java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/count_up_down-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:11:24,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:11:24,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:11:24,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:11:24,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:11:24,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:11:24,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:11:24,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:11:24,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:11:24,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:11:24,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:11:24,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:11:24,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:11:24,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:11:24,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:11:24,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:11:24,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:11:24,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:11:24,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:11:24,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:11:24,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:11:24,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:11:24,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:11:24,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:11:24,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:11:24,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:11:24,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:11:24,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:11:24,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:11:24,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:11:24,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:11:24,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:11:24,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:11:24,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:11:24,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:11:24,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:11:24,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:11:24,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:11:24,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:11:24,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:11:24,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:11:24,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-16 16:11:24,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:11:24,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:11:24,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:11:24,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:11:24,576 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:11:24,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:11:24,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:11:24,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:11:24,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:11:24,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:11:24,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:11:24,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:11:24,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:11:24,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:11:24,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:11:24,578 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:11:24,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:11:24,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:11:24,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:11:24,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:11:24,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:11:24,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:11:24,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:11:24,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:11:24,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:11:24,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:11:24,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:11:24,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:11:24,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:11:24,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:11:24,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:11:24,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:11:24,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:11:24,629 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:11:24,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-2.c [2019-09-16 16:11:24,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31a32746b/69dade3d78cd48a3acd82bcc431f634e/FLAG55b1930c5 [2019-09-16 16:11:25,087 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:11:25,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-2.c [2019-09-16 16:11:25,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31a32746b/69dade3d78cd48a3acd82bcc431f634e/FLAG55b1930c5 [2019-09-16 16:11:25,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31a32746b/69dade3d78cd48a3acd82bcc431f634e [2019-09-16 16:11:25,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:11:25,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:11:25,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:11:25,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:11:25,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:11:25,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a31688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25, skipping insertion in model container [2019-09-16 16:11:25,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,568 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:11:25,585 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:11:25,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:11:25,795 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:11:25,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:11:25,833 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:11:25,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25 WrapperNode [2019-09-16 16:11:25,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:11:25,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:11:25,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:11:25,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:11:25,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (1/1) ... [2019-09-16 16:11:25,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:11:25,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:11:25,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:11:25,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:11:25,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (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 [2019-09-16 16:11:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:11:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:11:26,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 16:11:26,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:11:26,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:11:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 16:11:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 16:11:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:11:26,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:11:26,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:11:26,290 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:11:26,290 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 16:11:26,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:11:26 BoogieIcfgContainer [2019-09-16 16:11:26,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:11:26,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:11:26,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:11:26,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:11:26,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:11:25" (1/3) ... [2019-09-16 16:11:26,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:11:26, skipping insertion in model container [2019-09-16 16:11:26,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:11:25" (2/3) ... [2019-09-16 16:11:26,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:11:26, skipping insertion in model container [2019-09-16 16:11:26,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:11:26" (3/3) ... [2019-09-16 16:11:26,301 INFO L109 eAbstractionObserver]: Analyzing ICFG count_up_down-2.c [2019-09-16 16:11:26,309 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:11:26,315 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:11:26,336 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:11:26,368 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:11:26,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:11:26,369 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:11:26,369 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:11:26,369 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:11:26,369 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:11:26,370 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:11:26,370 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:11:26,370 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:11:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-16 16:11:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-16 16:11:26,393 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:11:26,394 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:11:26,397 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:11:26,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:11:26,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-09-16 16:11:26,405 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:11:26,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:11:26,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:26,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:11:26,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:11:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-16 16:11:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-16 16:11:26,544 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-16 16:11:26,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:11:26 BoogieIcfgContainer [2019-09-16 16:11:26,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:11:26,568 INFO L168 Benchmark]: Toolchain (without parser) took 1016.33 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.8 MB in the beginning and 151.9 MB in the end (delta: -65.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 16:11:26,568 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 16:11:26,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.57 ms. Allocated memory is still 139.5 MB. Free memory was 86.8 MB in the beginning and 77.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:26,571 INFO L168 Benchmark]: Boogie Preprocessor took 150.40 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 77.5 MB in the beginning and 177.4 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:26,572 INFO L168 Benchmark]: RCFGBuilder took 307.43 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 165.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:26,573 INFO L168 Benchmark]: TraceAbstraction took 270.66 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 151.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:11:26,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 283.57 ms. Allocated memory is still 139.5 MB. Free memory was 86.8 MB in the beginning and 77.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.40 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 77.5 MB in the beginning and 177.4 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.43 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 165.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 270.66 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 151.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...