./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.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 4d735b86941b4b144f047f65c32e604089b6d2a0 ........................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:18:07,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:18:07,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:18:07,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:18:07,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:18:07,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:18:07,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:18:07,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:18:07,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:18:07,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:18:07,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:18:07,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:18:07,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:18:07,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:18:07,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:18:07,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:18:07,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:18:07,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:18:07,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:18:07,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:18:07,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:18:07,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:18:07,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:18:07,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:18:07,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:18:07,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:18:07,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:18:07,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:18:07,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:18:07,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:18:07,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:18:07,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:18:07,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:18:07,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:18:07,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:18:07,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:18:07,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:18:07,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:18:07,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:18:07,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:18:07,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:18:07,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-19 22:18:07,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:18:07,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:18:07,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:18:07,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:18:07,612 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:18:07,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:18:07,613 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:18:07,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:18:07,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:18:07,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:18:07,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:18:07,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:18:07,617 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 22:18:07,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:18:07,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:18:07,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:18:07,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:18:07,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:18:07,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:18:07,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:18:07,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:18:07,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:18:07,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:18:07,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:18:07,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:18:07,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:18:07,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:18:07,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 4d735b86941b4b144f047f65c32e604089b6d2a0 [2019-11-19 22:18:07,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:18:07,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:18:07,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:18:07,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:18:07,938 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:18:07,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c [2019-11-19 22:18:08,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d807f7c/4cb1dddb3716479aa4e5c1cef1f0ca90/FLAGd796a4c31 [2019-11-19 22:18:08,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:18:08,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c [2019-11-19 22:18:08,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d807f7c/4cb1dddb3716479aa4e5c1cef1f0ca90/FLAGd796a4c31 [2019-11-19 22:18:08,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d807f7c/4cb1dddb3716479aa4e5c1cef1f0ca90 [2019-11-19 22:18:08,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:18:08,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:18:08,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:18:08,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:18:08,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:18:08,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:08" (1/1) ... [2019-11-19 22:18:08,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718b2f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:08, skipping insertion in model container [2019-11-19 22:18:08,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:08" (1/1) ... [2019-11-19 22:18:09,006 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:18:09,028 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:18:09,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:18:09,217 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:18:09,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:18:09,251 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:18:09,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09 WrapperNode [2019-11-19 22:18:09,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:18:09,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:18:09,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:18:09,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:18:09,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:18:09,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:18:09,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:18:09,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:18:09,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... [2019-11-19 22:18:09,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:18:09,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:18:09,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:18:09,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:18:09,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:18:09,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:18:09,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:18:09,698 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:18:09,699 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:18:09,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:09 BoogieIcfgContainer [2019-11-19 22:18:09,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:18:09,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:18:09,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:18:09,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:18:09,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:18:08" (1/3) ... [2019-11-19 22:18:09,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d4b3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:09, skipping insertion in model container [2019-11-19 22:18:09,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:09" (2/3) ... [2019-11-19 22:18:09,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d4b3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:09, skipping insertion in model container [2019-11-19 22:18:09,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:09" (3/3) ... [2019-11-19 22:18:09,710 INFO L109 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-aaron4.c [2019-11-19 22:18:09,722 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:18:09,733 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2019-11-19 22:18:09,760 INFO L249 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2019-11-19 22:18:09,803 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:18:09,804 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:18:09,804 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:18:09,804 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:18:09,804 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:18:09,805 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:18:09,805 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:18:09,805 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:18:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-11-19 22:18:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 22:18:09,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:18:09,832 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-19 22:18:09,833 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 22:18:09,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:18:09,838 INFO L82 PathProgramCache]: Analyzing trace with hash 959367, now seen corresponding path program 1 times [2019-11-19 22:18:09,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:18:09,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224097820] [2019-11-19 22:18:09,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:18:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:18:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:18:09,972 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:18:09,973 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 22:18:09,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:18:09 BoogieIcfgContainer [2019-11-19 22:18:09,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:18:09,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:18:09,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:18:09,998 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:18:09,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:09" (3/4) ... [2019-11-19 22:18:10,002 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 22:18:10,044 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:18:10,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:18:10,047 INFO L168 Benchmark]: Toolchain (without parser) took 1056.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:10,048 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:18:10,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.87 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:10,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:10,051 INFO L168 Benchmark]: Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:18:10,052 INFO L168 Benchmark]: RCFGBuilder took 330.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:10,052 INFO L168 Benchmark]: TraceAbstraction took 294.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:10,053 INFO L168 Benchmark]: Witness Printer took 47.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:18:10,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.87 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 330.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 294.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, an, bn, tk; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] an = __VERIFIER_nondet_int() [L19] bn = __VERIFIER_nondet_int() [L20] tk = __VERIFIER_nondet_int() [L21] ((an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j)) && k >= tk + 1 [L21] tk + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 10 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...