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/Problem01_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:48:17,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:48:17,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:48:17,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:48:17,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:48:17,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:48:17,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:48:17,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:48:17,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:48:17,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:48:17,815 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:48:17,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:48:17,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:48:17,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:48:17,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:48:17,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:48:17,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:48:17,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:48:17,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:48:17,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:48:17,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:48:17,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:48:17,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:48:17,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:48:17,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:48:17,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:48:17,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:48:17,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:48:17,844 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 16:48:17,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:48:17,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:48:17,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:48:17,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:48:17,861 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:48:17,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:48:17,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:48:17,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:48:17,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:48:17,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:48:17,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:48:17,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:48:17,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:48:17,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:48:17,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:48:17,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:48:17,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:48:17,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:48:17,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:48:17,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:48:17,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:48:17,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:48:17,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:48:17,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:48:17,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:48:17,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:48:17,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:48:17,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:48:17,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:48:17,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:48:17,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:48:17,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:48:17,911 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:48:17,912 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:48:17,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-08-09 16:48:17,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/563058f71/aa281b60363d4eeb86a296f21f087e91/FLAGd13fb4d44 [2019-08-09 16:48:18,541 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:48:18,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label21.c [2019-08-09 16:48:18,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/563058f71/aa281b60363d4eeb86a296f21f087e91/FLAGd13fb4d44 [2019-08-09 16:48:18,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/563058f71/aa281b60363d4eeb86a296f21f087e91 [2019-08-09 16:48:18,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:48:18,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:48:18,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:48:18,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:48:18,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:48:18,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:48:18" (1/1) ... [2019-08-09 16:48:18,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57badc32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:18, skipping insertion in model container [2019-08-09 16:48:18,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:48:18" (1/1) ... [2019-08-09 16:48:18,821 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:48:18,882 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:48:19,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:48:19,346 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:48:19,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:48:19,643 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:48:19,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19 WrapperNode [2019-08-09 16:48:19,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:48:19,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:48:19,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:48:19,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:48:19,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (1/1) ... [2019-08-09 16:48:19,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (1/1) ... [2019-08-09 16:48:19,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (1/1) ... [2019-08-09 16:48:19,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (1/1) ... [2019-08-09 16:48:19,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (1/1) ... [2019-08-09 16:48:19,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (1/1) ... [2019-08-09 16:48:19,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (1/1) ... [2019-08-09 16:48:19,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:48:19,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:48:19,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:48:19,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:48:19,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:19" (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 16:48:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:48:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:48:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:48:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:48:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:48:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:48:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:48:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:48:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:48:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:48:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:48:21,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:48:21,064 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:48:21,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:21 BoogieIcfgContainer [2019-08-09 16:48:21,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:48:21,070 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:48:21,070 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:48:21,070 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:48:21,072 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:21" (1/1) ... [2019-08-09 16:48:22,690 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:48:22,699 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:48:22,703 INFO L168 Benchmark]: Toolchain (without parser) took 3898.18 ms. Allocated memory was 131.6 MB in the beginning and 276.8 MB in the end (delta: 145.2 MB). Free memory was 86.4 MB in the beginning and 132.4 MB in the end (delta: -46.0 MB). Peak memory consumption was 150.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:22,704 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-09 16:48:22,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.46 ms. Allocated memory was 131.6 MB in the beginning and 205.5 MB in the end (delta: 73.9 MB). Free memory was 86.2 MB in the beginning and 174.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:22,706 INFO L168 Benchmark]: Boogie Preprocessor took 107.96 ms. Allocated memory is still 205.5 MB. Free memory was 174.9 MB in the beginning and 169.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:22,709 INFO L168 Benchmark]: RCFGBuilder took 1316.61 ms. Allocated memory was 205.5 MB in the beginning and 226.5 MB in the end (delta: 21.0 MB). Free memory was 169.8 MB in the beginning and 186.5 MB in the end (delta: -16.7 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:22,710 INFO L168 Benchmark]: Symbolic Interpretation took 1629.77 ms. Allocated memory was 226.5 MB in the beginning and 276.8 MB in the end (delta: 50.3 MB). Free memory was 186.5 MB in the beginning and 132.4 MB in the end (delta: 54.1 MB). Peak memory consumption was 156.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:22,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 425]: 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 26647#(and (not (= ~a20~0 1)) (= 1 ~a7~0) (= ~a12~0 8) (= ~a21~0 1) (not (= ~a17~0 1)) (= 14 ~a8~0) (= ~a16~0 5)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 839.46 ms. Allocated memory was 131.6 MB in the beginning and 205.5 MB in the end (delta: 73.9 MB). Free memory was 86.2 MB in the beginning and 174.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.96 ms. Allocated memory is still 205.5 MB. Free memory was 174.9 MB in the beginning and 169.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1316.61 ms. Allocated memory was 205.5 MB in the beginning and 226.5 MB in the end (delta: 21.0 MB). Free memory was 169.8 MB in the beginning and 186.5 MB in the end (delta: -16.7 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1629.77 ms. Allocated memory was 226.5 MB in the beginning and 276.8 MB in the end (delta: 50.3 MB). Free memory was 186.5 MB in the beginning and 132.4 MB in the end (delta: 54.1 MB). Peak memory consumption was 156.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...