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/Problem02_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:02:25,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:02:25,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:02:25,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:02:25,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:02:25,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:02:25,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:02:25,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:02:25,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:02:25,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:02:25,807 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:02:25,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:02:25,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:02:25,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:02:25,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:02:25,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:02:25,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:02:25,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:02:25,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:02:25,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:02:25,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:02:25,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:02:25,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:02:25,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:02:25,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:02:25,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:02:25,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:02:25,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:02:25,832 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 11:02:25,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:02:25,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:02:25,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:02:25,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:02:25,848 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:02:25,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:02:25,848 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:02:25,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:02:25,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:02:25,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:02:25,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:02:25,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:02:25,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:02:25,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:02:25,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:02:25,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:02:25,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:02:25,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:02:25,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:02:25,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:02:25,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:02:25,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:02:25,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:02:25,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:02:25,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:02:25,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:02:25,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:02:25,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:02:25,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:02:25,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:02:25,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:02:25,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:02:25,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:02:25,901 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:02:25,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2019-08-14 11:02:25,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1e2b609/e460d55c24f2419e8f2b8c4e952cbbaa/FLAG9ebf912ef [2019-08-14 11:02:26,526 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:02:26,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label43.c [2019-08-14 11:02:26,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1e2b609/e460d55c24f2419e8f2b8c4e952cbbaa/FLAG9ebf912ef [2019-08-14 11:02:26,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec1e2b609/e460d55c24f2419e8f2b8c4e952cbbaa [2019-08-14 11:02:26,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:02:26,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:02:26,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:26,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:02:26,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:02:26,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:26" (1/1) ... [2019-08-14 11:02:26,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c438e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:26, skipping insertion in model container [2019-08-14 11:02:26,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:02:26" (1/1) ... [2019-08-14 11:02:26,827 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:02:26,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:02:27,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:27,511 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:02:27,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:02:27,629 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:02:27,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27 WrapperNode [2019-08-14 11:02:27,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:02:27,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:02:27,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:02:27,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:02:27,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (1/1) ... [2019-08-14 11:02:27,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:02:27,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:02:27,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:02:27,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:02:27,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:02:27" (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 11:02:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:02:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:02:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:02:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:02:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:02:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:02:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:02:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:02:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:02:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:02:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:02:28,928 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:02:28,928 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:02:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:28 BoogieIcfgContainer [2019-08-14 11:02:28,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:02:28,931 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:02:28,931 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:02:28,931 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:02:28,932 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:02:28" (1/1) ... [2019-08-14 11:02:29,858 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:02:29,864 INFO L168 Benchmark]: Toolchain (without parser) took 3050.43 ms. Allocated memory was 138.9 MB in the beginning and 270.0 MB in the end (delta: 131.1 MB). Free memory was 84.7 MB in the beginning and 193.0 MB in the end (delta: -108.2 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:29,866 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 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 11:02:29,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.09 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 84.5 MB in the beginning and 168.2 MB in the end (delta: -83.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:29,870 INFO L168 Benchmark]: Boogie Preprocessor took 102.96 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 163.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:29,873 INFO L168 Benchmark]: RCFGBuilder took 1196.19 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 163.5 MB in the beginning and 181.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:29,874 INFO L168 Benchmark]: Symbolic Interpretation took 928.21 ms. Allocated memory was 225.4 MB in the beginning and 270.0 MB in the end (delta: 44.6 MB). Free memory was 181.8 MB in the beginning and 193.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:02:29,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 427]: 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 10663#(and (= ~a28~0 9) (= ~a19~0 1) (= ~a17~0 8) (= ~a21~0 1) (= ~a11~0 1) (= ~a25~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 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 819.09 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 84.5 MB in the beginning and 168.2 MB in the end (delta: -83.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.96 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 163.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1196.19 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 163.5 MB in the beginning and 181.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 93.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 928.21 ms. Allocated memory was 225.4 MB in the beginning and 270.0 MB in the end (delta: 44.6 MB). Free memory was 181.8 MB in the beginning and 193.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...