java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:03:09,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:03:09,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:03:09,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:03:09,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:03:09,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:03:09,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:03:09,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:03:09,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:03:09,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:03:09,818 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:03:09,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:03:09,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:03:09,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:03:09,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:03:09,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:03:09,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:03:09,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:03:09,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:03:09,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:03:09,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:03:09,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:03:09,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:03:09,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:03:09,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:03:09,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:03:09,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:03:09,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:03:09,852 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 [2019-08-08 11:03:09,868 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:03:09,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:03:09,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:03:09,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:03:09,870 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:03:09,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:03:09,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:03:09,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:03:09,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:03:09,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:03:09,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:03:09,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:03:09,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:03:09,872 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:03:09,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:03:09,872 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:03:09,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:03:09,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:03:09,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:03:09,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:03:09,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:03:09,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:03:09,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:03:09,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:03:09,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:03:09,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:03:09,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:03:09,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:03:09,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:03:09,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:03:09,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:03:09,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:03:09,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:03:09,921 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:03:09,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label18.c [2019-08-08 11:03:09,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef226b4e0/06ac17e863694b94849f42ece3a34ccc/FLAGa28b4f372 [2019-08-08 11:03:10,684 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:03:10,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label18.c [2019-08-08 11:03:10,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef226b4e0/06ac17e863694b94849f42ece3a34ccc/FLAGa28b4f372 [2019-08-08 11:03:10,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef226b4e0/06ac17e863694b94849f42ece3a34ccc [2019-08-08 11:03:10,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:03:10,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:03:10,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:03:10,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:03:10,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:03:10,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:03:10" (1/1) ... [2019-08-08 11:03:10,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1638290a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:10, skipping insertion in model container [2019-08-08 11:03:10,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:03:10" (1/1) ... [2019-08-08 11:03:10,839 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:03:10,952 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:03:12,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:03:12,189 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:03:12,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:03:12,581 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:03:12,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12 WrapperNode [2019-08-08 11:03:12,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:03:12,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:03:12,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:03:12,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:03:12,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (1/1) ... [2019-08-08 11:03:12,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (1/1) ... [2019-08-08 11:03:12,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (1/1) ... [2019-08-08 11:03:12,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (1/1) ... [2019-08-08 11:03:12,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (1/1) ... [2019-08-08 11:03:12,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (1/1) ... [2019-08-08 11:03:12,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (1/1) ... [2019-08-08 11:03:12,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:03:12,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:03:12,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:03:12,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:03:12,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:12" (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 [2019-08-08 11:03:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:03:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:03:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:03:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:03:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:03:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:03:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:03:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:03:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:03:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:03:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:03:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:03:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:03:20,411 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:03:20,412 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:03:20,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:03:20 BoogieIcfgContainer [2019-08-08 11:03:20,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:03:20,414 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:03:20,414 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:03:20,416 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:03:20,417 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:03:20" (1/1) ... [2019-08-08 11:03:20,428 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:03:20,430 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:03:20,442 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:03:20,450 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:03:20,451 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:03:20,501 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 11:03:42,705 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 89 [2019-08-08 11:03:43,322 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:03:43,323 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:03:43,325 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 687623#(and (< 300 ~a28~0) (= ~a24~0 1) (< 0 (+ ~a26~0 68)) (<= ~a26~0 124) (<= ~a21~0 127) (<= (+ ~a14~0 182) 0)) [2019-08-08 11:03:43,326 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:03:43,333 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:03:43,336 INFO L168 Benchmark]: Toolchain (without parser) took 32512.84 ms. Allocated memory was 140.0 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 79.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:03:43,337 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:03:43,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1759.11 ms. Allocated memory was 140.0 MB in the beginning and 237.0 MB in the end (delta: 97.0 MB). Free memory was 79.2 MB in the beginning and 151.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:03:43,339 INFO L168 Benchmark]: Boogie Preprocessor took 242.10 ms. Allocated memory is still 237.0 MB. Free memory was 151.5 MB in the beginning and 132.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-08-08 11:03:43,340 INFO L168 Benchmark]: RCFGBuilder took 7588.64 ms. Allocated memory was 237.0 MB in the beginning and 352.3 MB in the end (delta: 115.3 MB). Free memory was 132.0 MB in the beginning and 236.5 MB in the end (delta: -104.5 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2019-08-08 11:03:43,341 INFO L168 Benchmark]: Symbolic Interpretation took 22919.47 ms. Allocated memory was 352.3 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 236.5 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-08-08 11:03:43,346 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 173]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1759.11 ms. Allocated memory was 140.0 MB in the beginning and 237.0 MB in the end (delta: 97.0 MB). Free memory was 79.2 MB in the beginning and 151.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 42.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 242.10 ms. Allocated memory is still 237.0 MB. Free memory was 151.5 MB in the beginning and 132.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7588.64 ms. Allocated memory was 237.0 MB in the beginning and 352.3 MB in the end (delta: 115.3 MB). Free memory was 132.0 MB in the beginning and 236.5 MB in the end (delta: -104.5 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 22919.47 ms. Allocated memory was 352.3 MB in the beginning and 1.9 GB in the end (delta: 1.5 GB). Free memory was 236.5 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...