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/Problem06_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:58:09,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:58:09,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:58:09,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:58:09,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:58:09,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:58:09,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:58:09,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:58:09,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:58:09,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:58:09,661 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:58:09,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:58:09,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:58:09,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:58:09,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:58:09,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:58:09,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:58:09,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:58:09,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:58:09,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:58:09,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:58:09,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:58:09,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:58:09,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:58:09,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:58:09,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:58:09,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:58:09,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:58:09,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:58:09,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:58:09,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:58:09,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:58:09,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:58:09,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:58:09,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:58:09,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:58:09,689 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 16:58:09,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:58:09,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:58:09,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:58:09,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:58:09,711 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:58:09,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:58:09,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:58:09,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:58:09,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:58:09,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:58:09,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:58:09,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:58:09,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:58:09,715 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:58:09,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:58:09,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:58:09,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:58:09,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:58:09,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:58:09,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:58:09,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:58:09,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:58:09,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:58:09,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:58:09,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:58:09,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:58:09,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:58:09,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:58:09,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:58:09,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:58:09,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:58:09,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:58:09,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:58:09,798 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:58:09,799 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label30.c [2019-08-09 16:58:09,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463c8496d/f2caf1b253034ae3b43a67d5b9e41ff6/FLAG3c727b144 [2019-08-09 16:58:10,780 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:58:10,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label30.c [2019-08-09 16:58:10,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463c8496d/f2caf1b253034ae3b43a67d5b9e41ff6/FLAG3c727b144 [2019-08-09 16:58:11,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463c8496d/f2caf1b253034ae3b43a67d5b9e41ff6 [2019-08-09 16:58:11,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:58:11,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:58:11,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:11,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:58:11,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:58:11,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:11" (1/1) ... [2019-08-09 16:58:11,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56db914a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:11, skipping insertion in model container [2019-08-09 16:58:11,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:58:11" (1/1) ... [2019-08-09 16:58:11,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:58:11,413 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:58:13,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:13,708 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:58:14,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:58:14,932 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:58:14,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14 WrapperNode [2019-08-09 16:58:14,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:58:14,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:58:14,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:58:14,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:58:14,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:14,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:15,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:15,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:15,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:15,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:15,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (1/1) ... [2019-08-09 16:58:15,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:58:15,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:58:15,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:58:15,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:58:15,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:58:14" (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 16:58:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:58:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:58:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:58:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 16:58:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 16:58:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 16:58:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-09 16:58:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:58:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:58:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 16:58:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 16:58:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 16:58:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-09 16:58:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:58:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:58:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:58:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:58:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:58:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:58:22,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:58:22,376 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:58:22,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:58:22 BoogieIcfgContainer [2019-08-09 16:58:22,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:58:22,379 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:58:22,379 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:58:22,379 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:58:22,380 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:58:22" (1/1) ... [2019-08-09 16:58:29,699 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:58:29,707 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:58:29,709 INFO L168 Benchmark]: Toolchain (without parser) took 18527.62 ms. Allocated memory was 170.9 MB in the beginning and 792.2 MB in the end (delta: 621.3 MB). Free memory was 139.4 MB in the beginning and 607.0 MB in the end (delta: -467.6 MB). Peak memory consumption was 640.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:29,710 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:58:29,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3749.05 ms. Allocated memory was 170.9 MB in the beginning and 311.4 MB in the end (delta: 140.5 MB). Free memory was 139.4 MB in the beginning and 223.0 MB in the end (delta: -83.5 MB). Peak memory consumption was 199.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:29,713 INFO L168 Benchmark]: Boogie Preprocessor took 354.70 ms. Allocated memory is still 311.4 MB. Free memory was 223.0 MB in the beginning and 170.4 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:29,714 INFO L168 Benchmark]: RCFGBuilder took 7089.01 ms. Allocated memory was 311.4 MB in the beginning and 547.4 MB in the end (delta: 235.9 MB). Free memory was 170.4 MB in the beginning and 234.8 MB in the end (delta: -64.4 MB). Peak memory consumption was 290.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:29,715 INFO L168 Benchmark]: Symbolic Interpretation took 7328.04 ms. Allocated memory was 547.4 MB in the beginning and 792.2 MB in the end (delta: 244.8 MB). Free memory was 234.6 MB in the beginning and 607.0 MB in the end (delta: -372.4 MB). Peak memory consumption was 358.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:58:29,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9372]: 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 120063#(and (= 12 ~a3~0) (= ~a10~0 1) (= ~a27~0 19) (= ~a14~0 4) (= 1 ~a2~0) (not (= ~a25~0 1)) (= ~a26~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3749.05 ms. Allocated memory was 170.9 MB in the beginning and 311.4 MB in the end (delta: 140.5 MB). Free memory was 139.4 MB in the beginning and 223.0 MB in the end (delta: -83.5 MB). Peak memory consumption was 199.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 354.70 ms. Allocated memory is still 311.4 MB. Free memory was 223.0 MB in the beginning and 170.4 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7089.01 ms. Allocated memory was 311.4 MB in the beginning and 547.4 MB in the end (delta: 235.9 MB). Free memory was 170.4 MB in the beginning and 234.8 MB in the end (delta: -64.4 MB). Peak memory consumption was 290.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7328.04 ms. Allocated memory was 547.4 MB in the beginning and 792.2 MB in the end (delta: 244.8 MB). Free memory was 234.6 MB in the beginning and 607.0 MB in the end (delta: -372.4 MB). Peak memory consumption was 358.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...