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_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:09:22,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:09:22,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:09:22,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:09:22,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:09:22,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:09:22,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:09:22,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:09:22,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:09:22,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:09:22,619 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:09:22,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:09:22,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:09:22,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:09:22,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:09:22,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:09:22,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:09:22,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:09:22,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:09:22,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:09:22,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:09:22,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:09:22,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:09:22,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:09:22,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:09:22,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:09:22,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:09:22,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:09:22,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:09:22,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:09:22,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:09:22,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:09:22,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:09:22,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:09:22,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:09:22,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:09:22,656 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 11:09:22,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:09:22,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:09:22,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:09:22,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:09:22,678 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:09:22,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:09:22,679 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:09:22,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:09:22,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:09:22,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:09:22,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:09:22,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:09:22,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:09:22,680 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:09:22,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:09:22,680 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:09:22,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:09:22,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:09:22,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:09:22,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:09:22,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:09:22,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:09:22,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:09:22,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:09:22,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:09:22,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:09:22,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:09:22,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:09:22,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:09:22,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:09:22,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:09:22,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:09:22,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:09:22,736 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:09:22,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label29.c [2019-08-14 11:09:22,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312fe3ca/647a43b3d14c4a03b4b622d1308e4e30/FLAGa414b221d [2019-08-14 11:09:23,696 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:09:23,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem06_label29.c [2019-08-14 11:09:23,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312fe3ca/647a43b3d14c4a03b4b622d1308e4e30/FLAGa414b221d [2019-08-14 11:09:24,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312fe3ca/647a43b3d14c4a03b4b622d1308e4e30 [2019-08-14 11:09:24,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:09:24,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:09:24,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:24,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:09:24,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:09:24,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:24" (1/1) ... [2019-08-14 11:09:24,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1bda70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:24, skipping insertion in model container [2019-08-14 11:09:24,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:09:24" (1/1) ... [2019-08-14 11:09:24,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:09:24,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:09:26,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:26,472 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:09:27,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:09:27,531 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:09:27,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27 WrapperNode [2019-08-14 11:09:27,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:09:27,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:09:27,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:09:27,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:09:27,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (1/1) ... [2019-08-14 11:09:27,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (1/1) ... [2019-08-14 11:09:27,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (1/1) ... [2019-08-14 11:09:27,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (1/1) ... [2019-08-14 11:09:27,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (1/1) ... [2019-08-14 11:09:27,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (1/1) ... [2019-08-14 11:09:28,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (1/1) ... [2019-08-14 11:09:28,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:09:28,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:09:28,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:09:28,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:09:28,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:09:27" (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 11:09:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:09:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:09:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:09:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:09:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:09:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:09:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-08-14 11:09:28,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:09:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:09:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:09:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:09:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:09:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-08-14 11:09:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:09:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:09:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:09:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:09:28,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:09:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:09:36,038 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:09:36,039 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:09:36,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:36 BoogieIcfgContainer [2019-08-14 11:09:36,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:09:36,049 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:09:36,050 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:09:36,050 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:09:36,051 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:09:36" (1/1) ... [2019-08-14 11:09:42,652 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:09:42,655 INFO L168 Benchmark]: Toolchain (without parser) took 18521.19 ms. Allocated memory was 173.0 MB in the beginning and 827.9 MB in the end (delta: 654.8 MB). Free memory was 139.8 MB in the beginning and 183.0 MB in the end (delta: -43.2 MB). Peak memory consumption was 659.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:42,656 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 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. [2019-08-14 11:09:42,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3398.17 ms. Allocated memory was 173.0 MB in the beginning and 288.9 MB in the end (delta: 115.9 MB). Free memory was 139.8 MB in the beginning and 89.8 MB in the end (delta: 50.0 MB). Peak memory consumption was 165.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:42,659 INFO L168 Benchmark]: Boogie Preprocessor took 551.72 ms. Allocated memory was 288.9 MB in the beginning and 294.1 MB in the end (delta: 5.2 MB). Free memory was 89.8 MB in the beginning and 162.9 MB in the end (delta: -73.2 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:42,660 INFO L168 Benchmark]: RCFGBuilder took 7964.00 ms. Allocated memory was 294.1 MB in the beginning and 584.6 MB in the end (delta: 290.5 MB). Free memory was 162.9 MB in the beginning and 165.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 371.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:42,661 INFO L168 Benchmark]: Symbolic Interpretation took 6603.03 ms. Allocated memory was 584.6 MB in the beginning and 827.9 MB in the end (delta: 243.3 MB). Free memory was 165.4 MB in the beginning and 183.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 273.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:09:42,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9342]: 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 118691#(and (= 12 ~a3~0) (= ~a14~0 3) (= ~a10~0 1) (= ~a27~0 19) (= 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 0.51 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 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 3398.17 ms. Allocated memory was 173.0 MB in the beginning and 288.9 MB in the end (delta: 115.9 MB). Free memory was 139.8 MB in the beginning and 89.8 MB in the end (delta: 50.0 MB). Peak memory consumption was 165.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 551.72 ms. Allocated memory was 288.9 MB in the beginning and 294.1 MB in the end (delta: 5.2 MB). Free memory was 89.8 MB in the beginning and 162.9 MB in the end (delta: -73.2 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7964.00 ms. Allocated memory was 294.1 MB in the beginning and 584.6 MB in the end (delta: 290.5 MB). Free memory was 162.9 MB in the beginning and 165.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 371.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6603.03 ms. Allocated memory was 584.6 MB in the beginning and 827.9 MB in the end (delta: 243.3 MB). Free memory was 165.4 MB in the beginning and 183.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 273.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...