./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5fbdf5bf 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/AliasDarteFeautrierGonnord-SAS2010-complex.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 9f16087843ad8a83da47d6a6a4e9d674fa79150d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 22:07:41,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 22:07:41,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 22:07:41,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 22:07:41,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 22:07:41,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 22:07:41,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 22:07:41,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 22:07:41,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 22:07:41,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 22:07:41,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 22:07:41,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 22:07:41,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 22:07:41,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 22:07:41,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 22:07:41,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 22:07:41,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 22:07:41,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 22:07:41,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 22:07:41,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 22:07:41,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 22:07:41,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 22:07:41,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 22:07:41,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 22:07:41,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 22:07:41,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 22:07:41,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 22:07:41,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 22:07:41,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 22:07:41,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 22:07:41,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 22:07:41,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 22:07:41,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 22:07:41,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 22:07:41,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 22:07:41,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 22:07:41,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 22:07:41,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 22:07:41,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 22:07:41,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 22:07:41,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 22:07:41,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-08-30 22:07:41,842 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 22:07:41,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 22:07:41,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 22:07:41,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 22:07:41,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 22:07:41,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 22:07:41,844 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 22:07:41,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 22:07:41,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 22:07:41,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 22:07:41,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 22:07:41,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 22:07:41,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 22:07:41,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 22:07:41,845 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-30 22:07:41,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 22:07:41,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 22:07:41,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 22:07:41,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 22:07:41,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 22:07:41,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 22:07:41,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:07:41,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 22:07:41,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 22:07:41,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 22:07:41,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 22:07:41,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 22:07:41,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 22:07:41,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 22:07:41,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2021-08-30 22:07:42,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 22:07:42,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 22:07:42,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 22:07:42,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 22:07:42,134 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 22:07:42,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-08-30 22:07:42,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de51e2155/da26174145fe41fb8cfb55e9e20c201b/FLAG4824d2b15 [2021-08-30 22:07:42,480 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 22:07:42,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-08-30 22:07:42,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de51e2155/da26174145fe41fb8cfb55e9e20c201b/FLAG4824d2b15 [2021-08-30 22:07:42,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de51e2155/da26174145fe41fb8cfb55e9e20c201b [2021-08-30 22:07:42,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 22:07:42,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 22:07:42,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 22:07:42,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 22:07:42,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 22:07:42,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:07:42" (1/1) ... [2021-08-30 22:07:42,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25647b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:42, skipping insertion in model container [2021-08-30 22:07:42,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:07:42" (1/1) ... [2021-08-30 22:07:42,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 22:07:42,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 22:07:43,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:07:43,083 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 22:07:43,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:07:43,119 INFO L208 MainTranslator]: Completed translation [2021-08-30 22:07:43,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43 WrapperNode [2021-08-30 22:07:43,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 22:07:43,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 22:07:43,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 22:07:43,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 22:07:43,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 22:07:43,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 22:07:43,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 22:07:43,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 22:07:43,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 22:07:43,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 22:07:43,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 22:07:43,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 22:07:43,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (1/1) ... [2021-08-30 22:07:43,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:07:43,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:07:43,295 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) [2021-08-30 22:07:43,325 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 [2021-08-30 22:07:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 22:07:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 22:07:43,471 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 22:07:43,471 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-30 22:07:43,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:07:43 BoogieIcfgContainer [2021-08-30 22:07:43,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 22:07:43,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 22:07:43,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 22:07:43,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 22:07:43,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:07:42" (1/3) ... [2021-08-30 22:07:43,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f54f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:07:43, skipping insertion in model container [2021-08-30 22:07:43,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:07:43" (2/3) ... [2021-08-30 22:07:43,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f54f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:07:43, skipping insertion in model container [2021-08-30 22:07:43,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:07:43" (3/3) ... [2021-08-30 22:07:43,479 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-08-30 22:07:43,485 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 22:07:43,485 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-08-30 22:07:43,525 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 22:07:43,531 INFO L339 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, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-30 