/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/count_up_down-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:25:12,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:25:12,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:25:12,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-24 04:25:12,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:25:12,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:25:12,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:25:12,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:25:12,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:25:12,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:25:12,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:25:12,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:25:12,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:25:12,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:25:12,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:25:12,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:25:12,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:25:12,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:25:12,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:25:12,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:25:12,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:25:12,949 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:25:12,949 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:25:12,949 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:25:12,949 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:25:12,950 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:25:12,950 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:25:12,950 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:25:12,951 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:25:12,951 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:25:12,952 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:25:12,952 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:25:12,952 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:25:12,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:25:12,954 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:25:12,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:25:12,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:25:12,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:25:12,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:25:12,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:25:12,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:25:12,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:25:12,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:25:12,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:25:12,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:25:12,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:25:12,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:25:12,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:25:12,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:25:12,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:25:12,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:25:12,959 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:25:12,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:25:12,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:25:12,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:25:12,960 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:25:13,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:25:13,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:25:13,239 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:25:13,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:25:13,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:25:13,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-2.c [2019-11-24 04:25:13,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630f50f68/45cbb20ff9744d97b002b1cb9eab21c7/FLAG7bcfc57cb [2019-11-24 04:25:13,700 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:25:13,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-2.c [2019-11-24 04:25:13,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630f50f68/45cbb20ff9744d97b002b1cb9eab21c7/FLAG7bcfc57cb [2019-11-24 04:25:14,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/630f50f68/45cbb20ff9744d97b002b1cb9eab21c7 [2019-11-24 04:25:14,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:25:14,139 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:25:14,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:25:14,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:25:14,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:25:14,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e90e1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14, skipping insertion in model container [2019-11-24 04:25:14,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:25:14,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:25:14,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:25:14,319 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:25:14,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:25:14,348 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:25:14,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14 WrapperNode [2019-11-24 04:25:14,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:25:14,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:25:14,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:25:14,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:25:14,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:25:14,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:25:14,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:25:14,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:25:14,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (1/1) ... [2019-11-24 04:25:14,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:25:14,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:25:14,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:25:14,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:25:14,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (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 [2019-11-24 04:25:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:25:14,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:25:14,746 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:25:14,746 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 04:25:14,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:25:14 BoogieIcfgContainer [2019-11-24 04:25:14,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:25:14,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:25:14,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:25:14,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:25:14,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:25:14" (1/3) ... [2019-11-24 04:25:14,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c4a1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:25:14, skipping insertion in model container [2019-11-24 04:25:14,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:25:14" (2/3) ... [2019-11-24 04:25:14,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c4a1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:25:14, skipping insertion in model container [2019-11-24 04:25:14,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:25:14" (3/3) ... [2019-11-24 04:25:14,756 INFO L109 eAbstractionObserver]: Analyzing ICFG count_up_down-2.c [2019-11-24 04:25:14,784 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:25:14,806 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:25:14,834 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:25:14,868 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:25:14,869 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:25:14,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:25:14,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:25:14,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:25:14,869 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:25:14,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:25:14,869 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:25:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-24 04:25:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:25:14,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:25:14,888 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:25:14,888 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:25:14,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:25:14,893 INFO L82 PathProgramCache]: Analyzing trace with hash 982688, now seen corresponding path program 1 times [2019-11-24 04:25:14,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:25:14,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766543682] [2019-11-24 04:25:14,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:25:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 04:25:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 04:25:15,027 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-24 04:25:15,028 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-24 04:25:15,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:25:15 BoogieIcfgContainer [2019-11-24 04:25:15,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:25:15,049 INFO L168 Benchmark]: Toolchain (without parser) took 908.56 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 103.4 MB in the beginning and 158.0 MB in the end (delta: -54.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:15,050 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 04:25:15,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.78 ms. Allocated memory is still 145.8 MB. Free memory was 103.2 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:15,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.13 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 93.8 MB in the beginning and 182.5 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:15,053 INFO L168 Benchmark]: Boogie Preprocessor took 16.42 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 181.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:15,054 INFO L168 Benchmark]: RCFGBuilder took 269.62 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 169.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:15,055 INFO L168 Benchmark]: TraceAbstraction took 296.79 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 158.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:25:15,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 208.78 ms. Allocated memory is still 145.8 MB. Free memory was 103.2 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 112.13 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 93.8 MB in the beginning and 182.5 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 16.42 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 181.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 269.62 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 169.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 296.79 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 158.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 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; [L15] COND FALSE !(x>0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 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=7occurred 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...