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_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:47:33,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:47:33,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:47:33,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:47:33,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:47:33,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:47:33,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:47:33,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:47:33,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:47:33,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:47:33,885 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:47:33,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:47:33,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:47:33,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:47:33,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:47:33,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:47:33,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:47:33,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:47:33,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:47:33,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:47:33,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:47:33,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:47:33,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:47:33,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:47:33,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:47:33,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:47:33,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:47:33,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:47:33,912 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 16:47:33,926 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:47:33,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:47:33,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:47:33,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:47:33,928 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:47:33,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:47:33,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:47:33,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:47:33,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:47:33,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:47:33,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:47:33,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:47:33,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:47:33,930 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:47:33,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:47:33,931 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:47:33,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:47:33,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:47:33,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:47:33,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:47:33,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:47:33,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:47:33,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:47:33,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:47:33,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:47:33,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:47:33,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:47:33,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:47:33,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:47:33,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:47:33,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:47:33,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:47:33,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:47:33,993 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:47:33,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label04.c [2019-08-09 16:47:34,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f9427d1/982c104cebbc4f1c86cfcc38e14905f1/FLAGb9a5edfd1 [2019-08-09 16:47:34,668 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:47:34,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label04.c [2019-08-09 16:47:34,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f9427d1/982c104cebbc4f1c86cfcc38e14905f1/FLAGb9a5edfd1 [2019-08-09 16:47:34,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50f9427d1/982c104cebbc4f1c86cfcc38e14905f1 [2019-08-09 16:47:34,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:47:34,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:47:34,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:34,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:47:34,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:47:34,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:34" (1/1) ... [2019-08-09 16:47:34,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c0bc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:34, skipping insertion in model container [2019-08-09 16:47:34,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:34" (1/1) ... [2019-08-09 16:47:34,945 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:47:34,993 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:47:35,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:35,455 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:47:35,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:35,717 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:47:35,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35 WrapperNode [2019-08-09 16:47:35,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:35,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:47:35,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:47:35,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:47:35,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (1/1) ... [2019-08-09 16:47:35,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (1/1) ... [2019-08-09 16:47:35,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (1/1) ... [2019-08-09 16:47:35,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (1/1) ... [2019-08-09 16:47:35,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (1/1) ... [2019-08-09 16:47:35,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (1/1) ... [2019-08-09 16:47:35,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (1/1) ... [2019-08-09 16:47:35,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:47:35,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:47:35,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:47:35,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:47:35,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:35" (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 16:47:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:47:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:47:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:47:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:47:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:47:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:47:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:47:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:47:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:47:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:47:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:47:37,074 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:47:37,074 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:47:37,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:47:37 BoogieIcfgContainer [2019-08-09 16:47:37,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:47:37,079 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:47:37,079 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:47:37,079 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:47:37,081 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:47:37" (1/1) ... [2019-08-09 16:47:38,696 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:47:38,706 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:47:38,709 INFO L168 Benchmark]: Toolchain (without parser) took 3779.14 ms. Allocated memory was 131.6 MB in the beginning and 271.1 MB in the end (delta: 139.5 MB). Free memory was 85.3 MB in the beginning and 95.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 147.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:38,710 INFO L168 Benchmark]: CDTParser took 0.50 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: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:47:38,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.00 ms. Allocated memory was 131.6 MB in the beginning and 202.9 MB in the end (delta: 71.3 MB). Free memory was 85.1 MB in the beginning and 167.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:38,713 INFO L168 Benchmark]: Boogie Preprocessor took 115.82 ms. Allocated memory is still 202.9 MB. Free memory was 167.4 MB in the beginning and 162.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:38,714 INFO L168 Benchmark]: RCFGBuilder took 1242.80 ms. Allocated memory was 202.9 MB in the beginning and 224.9 MB in the end (delta: 22.0 MB). Free memory was 162.0 MB in the beginning and 178.4 MB in the end (delta: -16.4 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:38,715 INFO L168 Benchmark]: Symbolic Interpretation took 1627.34 ms. Allocated memory was 224.9 MB in the beginning and 271.1 MB in the end (delta: 46.1 MB). Free memory was 178.4 MB in the beginning and 95.6 MB in the end (delta: 82.8 MB). Peak memory consumption was 147.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:47:38,720 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 464]: 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 28568#(and (= 1 ~a7~0) (= 13 ~a8~0) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (not (= ~a17~0 1)) (= ~a16~0 6)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.00 ms. Allocated memory was 131.6 MB in the beginning and 202.9 MB in the end (delta: 71.3 MB). Free memory was 85.1 MB in the beginning and 167.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.82 ms. Allocated memory is still 202.9 MB. Free memory was 167.4 MB in the beginning and 162.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1242.80 ms. Allocated memory was 202.9 MB in the beginning and 224.9 MB in the end (delta: 22.0 MB). Free memory was 162.0 MB in the beginning and 178.4 MB in the end (delta: -16.4 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1627.34 ms. Allocated memory was 224.9 MB in the beginning and 271.1 MB in the end (delta: 46.1 MB). Free memory was 178.4 MB in the beginning and 95.6 MB in the end (delta: 82.8 MB). Peak memory consumption was 147.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...