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/Problem14_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:39:37,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:39:37,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:39:37,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:39:37,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:39:37,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:39:37,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:39:37,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:39:37,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:39:37,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:39:37,793 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:39:37,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:39:37,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:39:37,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:39:37,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:39:37,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:39:37,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:39:37,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:39:37,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:39:37,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:39:37,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:39:37,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:39:37,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:39:37,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:39:37,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 20:39:37,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 20:39:37,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 20:39:37,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 20:39:37,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 20:39:37,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 20:39:37,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:39:37,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:39:37,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:39:37,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:39:37,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:39:37,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:39:37,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:39:37,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:39:37,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:39:37,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:39:37,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:39:37,819 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 20:39:37,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:39:37,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:39:37,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:39:37,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:39:37,835 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:39:37,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:39:37,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:39:37,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:39:37,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:39:37,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:39:37,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:39:37,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:39:37,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:39:37,837 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:39:37,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:39:37,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:39:37,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:39:37,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:39:37,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:39:37,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:39:37,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:39:37,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:39:37,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:39:37,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:39:37,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:39:37,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:39:37,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:39:37,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:39:37,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:39:37,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:39:37,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:39:37,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:39:37,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:39:37,908 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:39:37,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label32.c [2019-08-09 20:39:37,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e06da9e/1911443d228d4924bdb876fbd02e58c5/FLAG7c66b9066 [2019-08-09 20:39:38,546 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:39:38,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label32.c [2019-08-09 20:39:38,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e06da9e/1911443d228d4924bdb876fbd02e58c5/FLAG7c66b9066 [2019-08-09 20:39:38,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e06da9e/1911443d228d4924bdb876fbd02e58c5 [2019-08-09 20:39:38,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:39:38,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:39:38,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:39:38,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:39:38,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:39:38,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:39:38" (1/1) ... [2019-08-09 20:39:38,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff8bbd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:38, skipping insertion in model container [2019-08-09 20:39:38,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:39:38" (1/1) ... [2019-08-09 20:39:38,817 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:39:38,879 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:39:39,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:39:39,421 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:39:39,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:39:39,601 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:39:39,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39 WrapperNode [2019-08-09 20:39:39,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:39:39,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:39:39,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:39:39,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:39:39,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (1/1) ... [2019-08-09 20:39:39,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (1/1) ... [2019-08-09 20:39:39,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (1/1) ... [2019-08-09 20:39:39,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (1/1) ... [2019-08-09 20:39:39,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (1/1) ... [2019-08-09 20:39:39,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (1/1) ... [2019-08-09 20:39:39,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (1/1) ... [2019-08-09 20:39:39,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:39:39,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:39:39,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:39:39,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:39:39,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:39:39" (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 20:39:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:39:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:39:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:39:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:39:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:39:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:39:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:39:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:39:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:39:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:39:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:39:41,352 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:39:41,353 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:39:41,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:39:41 BoogieIcfgContainer [2019-08-09 20:39:41,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:39:41,355 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:39:41,355 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:39:41,355 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:39:41,356 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:39:41" (1/1) ... [2019-08-09 20:39:56,819 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:39:56,827 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:39:56,830 INFO L168 Benchmark]: Toolchain (without parser) took 18026.80 ms. Allocated memory was 138.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 83.0 MB in the beginning and 665.2 MB in the end (delta: -582.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-08-09 20:39:56,831 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 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 20:39:56,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.65 ms. Allocated memory was 138.9 MB in the beginning and 207.6 MB in the end (delta: 68.7 MB). Free memory was 82.8 MB in the beginning and 176.0 MB in the end (delta: -93.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-08-09 20:39:56,833 INFO L168 Benchmark]: Boogie Preprocessor took 158.42 ms. Allocated memory is still 207.6 MB. Free memory was 176.0 MB in the beginning and 171.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 20:39:56,834 INFO L168 Benchmark]: RCFGBuilder took 1593.90 ms. Allocated memory was 207.6 MB in the beginning and 289.4 MB in the end (delta: 81.8 MB). Free memory was 171.0 MB in the beginning and 249.1 MB in the end (delta: -78.1 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. [2019-08-09 20:39:56,835 INFO L168 Benchmark]: Symbolic Interpretation took 15472.34 ms. Allocated memory was 289.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 249.1 MB in the beginning and 665.2 MB in the end (delta: -416.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-08-09 20:39:56,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 169]: 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 409490#(and (<= ~a12~0 80) (< 11 ~a12~0) (= ~a24~0 1) (= ~a15~0 6) (= ~a21~0 9)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 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 798.65 ms. Allocated memory was 138.9 MB in the beginning and 207.6 MB in the end (delta: 68.7 MB). Free memory was 82.8 MB in the beginning and 176.0 MB in the end (delta: -93.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.42 ms. Allocated memory is still 207.6 MB. Free memory was 176.0 MB in the beginning and 171.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1593.90 ms. Allocated memory was 207.6 MB in the beginning and 289.4 MB in the end (delta: 81.8 MB). Free memory was 171.0 MB in the beginning and 249.1 MB in the end (delta: -78.1 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15472.34 ms. Allocated memory was 289.4 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 249.1 MB in the beginning and 665.2 MB in the end (delta: -416.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...