22:07:43,531 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-08-30 22:07:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 20 states have (on average 1.9) internal successors, (38), 32 states have internal predecessors, (38), 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) [2021-08-30 22:07:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-30 22:07:43,547 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:43,548 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-30 22:07:43,549 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:43,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:43,552 INFO L82 PathProgramCache]: Analyzing trace with hash 964492, now seen corresponding path program 1 times [2021-08-30 22:07:43,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:43,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168283666] [2021-08-30 22:07:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:43,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:43,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:43,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168283666] [2021-08-30 22:07:43,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168283666] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:43,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:43,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-30 22:07:43,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043521730] [2021-08-30 22:07:43,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-30 22:07:43,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:43,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-30 22:07:43,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-30 22:07:43,710 INFO L87 Difference]: Start difference. First operand has 33 states, 20 states have (on average 1.9) internal successors, (38), 32 states have internal predecessors, (38), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:43,775 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2021-08-30 22:07:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-30 22:07:43,777 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-08-30 22:07:43,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:43,782 INFO L225 Difference]: With dead ends: 65 [2021-08-30 22:07:43,782 INFO L226 Difference]: Without dead ends: 29 [2021-08-30 22:07:43,784 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-30 22:07:43,786 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.67ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:43,796 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 36 Unknown, 0 Unchecked, 0.32ms Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 52.67ms Time] [2021-08-30 22:07:43,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-08-30 22:07:43,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-08-30 22:07:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 28 states have internal predecessors, (32), 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) [2021-08-30 22:07:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2021-08-30 22:07:43,817 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4 [2021-08-30 22:07:43,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:43,817 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2021-08-30 22:07:43,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:43,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-08-30 22:07:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-30 22:07:43,818 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:43,819 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-30 22:07:43,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 22:07:43,819 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:43,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:43,820 INFO L82 PathProgramCache]: Analyzing trace with hash 963500, now seen corresponding path program 1 times [2021-08-30 22:07:43,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:43,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464204252] [2021-08-30 22:07:43,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:43,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:43,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:43,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464204252] [2021-08-30 22:07:43,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464204252] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:43,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:43,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-30 22:07:43,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749752503] [2021-08-30 22:07:43,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:07:43,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:43,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:07:43,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:43,867 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:43,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:43,963 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2021-08-30 22:07:43,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:07:43,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-08-30 22:07:43,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:43,965 INFO L225 Difference]: With dead ends: 49 [2021-08-30 22:07:43,965 INFO L226 Difference]: Without dead ends: 46 [2021-08-30 22:07:43,965 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:43,966 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.75ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.15ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:43,967 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 65 Unknown, 0 Unchecked, 0.75ms Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 89.15ms Time] [2021-08-30 22:07:43,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-08-30 22:07:43,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2021-08-30 22:07:43,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.8148148148148149) internal successors, (49), 38 states have internal predecessors, (49), 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) [2021-08-30 22:07:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2021-08-30 22:07:43,973 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 4 [2021-08-30 22:07:43,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:43,974 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2021-08-30 22:07:43,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-08-30 22:07:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-30 22:07:43,974 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:43,975 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-30 22:07:43,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 22:07:43,975 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:43,975 INFO L82 PathProgramCache]: Analyzing trace with hash 29868584, now seen corresponding path program 1 times [2021-08-30 22:07:43,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:43,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999270364] [2021-08-30 22:07:43,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:43,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:43,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:43,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999270364] [2021-08-30 22:07:43,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999270364] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:43,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:43,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-30 22:07:43,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446981006] [2021-08-30 22:07:43,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:07:43,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:43,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:07:43,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:43,996 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. 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) [2021-08-30 22:07:44,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:44,041 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-08-30 22:07:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:07:44,041 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 [2021-08-30 22:07:44,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:44,042 INFO L225 Difference]: With dead ends: 39 [2021-08-30 22:07:44,042 INFO L226 Difference]: Without dead ends: 36 [2021-08-30 22:07:44,042 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:44,043 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 22 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.36ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.89ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:44,044 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 0 Invalid, 34 Unknown, 0 Unchecked, 0.36ms Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 40.89ms Time] [2021-08-30 22:07:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-08-30 22:07:44,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-08-30 22:07:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 35 states have internal predecessors, (46), 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) [2021-08-30 22:07:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2021-08-30 22:07:44,047 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 46 transitions. Word has length 5 [2021-08-30 