./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 15:10:34,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 15:10:34,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 15:10:34,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 15:10:34,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 15:10:34,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 15:10:34,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 15:10:34,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 15:10:34,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 15:10:34,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 15:10:34,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 15:10:34,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 15:10:34,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 15:10:34,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 15:10:34,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 15:10:34,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 15:10:34,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 15:10:34,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 15:10:34,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 15:10:34,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 15:10:34,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 15:10:34,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 15:10:34,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 15:10:34,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 15:10:34,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 15:10:34,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 15:10:34,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 15:10:34,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 15:10:34,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 15:10:34,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 15:10:34,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 15:10:34,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 15:10:34,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 15:10:34,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 15:10:34,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 15:10:34,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 15:10:34,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 15:10:34,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 15:10:34,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 15:10:34,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 15:10:34,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 15:10:34,687 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-07-06 15:10:34,704 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 15:10:34,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 15:10:34,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 15:10:34,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 15:10:34,706 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 15:10:34,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 15:10:34,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 15:10:34,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 15:10:34,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 15:10:34,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-06 15:10:34,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-06 15:10:34,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-06 15:10:34,707 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-07-06 15:10:34,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 15:10:34,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 15:10:34,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-06 15:10:34,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 15:10:34,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 15:10:34,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-06 15:10:34,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 15:10:34,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 15:10:34,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-06 15:10:34,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-06 15:10:34,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 15:10:34,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-06 15:10:34,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-06 15:10:34,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 15:10:34,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2021-07-06 15:10:35,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 15:10:35,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 15:10:35,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 15:10:35,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 15:10:35,055 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 15:10:35,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2021-07-06 15:10:35,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cdccb43/2cf2a63b04ee4f4e92ffacc064f85dd5/FLAG3c115a8f8 [2021-07-06 15:10:35,551 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 15:10:35,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2021-07-06 15:10:35,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cdccb43/2cf2a63b04ee4f4e92ffacc064f85dd5/FLAG3c115a8f8 [2021-07-06 15:10:35,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93cdccb43/2cf2a63b04ee4f4e92ffacc064f85dd5 [2021-07-06 15:10:35,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 15:10:35,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 15:10:35,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 15:10:35,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 15:10:35,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 15:10:35,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4212a9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35, skipping insertion in model container [2021-07-06 15:10:35,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 15:10:35,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 15:10:35,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 15:10:35,696 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 15:10:35,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 15:10:35,713 INFO L208 MainTranslator]: Completed translation [2021-07-06 15:10:35,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35 WrapperNode [2021-07-06 15:10:35,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 15:10:35,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 15:10:35,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 15:10:35,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 15:10:35,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 15:10:35,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 15:10:35,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 15:10:35,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 15:10:35,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 15:10:35,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 15:10:35,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 15:10:35,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 15:10:35,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (1/1) ... [2021-07-06 15:10:35,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-06 15:10:35,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 15:10:35,870 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) [2021-07-06 15:10:35,888 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 [2021-07-06 15:10:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 15:10:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 15:10:36,122 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 15:10:36,122 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-07-06 15:10:36,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:10:36 BoogieIcfgContainer [2021-07-06 15:10:36,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 15:10:36,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-06 15:10:36,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-06 15:10:36,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-06 15:10:36,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.07 03:10:35" (1/3) ... [2021-07-06 15:10:36,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78048860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:10:36, skipping insertion in model container [2021-07-06 15:10:36,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 03:10:35" (2/3) ... [2021-07-06 15:10:36,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78048860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.07 03:10:36, skipping insertion in model container [2021-07-06 15:10:36,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:10:36" (3/3) ... [2021-07-06 15:10:36,143 INFO L111 eAbstractionObserver]: Analyzing ICFG UrbanMine-ESOP2014-Fig3.c [2021-07-06 15:10:36,147 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-06 15:10:36,148 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-07-06 15:10:36,177 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:36,181 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:36,181 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-07-06 15:10:36,197 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:36,197 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-07-06 15:10:36,198 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:36,202 INFO L82 PathProgramCache]: Analyzing trace with hash 29863588, now seen corresponding path program 1 times [2021-07-06 15:10:36,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:36,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509191879] [2021-07-06 15:10:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:36,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:36,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:36,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:36,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509191879] [2021-07-06 15:10:36,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509191879] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:36,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:36,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-07-06 15:10:36,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797609252] [2021-07-06 15:10:36,357 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:36,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:36,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:36,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:36,370 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-07-06 15:10:36,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:36,458 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2021-07-06 15:10:36,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:36,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2021-07-06 15:10:36,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:36,466 INFO L225 Difference]: With dead ends: 43 [2021-07-06 15:10:36,466 