) (< (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_39| 4)) v_ArrVal_263) (+ (* |v_ULTIMATE.start_main_~i~1#1_38| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_265) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808))) (not (<= (+ |c_ULTIMATE.start_main_#t~post3#1| 1) |v_ULTIMATE.start_main_~i~1#1_39|)))) is different from false [2022-10-16 14:59:58,109 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_40| Int)) (or (forall ((|v_ULTIMATE.start_main_~i~1#1_38| Int) (v_ArrVal_265 Int) (v_ArrVal_263 Int) (|v_ULTIMATE.start_main_~i~1#1_39| Int) (v_ArrVal_261 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_39| (+ |v_ULTIMATE.start_main_~i~1#1_40| 1)) (< (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_261) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_39| 4)) v_ArrVal_263) (+ (* |v_ULTIMATE.start_main_~i~1#1_38| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_265) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808) (< |v_ULTIMATE.start_main_~i~1#1_38| (+ |v_ULTIMATE.start_main_~i~1#1_39| 1)))) (not (<= (+ |c_ULTIMATE.start_main_#t~post3#1| 1) |v_ULTIMATE.start_main_~i~1#1_40|)))) is different from false [2022-10-16 15:00:15,877 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_38| Int) (v_ArrVal_265 Int) (v_ArrVal_263 Int) (|v_ULTIMATE.start_main_~i~1#1_39| Int) (v_ArrVal_261 Int) (|v_ULTIMATE.start_main_~i~1#1_40| Int) (v_ArrVal_259 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_39| (+ |v_ULTIMATE.start_main_~i~1#1_40| 1)) (< |v_ULTIMATE.start_main_~i~1#1_38| (+ |v_ULTIMATE.start_main_~i~1#1_39| 1)) (< |v_ULTIMATE.start_main_~i~1#1_40| (+ |c_ULTIMATE.start_main_~i~1#1| 1)) (< (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)) v_ArrVal_259) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_261) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_39| 4)) v_ArrVal_263) (+ (* |v_ULTIMATE.start_main_~i~1#1_38| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_265) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808))) is different from false [2022-10-16 15:00:17,930 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_41| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post3#1| 1) |v_ULTIMATE.start_main_~i~1#1_41|)) (forall ((|v_ULTIMATE.start_main_~i~1#1_38| Int) (v_ArrVal_265 Int) (v_ArrVal_263 Int) (|v_ULTIMATE.start_main_~i~1#1_39| Int) (v_ArrVal_261 Int) (|v_ULTIMATE.start_main_~i~1#1_40| Int) (v_ArrVal_259 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_40| (+ |v_ULTIMATE.start_main_~i~1#1_41| 1)) (< |v_ULTIMATE.start_main_~i~1#1_39| (+ |v_ULTIMATE.start_main_~i~1#1_40| 1)) (< |v_ULTIMATE.start_main_~i~1#1_38| (+ |v_ULTIMATE.start_main_~i~1#1_39| 1)) (< (select (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~1#1_41| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_259) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_261) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_39| 4)) v_ArrVal_263) (+ (* |v_ULTIMATE.start_main_~i~1#1_38| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_265) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808))))) is different from false [2022-10-16 15:01:32,807 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_42| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post3#1| 1) |v_ULTIMATE.start_main_~i~1#1_42|)) (forall ((v_ArrVal_258 Int) (|v_ULTIMATE.start_main_~i~1#1_38| Int) (v_ArrVal_265 Int) (v_ArrVal_263 Int) (|v_ULTIMATE.start_main_~i~1#1_39| Int) (|v_ULTIMATE.start_main_~i~1#1_41| Int) (v_ArrVal_261 Int) (|v_ULTIMATE.start_main_~i~1#1_40| Int) (v_ArrVal_259 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_40| (+ |v_ULTIMATE.start_main_~i~1#1_41| 1)) (< |v_ULTIMATE.start_main_~i~1#1_39| (+ |v_ULTIMATE.start_main_~i~1#1_40| 1)) (< (select (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_42| 4)) v_ArrVal_258) (+ (* |v_ULTIMATE.start_main_~i~1#1_41| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_259) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_261) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_39| 4)) v_ArrVal_263) (+ (* |v_ULTIMATE.start_main_~i~1#1_38| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_265) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808) (< |v_ULTIMATE.start_main_~i~1#1_38| (+ |v_ULTIMATE.start_main_~i~1#1_39| 1)) (< |v_ULTIMATE.start_main_~i~1#1_41| (+ |v_ULTIMATE.start_main_~i~1#1_42| 1)))))) is different from false [2022-10-16 15:02:03,013 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_258 Int) (|v_ULTIMATE.start_main_~i~1#1_38| Int) (v_ArrVal_256 Int) (v_ArrVal_265 Int) (v_ArrVal_263 Int) (|v_ULTIMATE.start_main_~i~1#1_39| Int) (|v_ULTIMATE.start_main_~i~1#1_41| Int) (v_ArrVal_261 Int) (|v_ULTIMATE.start_main_~i~1#1_40| Int) (|v_ULTIMATE.start_main_~i~1#1_42| Int) (v_ArrVal_259 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_40| (+ |v_ULTIMATE.start_main_~i~1#1_41| 1)) (< |v_ULTIMATE.start_main_~i~1#1_39| (+ |v_ULTIMATE.start_main_~i~1#1_40| 1)) (< (select (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |c_ULTIMATE.start_main_~i~1#1| 4)) v_ArrVal_256) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_42| 4)) v_ArrVal_258) (+ (* |v_ULTIMATE.start_main_~i~1#1_41| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_259) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_261) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_39| 4)) v_ArrVal_263) (+ (* |v_ULTIMATE.start_main_~i~1#1_38| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_265) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808) (< |v_ULTIMATE.start_main_~i~1#1_38| (+ |v_ULTIMATE.start_main_~i~1#1_39| 1)) (< |v_ULTIMATE.start_main_~i~1#1_42| (+ |c_ULTIMATE.start_main_~i~1#1| 1)) (< |v_ULTIMATE.start_main_~i~1#1_41| (+ |v_ULTIMATE.start_main_~i~1#1_42| 1)))) is different from false [2022-10-16 15:02:05,073 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~1#1_43| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post3#1| 1) |v_ULTIMATE.start_main_~i~1#1_43|)) (forall ((v_ArrVal_258 Int) (|v_ULTIMATE.start_main_~i~1#1_38| Int) (v_ArrVal_256 Int) (v_ArrVal_265 Int) (v_ArrVal_263 Int) (|v_ULTIMATE.start_main_~i~1#1_39| Int) (|v_ULTIMATE.start_main_~i~1#1_41| Int) (v_ArrVal_261 Int) (|v_ULTIMATE.start_main_~i~1#1_40| Int) (|v_ULTIMATE.start_main_~i~1#1_42| Int) (v_ArrVal_259 Int)) (or (< |v_ULTIMATE.start_main_~i~1#1_40| (+ |v_ULTIMATE.start_main_~i~1#1_41| 1)) (< |v_ULTIMATE.start_main_~i~1#1_39| (+ |v_ULTIMATE.start_main_~i~1#1_40| 1)) (< |v_ULTIMATE.start_main_~i~1#1_42| (+ |v_ULTIMATE.start_main_~i~1#1_43| 1)) (< |v_ULTIMATE.start_main_~i~1#1_38| (+ |v_ULTIMATE.start_main_~i~1#1_39| 1)) (< (select (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#x~0#1.base|) (+ (* |v_ULTIMATE.start_main_~i~1#1_43| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_256) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_42| 4)) v_ArrVal_258) (+ (* |v_ULTIMATE.start_main_~i~1#1_41| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_259) (+ (* |v_ULTIMATE.start_main_~i~1#1_40| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_261) (+ |c_ULTIMATE.start_main_~#x~0#1.offset| (* |v_ULTIMATE.start_main_~i~1#1_39| 4)) v_ArrVal_263) (+ (* |v_ULTIMATE.start_main_~i~1#1_38| 4) |c_ULTIMATE.start_main_~#x~0#1.offset|) v_ArrVal_265) |c_ULTIMATE.start_main_~#x~0#1.offset|) 9223372036854775808) (< |v_ULTIMATE.start_main_~i~1#1_41| (+ |v_ULTIMATE.start_main_~i~1#1_42| 1)))))) is different from false