22:07:44,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:44,047 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 46 transitions. [2021-08-30 22:07:44,047 INFO L471 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) [2021-08-30 22:07:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-08-30 22:07:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-30 22:07:44,048 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:44,048 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-30 22:07:44,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-30 22:07:44,048 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:44,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:44,049 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2021-08-30 22:07:44,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:44,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939377553] [2021-08-30 22:07:44,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:44,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:44,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:44,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939377553] [2021-08-30 22:07:44,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939377553] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:44,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:44,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 22:07:44,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582759906] [2021-08-30 22:07:44,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 22:07:44,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:44,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 22:07:44,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 22:07:44,071 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:44,148 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2021-08-30 22:07:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 22:07:44,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-08-30 22:07:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:44,151 INFO L225 Difference]: With dead ends: 55 [2021-08-30 22:07:44,151 INFO L226 Difference]: Without dead ends: 51 [2021-08-30 22:07:44,152 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-30 22:07:44,161 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 32 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.97ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.32ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:44,162 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 0 Invalid, 103 Unknown, 0 Unchecked, 0.97ms Time], IncrementalHoareTripleChecker [15 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 60.32ms Time] [2021-08-30 22:07:44,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-08-30 22:07:44,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2021-08-30 22:07:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 43 states have internal predecessors, (56), 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) [2021-08-30 22:07:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2021-08-30 22:07:44,167 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 5 [2021-08-30 22:07:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:44,167 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2021-08-30 22:07:44,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-08-30 22:07:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-30 22:07:44,168 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:44,168 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-30 22:07:44,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-30 22:07:44,168 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:44,169 INFO L82 PathProgramCache]: Analyzing trace with hash 925926190, now seen corresponding path program 1 times [2021-08-30 22:07:44,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:44,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468549129] [2021-08-30 22:07:44,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:44,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:44,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:44,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:44,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468549129] [2021-08-30 22:07:44,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468549129] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:44,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:44,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-30 22:07:44,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789278888] [2021-08-30 22:07:44,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:07:44,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:44,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:07:44,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:44,188 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:44,220 INFO L93 Difference]: Finished difference Result 53 states and 68 transitions. [2021-08-30 22:07:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:07:44,221 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 [2021-08-30 22:07:44,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:44,221 INFO L225 Difference]: With dead ends: 53 [2021-08-30 22:07:44,221 INFO L226 Difference]: Without dead ends: 52 [2021-08-30 22:07:44,222 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:44,222 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.33ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.38ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:44,223 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 0 Invalid, 50 Unknown, 0 Unchecked, 0.33ms Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 27.38ms Time] [2021-08-30 22:07:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-08-30 22:07:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2021-08-30 22:07:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 43 states have internal predecessors, (56), 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) [2021-08-30 22:07:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2021-08-30 22:07:44,227 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 6 [2021-08-30 22:07:44,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:44,227 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2021-08-30 22:07:44,228 INFO L471 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) [2021-08-30 22:07:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-08-30 22:07:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-30 22:07:44,228 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:44,228 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-30 22:07:44,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-30 22:07:44,229 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:44,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:44,229 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2021-08-30 22:07:44,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:44,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570056075] [2021-08-30 22:07:44,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:44,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:44,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:44,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570056075] [2021-08-30 22:07:44,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570056075] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:44,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:44,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-30 22:07:44,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170918514] [2021-08-30 22:07:44,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:07:44,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:44,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:07:44,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:44,256 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. 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) [2021-08-30 22:07:44,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:44,300 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2021-08-30 22:07:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:07:44,304 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 [2021-08-30 22:07:44,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:44,304 INFO L225 Difference]: With dead ends: 103 [2021-08-30 22:07:44,304 INFO L226 Difference]: Without dead ends: 60 [2021-08-30 22:07:44,305 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:44,305 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 16 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.39ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.23ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:44,309 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 0 Invalid, 58 Unknown, 0 Unchecked, 0.39ms Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 39.23ms Time] [2021-08-30 22:07:44,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-08-30 22:07:44,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2021-08-30 22:07:44,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 57 states have internal predecessors, (74), 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) [2021-08-30 22:07:44,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2021-08-30 22:07:44,314 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 6 [2021-08-30 22:07:44,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:44,314 