INFO L226 Difference]: Without dead ends: 21 [2021-07-06 15:10:36,470 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:36,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-07-06 15:10:36,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-07-06 15:10:36,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 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) [2021-07-06 15:10:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-07-06 15:10:36,494 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 5 [2021-07-06 15:10:36,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:36,494 INFO L442 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-07-06 15:10:36,494 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-07-06 15:10:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-07-06 15:10:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-06 15:10:36,495 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:36,495 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 15:10:36,495 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-06 15:10:36,496 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:36,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:36,499 INFO L82 PathProgramCache]: Analyzing trace with hash -248985325, now seen corresponding path program 1 times [2021-07-06 15:10:36,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:36,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841859022] [2021-07-06 15:10:36,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:36,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:36,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,542 INFO L142 QuantifierPusher]: treesize reduction 6, result has 40.0 percent of original size [2021-07-06 15:10:36,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 15:10:36,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 15:10:36,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:36,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:36,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841859022] [2021-07-06 15:10:36,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841859022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-06 15:10:36,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412418183] [2021-07-06 15:10:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:36,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-06 15:10:36,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 15:10:36,567 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) [2021-07-06 15:10:36,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-07-06 15:10:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:36,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-06 15:10:36,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 15:10:36,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:36,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 15:10:36,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 15:10:36,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 15:10:36,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 15:10:36,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 15:10:36,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 15:10:36,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-06 15:10:36,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 15:10:36,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-06 15:10:36,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-06 15:10:36,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:36,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:36,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412418183] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:36,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-06 15:10:36,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-06 15:10:36,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412227129] [2021-07-06 15:10:36,681 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-06 15:10:36,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:36,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-06 15:10:36,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-06 15:10:36,682 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2021-07-06 15:10:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:36,724 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2021-07-06 15:10:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-06 15:10:36,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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 [2021-07-06 15:10:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:36,725 INFO L225 Difference]: With dead ends: 42 [2021-07-06 15:10:36,725 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:36,726 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-06 15:10:36,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:36,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:36,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:36,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-07-06 15:10:36,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:36,727 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:36,727 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2021-07-06 15:10:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:36,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:36,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:36,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:36,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:36,752 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:36,752 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:36,752 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:36,753 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:36,753 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:36,753 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2021-07-06 15:10:36,753 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:36,753 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:36,754 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:36,754 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:36,754 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:36,754 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:36,754 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:36,754 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:36,755 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:36,755 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:36,755 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:36,755 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:36,755 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:36,755 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:36,755 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:36,756 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:36,756 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:36,756 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:36,756 INFO L765 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: true [2021-07-06 15:10:36,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-07-06 15:10:36,981 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-06 15:10:36,982 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:36,985 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (1/8) [2021-07-06 15:10:36,987 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:36,987 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:36,987 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-06 15:10:36,990 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:36,990 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-06 15:10:36,990 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:36,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:36,990 INFO L82 PathProgramCache]: Analyzing trace with hash 925771278, now seen corresponding path program 1 times [2021-07-06 15:10:36,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:36,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290230082] [2021-07-06 15:10:36,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:36,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:36,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:37,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:37,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290230082] [2021-07-06 15:10:37,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290230082] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:37,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:37,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-06 15:10:37,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722071134] [2021-07-06 15:10:37,005 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:37,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:37,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:37,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,006 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:37,037 INFO L93 Difference]: Finished difference Result 54 states and 65 transitions. [2021-07-06 15:10:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:37,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-06 15:10:37,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:37,038 INFO L225 Difference]: With dead ends: 54 [2021-07-06 15:10:37,038 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:37,039 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:37,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-07-06 15:10:37,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:37,040 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:37,040 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:37,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:37,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:37,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,045 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,045 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,045 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,046 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,046 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:37,046 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2021-07-06 15:10:37,046 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,046 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,046 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:37,047 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,047 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,047 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,047 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,047 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,047 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,048 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,048 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,048 