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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:38:47,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:38:47,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:38:47,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:38:47,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:38:47,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:38:47,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:38:47,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:38:47,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:38:47,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:38:47,765 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:38:47,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:38:47,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:38:47,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:38:47,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:38:47,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:38:47,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:38:47,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:38:47,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:38:47,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:38:47,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:38:47,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:38:47,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:38:47,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:38:47,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 17:38:47,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:38:47,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:38:47,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:38:47,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:38:47,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:38:47,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:38:47,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:38:47,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:38:47,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:38:47,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:38:47,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:38:47,792 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 [2019-08-09 17:38:47,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:38:47,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:38:47,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:38:47,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:38:47,809 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:38:47,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:38:47,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:38:47,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:38:47,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:38:47,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:38:47,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:38:47,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:38:47,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:38:47,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:38:47,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:38:47,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:38:47,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:38:47,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:38:47,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:38:47,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:38:47,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:38:47,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:38:47,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:38:47,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:38:47,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:38:47,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:38:47,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:38:47,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:38:47,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:38:47,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:38:47,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:38:47,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:38:47,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:38:47,865 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:38:47,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2019-08-09 17:38:47,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9d9af7d/cbfffb9982994d01800ec678850dd803/FLAGc6fd2c5bd [2019-08-09 17:38:48,483 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:38:48,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2019-08-09 17:38:48,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9d9af7d/cbfffb9982994d01800ec678850dd803/FLAGc6fd2c5bd [2019-08-09 17:38:48,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed9d9af7d/cbfffb9982994d01800ec678850dd803 [2019-08-09 17:38:48,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:38:48,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:38:48,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:48,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:38:48,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:38:48,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:48" (1/1) ... [2019-08-09 17:38:48,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114eef50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:48, skipping insertion in model container [2019-08-09 17:38:48,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:38:48" (1/1) ... [2019-08-09 17:38:48,771 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:38:48,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:38:49,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:49,332 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:38:49,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:38:49,582 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:38:49,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49 WrapperNode [2019-08-09 17:38:49,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:38:49,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:38:49,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:38:49,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:38:49,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (1/1) ... [2019-08-09 17:38:49,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (1/1) ... [2019-08-09 17:38:49,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (1/1) ... [2019-08-09 17:38:49,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (1/1) ... [2019-08-09 17:38:49,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (1/1) ... [2019-08-09 17:38:49,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (1/1) ... [2019-08-09 17:38:49,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (1/1) ... [2019-08-09 17:38:49,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:38:49,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:38:49,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:38:49,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:38:49,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:38:49" (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 [2019-08-09 17:38:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:38:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:38:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:38:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:38:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:38:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:38:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:38:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:38:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:38:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:38:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:38:51,138 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:38:51,139 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:38:51,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:51 BoogieIcfgContainer [2019-08-09 17:38:51,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:38:51,141 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:38:51,141 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:38:51,141 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:38:51,142 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:38:51" (1/1) ... [2019-08-09 17:39:11,235 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 17:39:11,241 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 17:39:11,244 INFO L168 Benchmark]: Toolchain (without parser) took 22490.23 ms. Allocated memory was 133.7 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 84.3 MB in the beginning and 1.0 GB in the end (delta: -937.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 17:39:11,245 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 133.7 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 17:39:11,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.54 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 84.1 MB in the beginning and 167.8 MB in the end (delta: -83.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:11,247 INFO L168 Benchmark]: Boogie Preprocessor took 119.65 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 163.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:11,248 INFO L168 Benchmark]: RCFGBuilder took 1437.63 ms. Allocated memory was 201.9 MB in the beginning and 224.9 MB in the end (delta: 23.1 MB). Free memory was 163.1 MB in the beginning and 182.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. [2019-08-09 17:39:11,249 INFO L168 Benchmark]: Symbolic Interpretation took 20100.45 ms. Allocated memory was 224.9 MB in the beginning and 1.2 GB in the end (delta: 958.9 MB). Free memory was 182.4 MB in the beginning and 1.0 GB in the end (delta: -839.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 17:39:11,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 190]: 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. Predicate is 163272#(and (= ~a10~0 3) (< 218 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 133.7 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.54 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 84.1 MB in the beginning and 167.8 MB in the end (delta: -83.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.65 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 163.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1437.63 ms. Allocated memory was 201.9 MB in the beginning and 224.9 MB in the end (delta: 23.1 MB). Free memory was 163.1 MB in the beginning and 182.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 93.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20100.45 ms. Allocated memory was 224.9 MB in the beginning and 1.2 GB in the end (delta: 958.9 MB). Free memory was 182.4 MB in the beginning and 1.0 GB in the end (delta: -839.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...