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/bitvector-regression/implicitunsignedconversion-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 12:54:24,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 12:54:24,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 12:54:24,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-07 12:54:24,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-07 12:54:24,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-07 12:54:24,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-07 12:54:24,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-07 12:54:24,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-07 12:54:24,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-07 12:54:24,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-07 12:54:24,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-07 12:54:24,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 12:54:24,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 12:54:24,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 12:54:24,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 12:54:24,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 12:54:24,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 12:54:24,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 12:54:24,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 12:54:24,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 12:54:24,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 12:54:24,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 12:54:24,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 12:54:24,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 12:54:24,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-07 12:54:24,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-07 12:54:24,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-07 12:54:24,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-07 12:54:24,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-07 12:54:24,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-07 12:54:24,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-07 12:54:24,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-07 12:54:24,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 12:54:24,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 12:54:24,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 12:54:24,961 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 [2019-09-07 12:54:24,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 12:54:24,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 12:54:24,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 12:54:25,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 12:54:25,000 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 12:54:25,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 12:54:25,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 12:54:25,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 12:54:25,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 12:54:25,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 12:54:25,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 12:54:25,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 12:54:25,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 12:54:25,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 12:54:25,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 12:54:25,005 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 12:54:25,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 12:54:25,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 12:54:25,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 12:54:25,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 12:54:25,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 12:54:25,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 12:54:25,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 12:54:25,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 12:54:25,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 12:54:25,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 12:54:25,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 12:54:25,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 12:54:25,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 12:54:25,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 12:54:25,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 12:54:25,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 12:54:25,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 12:54:25,060 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 12:54:25,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2019-09-07 12:54:25,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff7aa9eb/49b2bc5a18f144dea5b57070783a454d/FLAG6bab26fc6 [2019-09-07 12:54:25,557 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 12:54:25,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2019-09-07 12:54:25,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff7aa9eb/49b2bc5a18f144dea5b57070783a454d/FLAG6bab26fc6 [2019-09-07 12:54:25,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff7aa9eb/49b2bc5a18f144dea5b57070783a454d [2019-09-07 12:54:25,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 12:54:25,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 12:54:25,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 12:54:25,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 12:54:25,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 12:54:25,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:25,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20809c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25, skipping insertion in model container [2019-09-07 12:54:25,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:25,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 12:54:25,626 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 12:54:25,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 12:54:25,855 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 12:54:25,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 12:54:25,886 INFO L192 MainTranslator]: Completed translation [2019-09-07 12:54:25,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25 WrapperNode [2019-09-07 12:54:25,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 12:54:25,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 12:54:25,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 12:54:25,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 12:54:26,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:26,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:26,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:26,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:26,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:26,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:26,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (1/1) ... [2019-09-07 12:54:26,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 12:54:26,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 12:54:26,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 12:54:26,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 12:54:26,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (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 [2019-09-07 12:54:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 12:54:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 12:54:26,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 12:54:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 12:54:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 12:54:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 12:54:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 12:54:26,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 12:54:26,215 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-07 12:54:26,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:54:26 BoogieIcfgContainer [2019-09-07 12:54:26,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 12:54:26,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 12:54:26,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 12:54:26,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 12:54:26,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 12:54:25" (1/3) ... [2019-09-07 12:54:26,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ed35cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 12:54:26, skipping insertion in model container [2019-09-07 12:54:26,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 12:54:25" (2/3) ... [2019-09-07 12:54:26,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ed35cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 12:54:26, skipping insertion in model container [2019-09-07 12:54:26,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 12:54:26" (3/3) ... [2019-09-07 12:54:26,224 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-1.c [2019-09-07 12:54:26,233 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 12:54:26,240 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 12:54:26,256 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 12:54:26,284 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 12:54:26,285 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 12:54:26,285 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 12:54:26,285 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 12:54:26,285 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 12:54:26,285 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 12:54:26,285 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 12:54:26,286 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 12:54:26,286 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 12:54:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-09-07 12:54:26,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-09-07 12:54:26,307 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 12:54:26,308 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-09-07 12:54:26,310 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 12:54:26,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 12:54:26,315 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2019-09-07 12:54:26,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 12:54:26,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 12:54:26,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:54:26,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 12:54:26,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 12:54:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-07 12:54:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-07 12:54:26,433 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-07 12:54:26,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 12:54:26 BoogieIcfgContainer [2019-09-07 12:54:26,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-07 12:54:26,452 INFO L168 Benchmark]: Toolchain (without parser) took 860.17 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 89.3 MB in the beginning and 156.0 MB in the end (delta: -66.7 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:26,453 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-07 12:54:26,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.20 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 80.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:26,455 INFO L168 Benchmark]: Boogie Preprocessor took 148.63 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 80.2 MB in the beginning and 177.9 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:26,456 INFO L168 Benchmark]: RCFGBuilder took 179.97 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 168.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:26,457 INFO L168 Benchmark]: TraceAbstraction took 232.26 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 156.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-07 12:54:26,463 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 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.20 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 80.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.63 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 80.2 MB in the beginning and 177.9 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 179.97 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 168.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232.26 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 156.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] unsigned int plus_one = 1; [L5] int minus_one = -1; VAL [minus_one=-1, plus_one=1] [L7] COND TRUE plus_one < minus_one VAL [minus_one=-1, plus_one=1] [L12] __VERIFIER_error() VAL [minus_one=-1, plus_one=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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...