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,048 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,048 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,048 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,048 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:37,051 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:37,051 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,052 INFO L765 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: true [2021-07-06 15:10:37,052 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-06 15:10:37,052 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:37,052 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (2/8) [2021-07-06 15:10:37,056 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:37,057 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:37,057 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-07-06 15:10:37,061 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:37,061 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-07-06 15:10:37,061 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:37,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:37,062 INFO L82 PathProgramCache]: Analyzing trace with hash 29863780, now seen corresponding path program 1 times [2021-07-06 15:10:37,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:37,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024539114] [2021-07-06 15:10:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:37,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:37,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:37,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:37,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024539114] [2021-07-06 15:10:37,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024539114] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:37,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:37,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-07-06 15:10:37,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952042236] [2021-07-06 15:10:37,099 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:37,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:37,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:37,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,106 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-07-06 15:10:37,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:37,128 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-07-06 15:10:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:37,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2021-07-06 15:10:37,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:37,129 INFO L225 Difference]: With dead ends: 29 [2021-07-06 15:10:37,129 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:37,130 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:37,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-07-06 15:10:37,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:37,130 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:37,131 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-07-06 15:10:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:37,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:37,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:37,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,142 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,142 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,142 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,143 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,143 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:37,143 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,143 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,143 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,143 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:37,143 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,144 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,144 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,145 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,145 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,145 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,146 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,147 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,147 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,147 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,147 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,148 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,148 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:37,148 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:37,149 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,149 INFO L758 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2021-07-06 15:10:37,153 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-06 15:10:37,153 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:37,153 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (3/8) [2021-07-06 15:10:37,155 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:37,158 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:37,159 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-06 15:10:37,161 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:37,161 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-06 15:10:37,161 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:37,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:37,161 INFO L82 PathProgramCache]: Analyzing trace with hash 925777236, now seen corresponding path program 1 times [2021-07-06 15:10:37,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:37,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446301287] [2021-07-06 15:10:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:37,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:37,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:37,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:37,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:37,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446301287] [2021-07-06 15:10:37,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446301287] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:37,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:37,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-06 15:10:37,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829126490] [2021-07-06 15:10:37,185 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:37,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:37,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:37,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,186 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:37,213 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-07-06 15:10:37,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:37,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-06 15:10:37,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:37,214 INFO L225 Difference]: With dead ends: 34 [2021-07-06 15:10:37,214 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:37,215 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:37,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:37,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-07-06 15:10:37,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:37,215 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:37,216 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:37,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:37,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:37,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,227 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,227 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,228 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,228 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,228 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:37,228 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,228 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,228 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,229 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:37,229 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,229 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,229 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,229 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,230 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,230 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,230 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,230 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,231 INFO L758 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2021-07-06 15:10:37,232 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-06 15:10:37,232 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:37,232 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (4/8) [2021-07-06 15:10:37,233 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:37,234 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:37,237 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-07-06 15:10:37,241 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:37,241 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-07-06 15:10:37,242 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:37,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:37,242 INFO L82 PathProgramCache]: Analyzing trace with hash 29879476, now seen corresponding path program 1 times [2021-07-06 15:10:37,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:37,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810131707] [2021-07-06 15:10:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:37,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:37,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:37,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:37,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810131707] [2021-07-06 15:10:37,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810131707] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:37,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:37,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-06 15:10:37,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417622340] [2021-07-06 15:10:37,260 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:37,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:37,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:37,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,261 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:37,285 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-07-06 15:10:37,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:37,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-07-06 15:10:37,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:37,288 INFO L225 Difference]: With dead ends: 29 [2021-07-06 15:10:37,288 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:37,289 