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/loop-acceleration/simple_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 19:39:18,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 19:39:18,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 19:39:18,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 19:39:18,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 19:39:18,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 19:39:18,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 19:39:18,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 19:39:18,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 19:39:18,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 19:39:18,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 19:39:18,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 19:39:18,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 19:39:18,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 19:39:18,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 19:39:18,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 19:39:18,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 19:39:18,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 19:39:18,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 19:39:18,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 19:39:18,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 19:39:18,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 19:39:18,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 19:39:18,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 19:39:18,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 19:39:18,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 19:39:18,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 19:39:18,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 19:39:18,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 19:39:18,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 19:39:18,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 19:39:18,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 19:39:18,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 19:39:18,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 19:39:18,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 19:39:18,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 19:39:18,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 19:39:18,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 19:39:18,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 19:39:18,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 19:39:18,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 19:39:18,865 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 [2019-09-03 19:39:18,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 19:39:18,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 19:39:18,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 19:39:18,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 19:39:18,892 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 19:39:18,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 19:39:18,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 19:39:18,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 19:39:18,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 19:39:18,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 19:39:18,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 19:39:18,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 19:39:18,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 19:39:18,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 19:39:18,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 19:39:18,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 19:39:18,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 19:39:18,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 19:39:18,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 19:39:18,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 19:39:18,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 19:39:18,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-03 19:39:18,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 19:39:18,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 19:39:18,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 19:39:18,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 19:39:18,952 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 19:39:18,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2019-09-03 19:39:19,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe5c8d01/7bacd8f6d62b4a92b8f6869fdc066797/FLAGf936ac712 [2019-09-03 19:39:19,371 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 19:39:19,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2019-09-03 19:39:19,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe5c8d01/7bacd8f6d62b4a92b8f6869fdc066797/FLAGf936ac712 [2019-09-03 19:39:19,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe5c8d01/7bacd8f6d62b4a92b8f6869fdc066797 [2019-09-03 19:39:19,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 19:39:19,766 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 19:39:19,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 19:39:19,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 19:39:19,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 19:39:19,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:39:19" (1/1) ... [2019-09-03 19:39:19,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e94256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:19, skipping insertion in model container [2019-09-03 19:39:19,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:39:19" (1/1) ... [2019-09-03 19:39:19,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 19:39:19,795 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 19:39:19,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:39:20,002 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 19:39:20,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:39:20,037 INFO L192 MainTranslator]: Completed translation [2019-09-03 19:39:20,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20 WrapperNode [2019-09-03 19:39:20,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 19:39:20,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 19:39:20,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 19:39:20,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 19:39:20,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (1/1) ... [2019-09-03 19:39:20,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (1/1) ... [2019-09-03 19:39:20,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (1/1) ... [2019-09-03 19:39:20,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (1/1) ... [2019-09-03 19:39:20,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (1/1) ... [2019-09-03 19:39:20,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (1/1) ... [2019-09-03 19:39:20,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (1/1) ... [2019-09-03 19:39:20,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 19:39:20,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 19:39:20,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 19:39:20,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 19:39:20,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (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 [2019-09-03 19:39:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 19:39:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 19:39:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 19:39:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 19:39:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 19:39:20,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-03 19:39:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 19:39:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 19:39:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 19:39:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 19:39:20,341 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 19:39:20,341 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 19:39:20,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:39:20 BoogieIcfgContainer [2019-09-03 19:39:20,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 19:39:20,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 19:39:20,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 19:39:20,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 19:39:20,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 07:39:19" (1/3) ... [2019-09-03 19:39:20,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f753dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:39:20, skipping insertion in model container [2019-09-03 19:39:20,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:39:20" (2/3) ... [2019-09-03 19:39:20,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f753dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:39:20, skipping insertion in model container [2019-09-03 19:39:20,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:39:20" (3/3) ... [2019-09-03 19:39:20,351 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_2-2.c [2019-09-03 19:39:20,360 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 19:39:20,366 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 19:39:20,377 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 19:39:20,405 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-03 19:39:20,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 19:39:20,406 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-03 19:39:20,406 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 19:39:20,407 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 19:39:20,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 19:39:20,407 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 19:39:20,407 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 19:39:20,407 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 19:39:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-03 19:39:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-03 19:39:20,430 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:39:20,431 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:39:20,432 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:39:20,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:39:20,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-09-03 19:39:20,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:39:20,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:39:20,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:39:20,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:39:20,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:39:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-03 19:39:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-03 19:39:20,552 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-03 19:39:20,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 07:39:20 BoogieIcfgContainer [2019-09-03 19:39:20,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 19:39:20,573 INFO L168 Benchmark]: Toolchain (without parser) took 806.24 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 91.5 MB in the beginning and 153.6 MB in the end (delta: -62.1 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-03 19:39:20,575 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 135.3 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 19:39:20,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.54 ms. Allocated memory is still 135.3 MB. Free memory was 91.3 MB in the beginning and 82.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-03 19:39:20,577 INFO L168 Benchmark]: Boogie Preprocessor took 98.54 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 82.3 MB in the beginning and 176.9 MB in the end (delta: -94.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-03 19:39:20,578 INFO L168 Benchmark]: RCFGBuilder took 205.40 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 166.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-03 19:39:20,579 INFO L168 Benchmark]: TraceAbstraction took 227.03 ms. Allocated memory is still 199.8 MB. Free memory was 166.4 MB in the beginning and 153.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-03 19:39:20,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 135.3 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.54 ms. Allocated memory is still 135.3 MB. Free memory was 91.3 MB in the beginning and 82.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.54 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 82.3 MB in the beginning and 176.9 MB in the end (delta: -94.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 205.40 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 166.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227.03 ms. Allocated memory is still 199.8 MB. Free memory was 166.4 MB in the beginning and 153.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x = __VERIFIER_nondet_uint(); [L14] COND FALSE !(x < 0x0fffffff) VAL [x=268435455] [L18] CALL __VERIFIER_assert(x > 0x0fffffff) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s 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...