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-f4eb214f-m [2019-10-13 19:17:01,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:17:01,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:17:01,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:17:01,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:17:01,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:17:01,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:17:01,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:17:01,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:17:01,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:17:01,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:17:01,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:17:01,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:17:01,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:17:01,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:17:01,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:17:01,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:17:01,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:17:01,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:17:01,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:17:01,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:17:01,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:17:01,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:17:01,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:17:01,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:17:01,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:17:01,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:17:01,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:17:01,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:17:01,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:17:01,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:17:01,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:17:01,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:17:01,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:17:01,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:17:01,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:17:01,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:17:01,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:17:01,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:17:01,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:17:01,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:17:01,374 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 [2019-10-13 19:17:01,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:17:01,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:17:01,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:17:01,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:17:01,406 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:17:01,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:17:01,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:17:01,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:17:01,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:17:01,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:17:01,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:17:01,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:17:01,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:17:01,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:17:01,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:17:01,409 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:17:01,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:17:01,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:17:01,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:17:01,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:17:01,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:17:01,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:17:01,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:17:01,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:17:01,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:17:01,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:17:01,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:17:01,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:17:01,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:17:01,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:17:01,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:17:01,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:17:01,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:17:01,697 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:17:01,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-2.c [2019-10-13 19:17:01,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c5e25a7/f5ecd3ff193f43ada4e49fd707760b1e/FLAG81b639789 [2019-10-13 19:17:02,221 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:17:02,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-2.c [2019-10-13 19:17:02,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c5e25a7/f5ecd3ff193f43ada4e49fd707760b1e/FLAG81b639789 [2019-10-13 19:17:02,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c5e25a7/f5ecd3ff193f43ada4e49fd707760b1e [2019-10-13 19:17:02,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:17:02,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:17:02,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:17:02,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:17:02,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:17:02,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3675282d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02, skipping insertion in model container [2019-10-13 19:17:02,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,621 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:17:02,641 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:17:02,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:17:02,846 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:17:02,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:17:02,883 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:17:02,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02 WrapperNode [2019-10-13 19:17:02,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:17:02,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:17:02,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:17:02,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:17:02,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (1/1) ... [2019-10-13 19:17:02,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:17:02,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:17:02,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:17:02,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:17:02,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (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 [2019-10-13 19:17:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:17:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:17:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 19:17:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:17:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:17:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 19:17:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 19:17:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:17:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:17:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:17:03,204 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:17:03,205 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 19:17:03,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:17:03 BoogieIcfgContainer [2019-10-13 19:17:03,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:17:03,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:17:03,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:17:03,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:17:03,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:17:02" (1/3) ... [2019-10-13 19:17:03,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d0a19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:17:03, skipping insertion in model container [2019-10-13 19:17:03,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:17:02" (2/3) ... [2019-10-13 19:17:03,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d0a19d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:17:03, skipping insertion in model container [2019-10-13 19:17:03,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:17:03" (3/3) ... [2019-10-13 19:17:03,214 INFO L109 eAbstractionObserver]: Analyzing ICFG count_up_down-2.c [2019-10-13 19:17:03,222 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:17:03,228 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:17:03,237 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:17:03,265 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:17:03,266 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:17:03,266 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:17:03,266 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:17:03,266 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:17:03,266 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:17:03,266 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:17:03,267 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:17:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-13 19:17:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-13 19:17:03,287 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:17:03,288 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:17:03,289 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:17:03,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:17:03,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-10-13 19:17:03,302 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:17:03,302 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966835758] [2019-10-13 19:17:03,302 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:17:03,303 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:17:03,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:17:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 19:17:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 19:17:03,420 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-13 19:17:03,421 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-13 19:17:03,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:17:03 BoogieIcfgContainer [2019-10-13 19:17:03,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:17:03,443 INFO L168 Benchmark]: Toolchain (without parser) took 836.10 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 102.9 MB in the beginning and 158.0 MB in the end (delta: -55.2 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:17:03,444 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 19:17:03,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.57 ms. Allocated memory is still 139.5 MB. Free memory was 102.7 MB in the beginning and 93.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-13 19:17:03,447 INFO L168 Benchmark]: Boogie Preprocessor took 111.39 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 93.4 MB in the beginning and 181.8 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:17:03,448 INFO L168 Benchmark]: RCFGBuilder took 209.61 ms. Allocated memory is still 202.9 MB. Free memory was 181.8 MB in the beginning and 170.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-10-13 19:17:03,450 INFO L168 Benchmark]: TraceAbstraction took 232.11 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 158.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-10-13 19:17:03,456 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.57 ms. Allocated memory is still 139.5 MB. Free memory was 102.7 MB in the beginning and 93.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.39 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 93.4 MB in the beginning and 181.8 MB in the end (delta: -88.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.61 ms. Allocated memory is still 202.9 MB. Free memory was 181.8 MB in the beginning and 170.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232.11 ms. Allocated memory is still 202.9 MB. Free memory was 170.9 MB in the beginning and 158.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 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. 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=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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 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, 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...