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:37,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:37,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-07-06 15:10:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:37,290 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:37,290 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:37,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:37,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:37,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,301 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,302 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,302 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,302 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,302 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:37,302 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,302 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,302 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,302 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,303 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,304 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,304 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,304 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,304 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:37,304 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:37,304 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,304 INFO L758 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2021-07-06 15:10:37,304 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-06 15:10:37,305 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:37,305 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (5/8) [2021-07-06 15:10:37,306 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:37,306 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:37,306 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-06 15:10:37,321 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:37,321 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-06 15:10:37,321 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:37,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:37,322 INFO L82 PathProgramCache]: Analyzing trace with hash 926263822, now seen corresponding path program 1 times [2021-07-06 15:10:37,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:37,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4268560] [2021-07-06 15:10:37,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:37,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:37,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 15:10:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:37,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:37,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4268560] [2021-07-06 15:10:37,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4268560] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:37,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:37,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-07-06 15:10:37,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055698458] [2021-07-06 15:10:37,336 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:37,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:37,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:37,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,337 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:37,357 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-07-06 15:10:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:37,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-06 15:10:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:37,358 INFO L225 Difference]: With dead ends: 29 [2021-07-06 15:10:37,358 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:37,358 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:37,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:37,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-07-06 15:10:37,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:37,359 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:37,359 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:37,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:37,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:37,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,365 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,365 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,366 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,366 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,366 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:37,366 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,366 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,366 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,366 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:37,366 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,367 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,368 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,368 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,368 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:37,368 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:37,368 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,368 INFO L758 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: (and (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,368 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-06 15:10:37,368 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:37,369 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (6/8) [2021-07-06 15:10:37,369 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:37,370 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:37,370 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-07-06 15:10:37,371 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:37,371 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-07-06 15:10:37,371 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:37,371 INFO L82 PathProgramCache]: Analyzing trace with hash 29879668, now seen corresponding path program 1 times [2021-07-06 15:10:37,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:37,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072782116] [2021-07-06 15:10:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:37,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:37,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:37,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:37,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072782116] [2021-07-06 15:10:37,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072782116] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:37,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:37,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-07-06 15:10:37,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025836913] [2021-07-06 15:10:37,383 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:37,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:37,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:37,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,384 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-07-06 15:10:37,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:37,401 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-07-06 15:10:37,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:37,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2021-07-06 15:10:37,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:37,401 INFO L225 Difference]: With dead ends: 29 [2021-07-06 15:10:37,402 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:37,402 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:37,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:37,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-07-06 15:10:37,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:37,403 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:37,403 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-07-06 15:10:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:37,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:37,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:37,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,408 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,409 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,409 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,409 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,409 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:37,409 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,409 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,409 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,409 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,410 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,411 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,411 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,411 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,411 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:37,411 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:37,411 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,411 INFO L758 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: (and (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,411 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-07-06 15:10:37,411 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:37,412 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (7/8) [2021-07-06 15:10:37,412 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW ======== [2021-07-06 15:10:37,413 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-06 15:10:37,413 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-06 15:10:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-07-06 15:10:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-06 15:10:37,414 INFO L517 BasicCegarLoop]: Found error trace [2021-07-06 15:10:37,414 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-06 15:10:37,414 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-07-06 15:10:37,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 15:10:37,414 INFO L82 PathProgramCache]: Analyzing trace with hash 926269780, now seen corresponding path program 1 times [2021-07-06 15:10:37,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 15:10:37,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176279157] [2021-07-06 15:10:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 15:10:37,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 15:10:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 15:10:37,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 15:10:37,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 15:10:37,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 15:10:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 15:10:37,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 