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_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:48:32,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:48:32,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:48:32,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:48:32,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:48:32,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:48:32,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:48:32,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:48:32,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:48:32,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:48:32,664 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:48:32,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:48:32,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:48:32,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:48:32,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:48:32,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:48:32,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:48:32,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:48:32,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:48:32,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:48:32,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:48:32,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:48:32,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:48:32,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:48:32,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 16:48:32,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 16:48:32,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 16:48:32,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 16:48:32,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 16:48:32,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 16:48:32,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:48:32,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:48:32,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:48:32,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:48:32,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:48:32,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:48:32,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:48:32,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:48:32,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:48:32,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:48:32,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:48:32,711 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 16:48:32,729 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:48:32,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:48:32,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:48:32,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:48:32,731 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:48:32,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:48:32,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:48:32,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:48:32,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:48:32,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:48:32,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:48:32,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:48:32,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:48:32,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:48:32,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:48:32,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:48:32,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:48:32,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:48:32,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:48:32,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:48:32,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:48:32,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:48:32,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:48:32,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:48:32,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:48:32,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:48:32,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:48:32,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:48:32,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:48:32,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:48:32,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:48:32,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:48:32,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:48:32,783 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:48:32,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2019-08-09 16:48:32,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b681f65e3/c030764a8d1c47f88ebe347032c29c50/FLAG92b5cae98 [2019-08-09 16:48:33,459 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:48:33,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label27.c [2019-08-09 16:48:33,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b681f65e3/c030764a8d1c47f88ebe347032c29c50/FLAG92b5cae98 [2019-08-09 16:48:33,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b681f65e3/c030764a8d1c47f88ebe347032c29c50 [2019-08-09 16:48:33,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:48:33,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:48:33,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:48:33,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:48:33,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:48:33,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:48:33" (1/1) ... [2019-08-09 16:48:33,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adb8793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:33, skipping insertion in model container [2019-08-09 16:48:33,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:48:33" (1/1) ... [2019-08-09 16:48:33,712 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:48:33,774 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:48:34,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:48:34,314 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:48:34,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:48:34,546 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:48:34,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34 WrapperNode [2019-08-09 16:48:34,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:48:34,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:48:34,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:48:34,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:48:34,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (1/1) ... [2019-08-09 16:48:34,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (1/1) ... [2019-08-09 16:48:34,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (1/1) ... [2019-08-09 16:48:34,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (1/1) ... [2019-08-09 16:48:34,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (1/1) ... [2019-08-09 16:48:34,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (1/1) ... [2019-08-09 16:48:34,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (1/1) ... [2019-08-09 16:48:34,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:48:34,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:48:34,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:48:34,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:48:34,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:48:34" (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 16:48:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:48:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:48:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:48:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:48:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:48:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:48:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:48:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:48:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:48:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:48:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:48:35,932 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:48:35,932 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:48:35,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:35 BoogieIcfgContainer [2019-08-09 16:48:35,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:48:35,939 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:48:35,939 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:48:35,939 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:48:35,940 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:35" (1/1) ... [2019-08-09 16:48:37,614 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:48:37,623 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:48:37,626 INFO L168 Benchmark]: Toolchain (without parser) took 3930.10 ms. Allocated memory was 131.1 MB in the beginning and 274.7 MB in the end (delta: 143.7 MB). Free memory was 85.6 MB in the beginning and 123.1 MB in the end (delta: -37.5 MB). Peak memory consumption was 153.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:37,627 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:48:37,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.53 ms. Allocated memory was 131.1 MB in the beginning and 202.4 MB in the end (delta: 71.3 MB). Free memory was 85.4 MB in the beginning and 167.0 MB in the end (delta: -81.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:37,630 INFO L168 Benchmark]: Boogie Preprocessor took 132.84 ms. Allocated memory is still 202.4 MB. Free memory was 167.0 MB in the beginning and 162.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:37,631 INFO L168 Benchmark]: RCFGBuilder took 1256.95 ms. Allocated memory was 202.4 MB in the beginning and 222.8 MB in the end (delta: 20.4 MB). Free memory was 162.0 MB in the beginning and 178.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:37,632 INFO L168 Benchmark]: Symbolic Interpretation took 1684.55 ms. Allocated memory was 222.8 MB in the beginning and 274.7 MB in the end (delta: 51.9 MB). Free memory was 178.9 MB in the beginning and 123.1 MB in the end (delta: 55.7 MB). Peak memory consumption was 155.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:37,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 440]: 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 27129#(and (= 1 ~a7~0) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= 15 ~a8~0) (not (= ~a17~0 1)) (= ~a16~0 5)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 851.53 ms. Allocated memory was 131.1 MB in the beginning and 202.4 MB in the end (delta: 71.3 MB). Free memory was 85.4 MB in the beginning and 167.0 MB in the end (delta: -81.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.84 ms. Allocated memory is still 202.4 MB. Free memory was 167.0 MB in the beginning and 162.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1256.95 ms. Allocated memory was 202.4 MB in the beginning and 222.8 MB in the end (delta: 20.4 MB). Free memory was 162.0 MB in the beginning and 178.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1684.55 ms. Allocated memory was 222.8 MB in the beginning and 274.7 MB in the end (delta: 51.9 MB). Free memory was 178.9 MB in the beginning and 123.1 MB in the end (delta: 55.7 MB). Peak memory consumption was 155.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...