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2021-08-30 22:07:44,314 INFO L471 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) [2021-08-30 22:07:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2021-08-30 22:07:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-08-30 22:07:44,315 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:44,315 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-08-30 22:07:44,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-30 22:07:44,315 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:44,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:44,316 INFO L82 PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times [2021-08-30 22:07:44,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:44,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317023299] [2021-08-30 22:07:44,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:44,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 22:07:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 22:07:44,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 22:07:44,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317023299] [2021-08-30 22:07:44,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317023299] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 22:07:44,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 22:07:44,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-30 22:07:44,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018172741] [2021-08-30 22:07:44,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 22:07:44,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 22:07:44,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 22:07:44,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:44,331 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 22:07:44,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 22:07:44,357 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2021-08-30 22:07:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 22:07:44,358 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 [2021-08-30 22:07:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 22:07:44,361 INFO L225 Difference]: With dead ends: 58 [2021-08-30 22:07:44,361 INFO L226 Difference]: Without dead ends: 57 [2021-08-30 22:07:44,361 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 22:07:44,363 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.19ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.87ms IncrementalHoareTripleChecker+Time [2021-08-30 22:07:44,363 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 29 Unknown, 0 Unchecked, 0.19ms Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 16.87ms Time] [2021-08-30 22:07:44,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-08-30 22:07:44,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-08-30 22:07:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 51 states have (on average 1.411764705882353) internal successors, (72), 56 states have internal predecessors, (72), 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) [2021-08-30 22:07:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2021-08-30 22:07:44,376 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 6 [2021-08-30 22:07:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 22:07:44,377 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2021-08-30 22:07:44,377 INFO L471 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) [2021-08-30 22:07:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-08-30 22:07:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-30 22:07:44,377 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 22:07:44,377 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-30 22:07:44,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-30 22:07:44,378 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-08-30 22:07:44,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 22:07:44,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1361059094, now seen corresponding path program 1 times [2021-08-30 22:07:44,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 22:07:44,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095001323] [2021-08-30 22:07:44,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 22:07:44,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 22:07:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 22:07:44,390 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-30 22:07:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 22:07:44,402 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-30 22:07:44,403 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-30 22:07:44,403 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2021-08-30 22:07:44,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2021-08-30 22:07:44,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2021-08-30 22:07:44,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2021-08-30 22:07:44,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2021-08-30 22:07:44,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2021-08-30 22:07:44,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2021-08-30 22:07:44,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2021-08-30 22:07:44,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2021-08-30 22:07:44,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2021-08-30 22:07:44,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2021-08-30 22:07:44,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2021-08-30 22:07:44,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-30 22:07:44,411 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 22:07:44,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 10:07:44 BoogieIcfgContainer [2021-08-30 22:07:44,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 22:07:44,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 22:07:44,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 22:07:44,421 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 22:07:44,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:07:43" (3/4) ... [2021-08-30 22:07:44,422 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-30 22:07:44,439 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 22:07:44,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 22:07:44,439 INFO L158 Benchmark]: Toolchain (without parser) took 1495.88ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 46.0MB in the beginning and 37.5MB in the end (delta: 8.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-08-30 22:07:44,440 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:07:44,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.51ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 37.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-30 22:07:44,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.41ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 35.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:07:44,440 INFO L158 Benchmark]: Boogie Preprocessor took 59.78ms. Allocated memory is still 65.0MB. Free memory was 35.9MB in the beginning and 48.8MB in the end (delta: -12.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 22:07:44,441 INFO L158 Benchmark]: RCFGBuilder took 263.53ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 40.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-30 22:07:44,441 INFO L158 Benchmark]: TraceAbstraction took 945.38ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.3MB in the beginning and 39.0MB in the end (delta: 1.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-08-30 22:07:44,441 INFO L158 Benchmark]: Witness Printer took 18.62ms. Allocated memory is still 79.7MB. Free memory was 39.0MB in the beginning and 37.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:07:44,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.51ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 37.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.41ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 35.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.78ms. Allocated memory is still 65.0MB. Free memory was 35.9MB in the beginning and 48.8MB in the end (delta: -12.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 263.53ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 40.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 945.38ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.3MB in the beginning and 39.0MB in the end (delta: 1.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Witness Printer took 18.62ms. Allocated memory is still 79.7MB. Free memory was 39.0MB in the beginning and 37.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 886.23ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 8.77ms, AutomataDifference: 482.12ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 9.22ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 326.50ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 254.16ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 337 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 0 mSDtfsCounter, 337 mSolverCounterSat, 3.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.04ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 44.15ms AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.13ms SsaConstructionTime, 48.32ms SatisfiabilityAnalysisTime, 144.02ms InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 RESULT: Ultimate proved your program to be incorrect! [2021-08-30 22:07:44,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...