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-f3d0b09 [2019-08-08 09:58:51,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:58:51,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:58:51,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:58:51,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:58:51,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:58:51,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:58:51,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:58:51,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:58:51,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:58:51,733 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:58:51,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:58:51,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:58:51,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:58:51,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:58:51,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:58:51,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:58:51,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:58:51,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:58:51,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:58:51,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:58:51,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:58:51,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:58:51,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:58:51,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 09:58:51,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:58:51,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:58:51,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:58:51,762 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 [2019-08-08 09:58:51,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:58:51,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:58:51,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:58:51,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:58:51,789 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:58:51,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:58:51,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:58:51,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:58:51,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:58:51,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:58:51,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:58:51,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:58:51,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:58:51,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:58:51,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:58:51,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:58:51,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:58:51,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:58:51,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:58:51,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:58:51,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:58:51,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:58:51,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:58:51,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:58:51,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:58:51,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:58:51,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:58:51,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:58:51,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:58:51,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:58:51,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:58:51,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:58:51,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:58:51,872 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:58:51,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label04.c [2019-08-08 09:58:51,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dcdf11f/9ee6b7d5fce040df8bfad1123a081148/FLAG283822836 [2019-08-08 09:58:52,469 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:58:52,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label04.c [2019-08-08 09:58:52,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dcdf11f/9ee6b7d5fce040df8bfad1123a081148/FLAG283822836 [2019-08-08 09:58:52,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dcdf11f/9ee6b7d5fce040df8bfad1123a081148 [2019-08-08 09:58:52,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:58:52,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:58:52,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:58:52,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:58:52,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:58:52,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:58:52" (1/1) ... [2019-08-08 09:58:52,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71457a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:52, skipping insertion in model container [2019-08-08 09:58:52,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:58:52" (1/1) ... [2019-08-08 09:58:52,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:58:52,852 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:58:53,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:58:53,395 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:58:53,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:58:53,547 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:58:53,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53 WrapperNode [2019-08-08 09:58:53,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:58:53,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:58:53,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:58:53,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:58:53,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (1/1) ... [2019-08-08 09:58:53,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:58:53,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:58:53,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:58:53,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:58:53,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:58:53" (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 [2019-08-08 09:58:53,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:58:53,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:58:53,712 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 09:58:53,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:58:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 09:58:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:58:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:58:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 09:58:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:58:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:58:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:58:56,650 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:58:56,651 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:58:56,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:58:56 BoogieIcfgContainer [2019-08-08 09:58:56,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:58:56,653 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:58:56,653 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:58:56,654 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:58:56,655 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:58:56" (1/1) ... [2019-08-08 09:58:56,668 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:58:56,671 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:58:56,680 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:58:56,689 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:58:56,691 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:58:56,757 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 66 [2019-08-08 09:58:58,343 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 19 [2019-08-08 09:58:58,536 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 09:58:58,537 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 09:58:58,540 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 28428#(and (= 1 ~a7~0) (= 13 ~a8~0) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (not (= ~a17~0 1)) (= ~a16~0 6)) [2019-08-08 09:58:58,542 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 09:58:58,549 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 09:58:58,552 INFO L168 Benchmark]: Toolchain (without parser) took 5769.04 ms. Allocated memory was 140.5 MB in the beginning and 331.4 MB in the end (delta: 190.8 MB). Free memory was 86.6 MB in the beginning and 235.8 MB in the end (delta: -149.1 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:58,554 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 09:58:58,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.91 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 86.4 MB in the beginning and 168.9 MB in the end (delta: -82.4 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:58,557 INFO L168 Benchmark]: Boogie Preprocessor took 103.60 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 163.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:58,559 INFO L168 Benchmark]: RCFGBuilder took 3000.45 ms. Allocated memory was 203.4 MB in the beginning and 229.1 MB in the end (delta: 25.7 MB). Free memory was 163.7 MB in the beginning and 179.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:58,560 INFO L168 Benchmark]: Symbolic Interpretation took 1896.55 ms. Allocated memory was 229.1 MB in the beginning and 331.4 MB in the end (delta: 102.2 MB). Free memory was 179.8 MB in the beginning and 235.8 MB in the end (delta: -55.9 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2019-08-08 09:58:58,570 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.91 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 86.4 MB in the beginning and 168.9 MB in the end (delta: -82.4 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.60 ms. Allocated memory is still 203.4 MB. Free memory was 168.9 MB in the beginning and 163.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3000.45 ms. Allocated memory was 203.4 MB in the beginning and 229.1 MB in the end (delta: 25.7 MB). Free memory was 163.7 MB in the beginning and 179.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1896.55 ms. Allocated memory was 229.1 MB in the beginning and 331.4 MB in the end (delta: 102.2 MB). Free memory was 179.8 MB in the beginning and 235.8 MB in the end (delta: -55.9 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...