15:10:37,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176279157] [2021-07-06 15:10:37,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176279157] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 15:10:37,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 15:10:37,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-06 15:10:37,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131122628] [2021-07-06 15:10:37,427 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-06 15:10:37,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 15:10:37,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 15:10:37,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,428 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.8125) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 15:10:37,450 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-07-06 15:10:37,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 15:10:37,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-06 15:10:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-06 15:10:37,451 INFO L225 Difference]: With dead ends: 34 [2021-07-06 15:10:37,451 INFO L226 Difference]: Without dead ends: 0 [2021-07-06 15:10:37,452 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 15:10:37,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-06 15:10:37,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-06 15:10:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-06 15:10:37,452 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-07-06 15:10:37,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-06 15:10:37,452 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 15:10:37,453 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 15:10:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-06 15:10:37,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-06 15:10:37,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-06 15:10:37,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point L27(lines 27 32) no Hoare annotation was computed. [2021-07-06 15:10:37,457 INFO L758 garLoopResultBuilder]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,457 INFO L762 garLoopResultBuilder]: For program point L19(lines 19 33) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-06 15:10:37,458 INFO L762 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,459 INFO L762 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2021-07-06 15:10:37,459 INFO L762 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,459 INFO L762 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2021-07-06 15:10:37,459 INFO L762 garLoopResultBuilder]: For program point L20(lines 20 25) no Hoare annotation was computed. [2021-07-06 15:10:37,459 INFO L762 garLoopResultBuilder]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2021-07-06 15:10:37,459 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2021-07-06 15:10:37,459 INFO L758 garLoopResultBuilder]: At program point L35(lines 13 36) the Hoare annotation is: (and (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647)) [2021-07-06 15:10:37,459 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-07-06 15:10:37,459 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-06 15:10:37,460 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW was SAFE (8/8) [2021-07-06 15:10:37,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.07 03:10:37 BoogieIcfgContainer [2021-07-06 15:10:37,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-06 15:10:37,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 15:10:37,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 15:10:37,471 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 15:10:37,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 03:10:36" (3/4) ... [2021-07-06 15:10:37,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-06 15:10:37,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-07-06 15:10:37,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-06 15:10:37,499 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 15:10:37,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 15:10:37,500 INFO L168 Benchmark]: Toolchain (without parser) took 1917.20 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 38.7 MB in the beginning and 33.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2021-07-06 15:10:37,500 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 15:10:37,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.07 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 29.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-06 15:10:37,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.58 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 29.5 MB in the beginning and 72.9 MB in the end (delta: -43.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 15:10:37,501 INFO L168 Benchmark]: Boogie Preprocessor took 29.60 ms. Allocated memory is still 90.2 MB. Free memory was 72.9 MB in the beginning and 72.1 MB in the end (delta: 883.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 15:10:37,501 INFO L168 Benchmark]: RCFGBuilder took 290.22 ms. Allocated memory is still 90.2 MB. Free memory was 72.1 MB in the beginning and 60.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 15:10:37,502 INFO L168 Benchmark]: TraceAbstraction took 1345.92 ms. Allocated memory is still 90.2 MB. Free memory was 60.3 MB in the beginning and 35.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-07-06 15:10:37,502 INFO L168 Benchmark]: Witness Printer took 29.39 ms. Allocated memory is still 90.2 MB. Free memory was 35.9 MB in the beginning and 33.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 15:10:37,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 129.07 ms. Allocated memory is still 60.8 MB. Free memory was 38.5 MB in the beginning and 29.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.58 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 29.5 MB in the beginning and 72.9 MB in the end (delta: -43.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.60 ms. Allocated memory is still 90.2 MB. Free memory was 72.9 MB in the beginning and 72.1 MB in the end (delta: 883.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 290.22 ms. Allocated memory is still 90.2 MB. Free memory was 72.1 MB in the beginning and 60.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1345.92 ms. Allocated memory is still 90.2 MB. Free memory was 60.3 MB in the beginning and 35.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 29.39 ms. Allocated memory is still 90.2 MB. Free memory was 35.9 MB in the beginning and 33.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 809.9ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 7.3ms, AutomataDifference: 157.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 20.7ms, InitialAbstractionConstructionTime: 9.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 35 SDtfs, 29 SDslu, 21 SDs, 0 SdLazy, 43 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 76.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 66.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 5.1ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 10.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 8.1ms SsaConstructionTime, 33.4ms SatisfiabilityAnalysisTime, 200.1ms InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 65.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.3ms, AutomataDifference: 33.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4.5ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 27 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 15 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 1.8ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4ms SsaConstructionTime, 2.0ms SatisfiabilityAnalysisTime, 9.5ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 97.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.4ms, AutomataDifference: 29.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10.5ms, InitialAbstractionConstructionTime: 2.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 18 SDtfs, 19 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 5.5ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 4.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.1ms SsaConstructionTime, 9.2ms SatisfiabilityAnalysisTime, 18.1ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 76.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.7ms, AutomataDifference: 29.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11.1ms, InitialAbstractionConstructionTime: 0.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 18 SDslu, 3 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 8.2ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.1ms SsaConstructionTime, 7.6ms SatisfiabilityAnalysisTime, 10.9ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 71.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.2ms, AutomataDifference: 28.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11.1ms, InitialAbstractionConstructionTime: 3.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 9 SDs, 0 SdLazy, 12 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 8.6ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1ms SsaConstructionTime, 4.6ms SatisfiabilityAnalysisTime, 8.2ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 62.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 14.5ms, AutomataDifference: 22.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5.5ms, InitialAbstractionConstructionTime: 0.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 16 SDtfs, 19 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 1.5ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3ms SsaConstructionTime, 1.6ms SatisfiabilityAnalysisTime, 8.9ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 42.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.6ms, AutomataDifference: 19.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5.2ms, InitialAbstractionConstructionTime: 0.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 18 SDtfs, 19 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 1.3ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2ms SsaConstructionTime, 1.4ms SatisfiabilityAnalysisTime, 6.9ms InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 47.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.6ms, AutomataDifference: 24.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3.6ms, InitialAbstractionConstructionTime: 0.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 23 SDtfs, 18 SDslu, 3 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 1.3ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2ms SsaConstructionTime, 1.4ms SatisfiabilityAnalysisTime, 8.0ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 && y <= 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 RESULT: Ultimate proved your program to be correct! [2021-07-06 15:10:37,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...