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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:50:29,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:50:29,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:50:29,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:50:29,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:50:29,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:50:29,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:50:29,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:50:29,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:50:29,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:50:29,743 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:50:29,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:50:29,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:50:29,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:50:29,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:50:29,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:50:29,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:50:29,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:50:29,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:50:29,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:50:29,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:50:29,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:50:29,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:50:29,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:50:29,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:50:29,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:50:29,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:50:29,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:50:29,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:50:29,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:50:29,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:50:29,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:50:29,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:50:29,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:50:29,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:50:29,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:50:29,770 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 16:50:29,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:50:29,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:50:29,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:50:29,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:50:29,794 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:50:29,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:50:29,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:50:29,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:50:29,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:50:29,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:50:29,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:50:29,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:50:29,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:50:29,797 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:50:29,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:50:29,797 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:50:29,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:50:29,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:50:29,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:50:29,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:50:29,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:50:29,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:50:29,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:50:29,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:50:29,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:50:29,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:50:29,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:50:29,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:50:29,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:50:29,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:50:29,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:50:29,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:50:29,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:50:29,874 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:50:29,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2019-08-09 16:50:29,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590b0da5/4d99e8f587b44937ba8e5be221849b01/FLAG12d7c37b3 [2019-08-09 16:50:30,504 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:50:30,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2019-08-09 16:50:30,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590b0da5/4d99e8f587b44937ba8e5be221849b01/FLAG12d7c37b3 [2019-08-09 16:50:30,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d590b0da5/4d99e8f587b44937ba8e5be221849b01 [2019-08-09 16:50:30,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:50:30,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:50:30,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:50:30,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:50:30,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:50:30,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:50:30" (1/1) ... [2019-08-09 16:50:30,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23878787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:30, skipping insertion in model container [2019-08-09 16:50:30,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:50:30" (1/1) ... [2019-08-09 16:50:30,834 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:50:30,894 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:50:31,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:50:31,432 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:50:31,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:50:31,567 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:50:31,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31 WrapperNode [2019-08-09 16:50:31,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:50:31,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:50:31,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:50:31,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:50:31,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (1/1) ... [2019-08-09 16:50:31,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (1/1) ... [2019-08-09 16:50:31,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (1/1) ... [2019-08-09 16:50:31,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (1/1) ... [2019-08-09 16:50:31,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (1/1) ... [2019-08-09 16:50:31,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (1/1) ... [2019-08-09 16:50:31,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (1/1) ... [2019-08-09 16:50:31,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:50:31,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:50:31,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:50:31,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:50:31,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:50:31" (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 16:50:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:50:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:50:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:50:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:50:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:50:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:50:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:50:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:50:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:50:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:50:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:50:32,939 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:50:32,940 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:50:32,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:50:32 BoogieIcfgContainer [2019-08-09 16:50:32,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:50:32,942 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:50:32,942 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:50:32,943 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:50:32,944 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:50:32" (1/1) ... [2019-08-09 16:50:33,976 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:50:33,985 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:50:33,988 INFO L168 Benchmark]: Toolchain (without parser) took 3174.05 ms. Allocated memory was 133.7 MB in the beginning and 266.3 MB in the end (delta: 132.6 MB). Free memory was 86.6 MB in the beginning and 146.5 MB in the end (delta: -59.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:33,989 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:50:33,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.91 ms. Allocated memory was 133.7 MB in the beginning and 203.4 MB in the end (delta: 69.7 MB). Free memory was 86.4 MB in the beginning and 168.6 MB in the end (delta: -82.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:33,991 INFO L168 Benchmark]: Boogie Preprocessor took 97.93 ms. Allocated memory is still 203.4 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:33,992 INFO L168 Benchmark]: RCFGBuilder took 1275.01 ms. Allocated memory was 203.4 MB in the beginning and 229.1 MB in the end (delta: 25.7 MB). Free memory was 164.0 MB in the beginning and 182.9 MB in the end (delta: -18.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:33,993 INFO L168 Benchmark]: Symbolic Interpretation took 1042.68 ms. Allocated memory was 229.1 MB in the beginning and 266.3 MB in the end (delta: 37.2 MB). Free memory was 182.9 MB in the beginning and 146.5 MB in the end (delta: 36.3 MB). Peak memory consumption was 112.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:50:33,998 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 562]: 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 14350#(and (not (= ~a19~0 1)) (= ~a28~0 10) (= ~a17~0 7) (= ~a25~0 1) (= ~a11~0 1) (= ~a21~0 1)). 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 133.7 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.91 ms. Allocated memory was 133.7 MB in the beginning and 203.4 MB in the end (delta: 69.7 MB). Free memory was 86.4 MB in the beginning and 168.6 MB in the end (delta: -82.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.93 ms. Allocated memory is still 203.4 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1275.01 ms. Allocated memory was 203.4 MB in the beginning and 229.1 MB in the end (delta: 25.7 MB). Free memory was 164.0 MB in the beginning and 182.9 MB in the end (delta: -18.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1042.68 ms. Allocated memory was 229.1 MB in the beginning and 266.3 MB in the end (delta: 37.2 MB). Free memory was 182.9 MB in the beginning and 146.5 MB in the end (delta: 36.3 MB). Peak memory consumption was 112.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...