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/Problem10_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:48:15,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:48:15,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:48:15,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:48:15,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:48:15,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:48:15,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:48:15,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:48:15,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:48:15,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:48:15,781 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:48:15,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:48:15,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:48:15,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:48:15,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:48:15,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:48:15,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:48:15,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:48:15,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:48:15,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:48:15,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:48:15,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:48:15,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:48:15,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:48:15,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:48:15,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:48:15,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:48:15,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:48:15,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:48:15,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:48:15,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:48:15,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:48:15,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:48:15,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:48:15,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:48:15,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:48:15,823 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 [2019-08-14 11:48:15,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:48:15,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:48:15,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:48:15,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:48:15,858 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:48:15,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:48:15,858 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:48:15,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:48:15,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:48:15,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:48:15,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:48:15,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:48:15,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:48:15,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:48:15,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:48:15,861 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:48:15,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:48:15,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:48:15,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:48:15,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:48:15,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:48:15,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:48:15,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:48:15,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:48:15,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:48:15,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:48:15,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:48:15,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:48:15,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:48:15,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:48:15,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:48:15,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:48:15,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:48:15,943 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:48:15,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label12.c [2019-08-14 11:48:16,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/135c97421/ebd67f9e812f4c2098c21a0213b537c5/FLAG61b6fe16b [2019-08-14 11:48:16,590 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:48:16,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label12.c [2019-08-14 11:48:16,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/135c97421/ebd67f9e812f4c2098c21a0213b537c5/FLAG61b6fe16b [2019-08-14 11:48:16,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/135c97421/ebd67f9e812f4c2098c21a0213b537c5 [2019-08-14 11:48:16,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:48:16,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:48:16,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:16,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:48:16,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:48:16,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:16" (1/1) ... [2019-08-14 11:48:16,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567210d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:16, skipping insertion in model container [2019-08-14 11:48:16,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:16" (1/1) ... [2019-08-14 11:48:16,874 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:48:16,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:48:17,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:17,459 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:48:17,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:17,592 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:48:17,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17 WrapperNode [2019-08-14 11:48:17,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:17,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:48:17,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:48:17,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:48:17,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (1/1) ... [2019-08-14 11:48:17,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (1/1) ... [2019-08-14 11:48:17,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (1/1) ... [2019-08-14 11:48:17,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (1/1) ... [2019-08-14 11:48:17,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (1/1) ... [2019-08-14 11:48:17,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (1/1) ... [2019-08-14 11:48:17,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (1/1) ... [2019-08-14 11:48:17,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:48:17,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:48:17,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:48:17,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:48:17,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:17" (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 [2019-08-14 11:48:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:48:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:48:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:48:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:48:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:48:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:48:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:48:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:48:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:48:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:48:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:48:19,081 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:48:19,081 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:48:19,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:19 BoogieIcfgContainer [2019-08-14 11:48:19,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:48:19,083 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:48:19,083 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:48:19,084 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:48:19,084 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:19" (1/1) ... [2019-08-14 11:48:38,314 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:48:38,318 INFO L168 Benchmark]: Toolchain (without parser) took 21459.98 ms. Allocated memory was 140.0 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 85.9 MB in the beginning and 246.1 MB in the end (delta: -160.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-14 11:48:38,321 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:48:38,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.68 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 85.6 MB in the beginning and 168.7 MB in the end (delta: -83.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:38,324 INFO L168 Benchmark]: Boogie Preprocessor took 133.28 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:38,329 INFO L168 Benchmark]: RCFGBuilder took 1355.18 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 164.0 MB in the beginning and 182.6 MB in the end (delta: -18.6 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:38,331 INFO L168 Benchmark]: Symbolic Interpretation took 19231.87 ms. Allocated memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: 945.3 MB). Free memory was 182.6 MB in the beginning and 246.1 MB in the end (delta: -63.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-14 11:48:38,341 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 155629#(and (= ~a10~0 3) (<= ~a1~0 38) (= 14 ~a4~0) (= ~a19~0 6) (= ~a12~0 0) (< 0 (+ ~a1~0 13))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.68 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 85.6 MB in the beginning and 168.7 MB in the end (delta: -83.0 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.28 ms. Allocated memory is still 203.4 MB. Free memory was 168.7 MB in the beginning and 164.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1355.18 ms. Allocated memory was 203.4 MB in the beginning and 228.1 MB in the end (delta: 24.6 MB). Free memory was 164.0 MB in the beginning and 182.6 MB in the end (delta: -18.6 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 19231.87 ms. Allocated memory was 228.1 MB in the beginning and 1.2 GB in the end (delta: 945.3 MB). Free memory was 182.6 MB in the beginning and 246.1 MB in the end (delta: -63.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...