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/Problem04_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:06:11,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:06:11,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:06:11,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:06:11,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:06:11,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:06:11,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:06:11,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:06:11,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:06:11,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:06:11,834 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:06:11,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:06:11,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:06:11,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:06:11,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:06:11,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:06:11,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:06:11,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:06:11,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:06:11,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:06:11,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:06:11,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:06:11,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:06:11,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:06:11,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 11:06:11,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 11:06:11,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 11:06:11,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 11:06:11,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 11:06:11,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 11:06:11,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:06:11,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:06:11,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:06:11,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:06:11,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:06:11,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:06:11,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:06:11,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:06:11,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:06:11,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:06:11,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:06:11,861 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 11:06:11,884 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:06:11,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:06:11,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:06:11,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:06:11,887 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:06:11,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:06:11,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:06:11,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:06:11,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:06:11,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:06:11,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:06:11,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:06:11,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:06:11,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:06:11,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:06:11,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:06:11,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:06:11,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:06:11,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:06:11,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:06:11,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:06:11,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:06:11,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:06:11,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:06:11,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:06:11,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:06:11,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:06:11,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:06:11,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:06:11,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:06:11,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:06:11,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:06:11,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:06:11,943 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:06:11,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label55.c [2019-08-14 11:06:12,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a92e0e42/7ddfc43e43ff44e88ea5514adbb02a22/FLAGdbdc2337c [2019-08-14 11:06:12,814 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:06:12,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label55.c [2019-08-14 11:06:12,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a92e0e42/7ddfc43e43ff44e88ea5514adbb02a22/FLAGdbdc2337c [2019-08-14 11:06:12,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a92e0e42/7ddfc43e43ff44e88ea5514adbb02a22 [2019-08-14 11:06:12,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:06:12,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:06:12,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:06:12,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:06:12,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:06:12,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:06:12" (1/1) ... [2019-08-14 11:06:12,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7046d331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:12, skipping insertion in model container [2019-08-14 11:06:12,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:06:12" (1/1) ... [2019-08-14 11:06:12,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:06:13,112 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:06:14,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:06:14,468 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:06:15,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:06:15,160 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:06:15,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15 WrapperNode [2019-08-14 11:06:15,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:06:15,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:06:15,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:06:15,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:06:15,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:06:15,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:06:15,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:06:15,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:06:15,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (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 11:06:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:06:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:06:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:06:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:06:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:06:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:06:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:06:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:06:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:06:20,442 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:06:20,442 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:06:20,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:20 BoogieIcfgContainer [2019-08-14 11:06:20,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:06:20,447 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:06:20,447 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:06:20,447 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:06:20,448 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:20" (1/1) ... [2019-08-14 11:06:25,700 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:06:25,703 INFO L168 Benchmark]: Toolchain (without parser) took 12775.52 ms. Allocated memory was 132.1 MB in the beginning and 629.7 MB in the end (delta: 497.5 MB). Free memory was 71.7 MB in the beginning and 348.0 MB in the end (delta: -276.3 MB). Peak memory consumption was 473.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:25,705 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:06:25,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2232.37 ms. Allocated memory was 132.1 MB in the beginning and 272.1 MB in the end (delta: 140.0 MB). Free memory was 71.5 MB in the beginning and 194.9 MB in the end (delta: -123.4 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:25,708 INFO L168 Benchmark]: Boogie Preprocessor took 265.78 ms. Allocated memory is still 272.1 MB. Free memory was 194.9 MB in the beginning and 166.0 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:25,709 INFO L168 Benchmark]: RCFGBuilder took 5017.54 ms. Allocated memory was 272.1 MB in the beginning and 379.6 MB in the end (delta: 107.5 MB). Free memory was 166.0 MB in the beginning and 92.7 MB in the end (delta: 73.3 MB). Peak memory consumption was 219.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:25,711 INFO L168 Benchmark]: Symbolic Interpretation took 5253.41 ms. Allocated memory was 379.6 MB in the beginning and 629.7 MB in the end (delta: 250.1 MB). Free memory was 88.4 MB in the beginning and 348.0 MB in the end (delta: -259.6 MB). Peak memory consumption was 242.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:25,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4679]: 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 65464#(and (= ~a14~0 18) (= 1 ~a1~0) (= 1 ~a7~0) (= ~a26~0 19) (= 1 ~a3~0) (= ~a25~0 1) (= ~a28~0 15) (= 17 ~a4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2232.37 ms. Allocated memory was 132.1 MB in the beginning and 272.1 MB in the end (delta: 140.0 MB). Free memory was 71.5 MB in the beginning and 194.9 MB in the end (delta: -123.4 MB). Peak memory consumption was 109.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 265.78 ms. Allocated memory is still 272.1 MB. Free memory was 194.9 MB in the beginning and 166.0 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5017.54 ms. Allocated memory was 272.1 MB in the beginning and 379.6 MB in the end (delta: 107.5 MB). Free memory was 166.0 MB in the beginning and 92.7 MB in the end (delta: 73.3 MB). Peak memory consumption was 219.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5253.41 ms. Allocated memory was 379.6 MB in the beginning and 629.7 MB in the end (delta: 250.1 MB). Free memory was 88.4 MB in the beginning and 348.0 MB in the end (delta: -259.6 MB). Peak memory consumption was 242.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...